Blender mixing is a must to get the gelled consistency. All Pictures Sep 8, 2011 · Alberta Slip 75. 54 : Sep 23, 2017 · The outside glaze is Alberta Slip Rutile Blue GA6-C (you are seeing it on the bare buff body near the bottoms and over the black clay surface on the uppers). I hold the kiln at 1000F for 30 minutes. Especially since the white slip is showing green. 6% rutile is too much in this cone 6 oxidation glaze. It is applied pretty thick on the top. Could add another lever for you to play with in your tests! Oct 3, 2018 · The article above suggests calcining part of the Alberta Slip, I have found that to be unnecessary. The blue develops Jul 11, 2015 · I tried several variations using this glaze and the Alberta Slip glazes. These were all fired in a regular firing sequence without any hold or long cool down. Pages that reference this post in the Digitalfire Reference Library: Rutile, Alberta Slip, Ceramic Rutile, GA6-C - Alberta Slip Floating Blue Cone 6, Alberta Slip, 20 Years of Substitution for Albany Slip, Rutile Blue Glazes, Mechanism, Reactive Glazes Coffee Clay is smooth and easy-to-throw. ) Oct 23, 2023 · After bisque firing the piece was glazed inside using the base GA6-B Alberta Slip amber base. Different than the blues that I have used. Slow cooling and natural cooling make two different colours. At 5% the blue is still strong, even on a buff burning body. 00 Rutile 4. Raw Umber black clay Mar 13, 2021 · Leave it soak for just a short while and you’ll (hopefully) get an oil spot, soak it for a longer X amount of time and the spots will pull down in the glaze causing the hare’s fur effect. All Pictures Alberta Slip Rutile plus Cobalt Carb 5-6. Rutile variegates glaze surfaces. Alberta Slip as-a-base is a better way to make the classic cone 10 celadon, tenmoku, iron crystal and bamboo recipes. rutile, and it also contains a significant amount of iron. 5% Bentonite. Quantity Discounts. The Alberta Slip version has zero cobalt so it is less expensive to make (but it does require the C6DHSC slow-cool firing schedule). This mug has thin walls and was bisque fired to cone 04 (so it had a fairly Jun 18, 2015 · The Alberta Slip Rutile is suppose to be a substitute glaze for a traditional Rutile blue. The base glaze (inside and out) is GA6-D Alberta Slip glaze fired at cone 6 on a buff stoneware. Nov 24, 2014 · A lovely blue glaze that breaks to a golden brown that our community studio loves. Tare. G = Nan’s Blue/Black Slip (not reliable on bisque) 32 Kaolin 43 G-200 Feldspar 20 Redart Clay 5 Dolomite 1% Rutile 1% Cobalt carbonate 2% Bentonite. It was originally developed as an almost-complete base cone 10 glaze (it is feasible to use 'as is' on either green or bisque fired ware The GA6-C recipe has always relied on a 4% rutile addition. These are thin-walled 5 inch cast bowls, each holds about 1 kg. The glaze is made using a blend of roast Good news cone 10 potters! We've gathered more than 15 of our favorite traditional cone 10 glaze recipes in a convenient recipe-card format, perfect for printing and taking to the glaze lab or pottery studio. Outsides are Ravenscrag Floating Blue GR6-M. It produces a well-melted amber/honey base transparent. Alberta Slip Floating Blue, GC6-004 5-6. The outside is 80% Alberta Slip, 20% Frit 3134 and 5% rutile. Mug body has black slip, handle is plain white stoneware. On Plainsman P300 (left) and M350 (right). Absolutely jet-black cone 6 engobe on M340 Alberta Slip Clay (priced per lb. But it also opacifies at higher percentages. So the cobalt tends work well with those glazes since it enriches the blue hue that tends to be there. The PC-20 Rutile Blue is on the left. $3. Alberta Slip: Alberta Slip is a dark slip clay, and we thought this might give a more muted, or jewel-like appearance to some of the glazes. The glaze color will depend in part on the base-glaze recipe, application thickness, kiln at­mosphere, firing temperature and the time it takes to reach that temperature. Feb 14, 2019 - Plainsman Cone 6 Alberta Slip based glaze the fires bright blue but with zero cobalt. Oct 1, 2012. Results: On Mayco’s SW136 Weathered Blue glaze fired to cone 6, I couldn’t see much change with the Alberta Slip other than a slightly higher level of crystallization in the glaze. Fine grained low plasticity cone 10 melting silty clay. Alberta Slip base amber-clear glaze on the outside of a Polar Ice cone 6 mug. Other Names GA6-C Alberta Slip Rutile Blue (Digitalfire) Created 22 Nov 2020 Updated 1 year ago . 33. 00. Black stain L3954F vs. Specific Gravity: 1. It is now processed to 60 mesh particle size (starting in Jan 2024). Alberta Slip is a dark burning quite plastic material, Ravenscrag is a light burning silty material. Alberta Slip works all by itself as an excellent cone 10 glossy brown (in oxidation) and tenmoku or glossy brown (in reduction). The end result will be flat and probably an incorrect color. Very versatile. However this version employs Ferro Frit 3195 instead of Frit 3134 to flux the Alberta Slip. David Hebert . H = Toff’s Blue Slip – from Toff Milway 25 Ball Clay 25 Potash Feldspar 25 Soda Feldspar 25 Silica 1% Cobalt Oxide 1% Red iron Oxide. I would like to try the Ravenscrag/Alberta cone 6 celedon. This rutile glaze is running down on the inside, so it has a high melt fluidity. This type of Hare's Fur doesn't require an iron clay in the recipe so you wouldn't have to source something like Alberta Slip. Amaco PC-20. Recipes Roasting the Alberta Slip powder at 1000F greatly reduces the shrinkage. by Tony Hansen. g. Alberta Slip as-a-glaze at cone 10R. It melts fairly well from cone 6 up. GA6-C (left) and GA6-E (right) simply add 4% rutile to get a stunning blue (E adds an additional 4% spodumene). Mix to a specific gravity of 1. I use the 4% often, very nice blue with zero expensive cobalt). "Mother Nature's porcelain" has 6% Mason 6600 black stain. You are also invited to submit your Ravenscrag Slip recipes and share ideas. By cone 10 it produces a glossy brown in oxidation and a tenmoku in Roasting the Alberta Slip powder at 1000F greatly reduces the shrinkage. The body is red-burning Aug 6, 2021 · The GA6-C rutile blue with Alberta looked appealing. These glazes need a certain thickness to float materials to the top surface of the glaze. The blue effect is darker and richer than oxidation. Titanium instead of rutile for floating blue. whitecourt. Monthly Tech-Tip from Tony Hansen SignUp: No tracking!No ads!. Floating Blue on Different Clays. The outside glaze is Alberta-Slip-based GA6-C rutile blue and the inside is GA6-A base (20% frit 3134 and 80% Alberta Slip). Use a firing rate and hold-time-at-1000F appropriate for the wall thickness and size of your bisque vessels (e. 5% Manganese 2. At 6% GA6-B Alberta Slip Cone 6 Base. Because Alberta Slip is a clay and a melter, your glaze will suspend and flow well. The loss of color occurs suddenly, somewhere between 5 and 6 percent. M350 is very similar in composition to M390 and shares teristics of Albany Slip. The color comes out just as strong without the extra step. H550 is Now Available. 20000 oz. The inside transparent is perfect and it is just 80% Alberta Slip and 20% Frit 3134. #13 10 albany slip (or alberta slip), 1 cobalt ox. Great for layering and always interesting, this glaze is always one of our top selling Potters Choice glazes! Due to the powdered nature of the materials involved with the Sep 16, 2023 · The outside glaze is Alberta-Slip-based GA6-C rutile blue and the inside is GA6-A base (20% frit 3134 and 80% Alberta Slip). GA6-C Alberta Slip rutile blue looks best on dark bodies like Coffee Clay. A beanpot glazed with 100% Jul 5, 2018 - Ravencrag rutile blue vs. All Pictures But the stain version (Mason 6600) on the right fires blacker and develops the color of this rutile glaze (Alberta Slip rutile blue) much better. Polar Ice is a cone 6 super-white translucent porcelain from Plainsman Clays. This. The mug is the buff stoneware Plainsman M340. If you layer it or dip too long, it will crawl. P300 with L3500E base glaze (20% frit 3249 , 80% Alberta Slip ) to produce a low thermal expansion ). When I slow-cool the Alberta Slip rutile blue, it turns to a more kinda seafoam green and takes on a more satin surface. That inside glaze is normally glossy transparent amber, but crystallizes to a stunning silky matte when fired using the C6DHSC schedule. The last batch that was mixed turned out to be a transparent honey brown and we are calling caramel for lack of a better wo Apr 15, 2023 · After bisque firing the piece was glazed inside using the base GA6-B Alberta Slip amber base. Its GA6-B base recipe contains significant iron (because of the 80% Alberta Slip), so could titanium oxide deliver the same floating blue effect? Yes. To go all the way only 1-2% more iron is needed (plus a little extra flux for melt fluidity, perhaps 5% calcium carbonate). It also produces a perfect glass surface whereas the Umber version on the left develops some pinholing in the inside glaze (GA6A Alberta Slip base). Roasting the Alberta Slip powder at 1000F greatly reduces the shrinkage. The outside is 80% Alberta Slip… Rutile is a titanium and iron combi­nation, which produces pale tans, light browns or blue in glazes. Roasting eliminates that. The GA6-C recipe has always relied on a 4% rutile addition. On the inside is the GR6-A Ravenscrag transparent base glaze. An excellent substitute for the very popular Albany Slip, which has not been mined for over a decade. Light rutile is a fine light brown pow­der. Ravenscrag Slip transparent and Alberta Slip blue glazes by Tony Hansen. 🏵 Welcome to r/Pottery! 🏵 -----Before posting please READ THE… Cone 6 rutile blue glaze on a black porcelain body. It is our most popular body (widely used in schools, by hobbyists, and professional potters. Tinned Alberta Slip 5½-6 Testing . Why do this? Because Alberta Slip is a clay, it shrinks on drying (if used raw the GA6-B and similar recipes will crack as they dry and then crawl during firing). It reacts with the iron in the rutile to form the floating blue effect. different glaze systems. The outside glaze is GA6-C Alberta Slip rutile blue on the outside. 00 Silica 4. The test tiles are: #294 Alberta Slip Base under Flowing Green, Redrock #253 Flowing Green under McGruder Red #255 Flowing Green under Selsor Temmoku Roasting the Alberta Slip powder at 1000F greatly reduces the shrinkage. #14 red art alone (can use as buttons if mixed like thick slip) #15 3tsp red iron, 1 cup water, 1tsp china clay #16 30 grams colemanite, 20 rutile, 20 clear powdered celadon, 4oz water. > >Write to me if it crazes; I've done some testing Roasted Alberta Slip (right) and raw powder (left). This glaze needs some Epsom salt added to the wet glaze slurry to keep the slurry from hard panning and to create a gel-like consistency that is easy to apply to bisque ware. Right: Alberta slip is almost a Tenmoku glaze by itself at cone 10 reduction. Coffee Clay with G3948A iron red glaze fired at cone 6 using the C6DHSC firing schedule. C. Recipes: GA6-A - Alberta Slip Cone 6 transparent honey glaze An amber-colored glaze that produces a clean, micro bubble free transparent glass on brown and red burning stonewares. 47. The glaze looks beautiful on white or dark clay. 02. Glazes like G3933EF oatmeal look best on dark burning bodies like Coffee Clay. And it contains no cobalt! Fairly close in appearance to the classic cone 6 Floating Blue recipe used across North America, this is a variation of the Alberta Slip Rutile Blue glaze (except this adds 1% tin oxide, 1% black copper oxide and 2% ceramic rutile, it is GA6-C1). Mid-temperature, finely ground and smooth, plastic, semi-vitreous, medium brown burning, native body for functional ware. This is 100% Alberta Slip (outside) on a buff stoneware (left) and iron stoneware (right) fired to cone 10R. How does Gillespie Borate compare in the original Floating Blue recipe? Jul 23, 2013 · If more rutile is added the surface turns an ugly yellow in a mass of titanium crystals. The famous/infamous Cone 6 floating blue is a blue made from cobalt and. Glaze is GA6-C Alberta Slip rutile blue. Alberta slip melts well with very little frit at cone 6. The rutile, in. Batch. We are pleased to report that as of May 2023 there will be changes to the H550 clay body formula. Thus, iron-stained bodies bring out the color best. J = Brown – originally from Ravenscrag Floating blue as brushing glaze. They were fired in the same kiln using a slow cool schedule. The firing May 18, 2021 · I roast half of my Alberta Slip at 1000°F, to prevent cracking. Whether you are interested in trying out some of the beautiful cone 10 pottery glazes that have been used for generations, or if you want It also produces the blue color whether or not the kiln is slow-cooled (although drop-and-hold PLC6DS schedule usually fires more blue). Its GA6-B base recipe contains significant iron (because of the 80% Alberta Slip), so could titanium oxide deliver that same floating blue effect? Yes. 47 Additional Water %: 90. Right: The traditional Alberta Slip amber transparent has 80% Alberta Slip and 20% Ferro Frit 3134. The photo of the mug is Flowing Green on white stone ware. Cone 6 Rutile Blue Alberta Slip glaze. Compared to bodies made from refined industrial minerals, M340 's diversity of ultimate particle sizes produces a body of much higher dry strength. Rutile chemistry varies from batch to batch. A runny glaze is blistering on the inside of a large bowl. Description. M350. Making your own glazes has never been more practical The classic Albany Slip lives on Adding 20% Ferro Frit 3134 to Alberta Slip produces a base that melts very well at cone 6. Cone 10R beanpot glazed with Alberta Slip (100%). The colour where thick is relatively unchanged, but the clay colour makes a huge difference where the glaze is thin. PC-20 Blue Rutile. The Alberta Slip Rutile should give an even more Hares Fur Blue in a slow cooling cycle. I roast half of my Alberta Slip at 1000°F, to prevent cracking. Slips and Engobes; Mason stains and clear glaze; Stains and Washes; Percentage Analysis for Rutile Blue: (by weight) 64. Western 8521 is clear, stable, food safe, and applies easy in brushing form over your Western or other underglaze projects. Original Language: English. Mix these glazes (Rutile Blue, Dolly Russian, Susie Yellow, and Tomato Red) to a thin, tomato-soup consistency in the bucket. Oct 30, 2013 - This buff stoneware mug is Plainsman M340. Cobalt and copper have crystallized during cooling, manganese has formed an iridescent glass. Dec 20, 2018 - Cone 6 Rutile Blue Alberta Slip glaze – Electric Cone 6 & Other Ways w/ Clay Mar 13, 2019 · The tin completely immobilizes the rutile blue effect, it brings out the color of the iron (from the rutile and the body). This can be made into a pint (500ml) of brushing glaze with 340g powder, 5g CMC gum and 5g of Veegum. 00 (original used the substitute Gillispie Borate) Dolomite 5. This recipe adapts it to cone 6 by adding 20% Ferro Frit 3134. The richer effect is also partly because the reduction kiln cools slower. potters . GA6-D brown Alberta Slip glaze at cone 5R. Ravenscrag Slip is a blend, its principal ingredient is mined from a large deposit near Ravenscrag, Saskatchewan, Canada. Axner Number: MCALB. Related Information. Craig Bachman . We document procedures to mix this as a brushing glaze, dipping glaze or base coat dipping glaze. G2917 floating blue vs. 500F/hr and 30 minutes for thin walled small vessels, slower and longer hold for large ones). 59. Variegating effect of sprayed-on layer of titanium dioxide. 109. 47 % Al2O3 3. Search. 4 Rutile, 2 Cobalt Carbonate. Nov 12, 2022 · The classic cone 6 floating blue? No, it is Alberta Slip blue. Deep, deep blue without any cobalt. Alberta Slip Rutile plus Cobalt Carb 5-6. The base cone 6 glaze recipe, it is just 80% Alberta Slip and 20% Ferro Frit 3195. The insides are GA6-A Alberta Slip cone 6 base. I think that cobalt free Alberta Slip floating blue gets its hue that way. Matte Blue Wood Ash Turquoise Wood Ash Search. M340 with GA6-B base Alberta Slip glaze (employs frit 3195 instead of 3134). This type of glaze excels on dark burning bodies. It produces a deeper color over the L3954F black engobe on these pieces. 63 % K2O Roasting the Alberta Slip powder at 1000F greatly reduces the shrinkage. It forms micro-crystals if the kiln is not cooled quickly. £13. Nov 25, 2023 · GA6-C Alberta Slip rutile blue at cone 5R. Compare that to crow-baring a clear glaze into a tenmoku (left): This is G1947U plus 11% red iron oxide. Pages that reference this post in the Digitalfire Reference Library: L3954B - Cone 6 Engobe (for M340), GR6-M - Ravenscrag Cone 6 Floating Blue, G2826R - Floating Blue Cone 5-6 Original Chrome and rutile have not melted, copper and cobalt are extremely active melters. This base is needed to make GA6-C rutile blue, otherwise we recommend the GA6-B base (which uses frit Rutile does some interesting things when slow-cooled. Cone 6 rutile blue glaze on a black porcelain body Tap picture for full size and resolution. ) Manufacturer: Other. It has higher melt fluidity and more white crystallization. Often times the float gives off a blue hue due to light scattering. Ravenscrag Cone 6 Floating Blue on porcelain and a red stoneware. Perhaps a bit of red iron oxide Rutile . A metallic, silky crystal black glaze based on 64 votes, 10 comments. 5½ Oxidation. Rated 5 stars out of 5. (If the glaze is applied too thinly, the glaze will not be able to float. Firing is cone 6. But that can be achieved using Alberta Slip floating blue L4655, it employs titanium instead of rutile (and relies on the rutile/iron mechanism for the blue color). 00 GA6-C - Alberta Slip Floating Blue Cone 6 Plainsman Cone 6 Alberta Slip based glaze the fires bright blue but with zero cobalt. Then on another column I have the glaze with the rutile and it runs like crazy, all the way Glazy Search for Recipes At Cone 10R. The center top tile is the standard GA6-C (with rutile) fired using the required C6DHSC firing schedule. Clay Planet's High Fire cone 9/10 clear glaze formulated for use with underglaze. 5 Tin Oxide. Great for layering and textured work, Blue Rutile is an active, complex glaze that is a flowing blue where thick and breaks brown where thinner. The Alberta Slip glaze GA6-B could also be used. 76 : 8. Both melt well at cone 10R and need frit to melt at cone 6. These are overglazed with GA6-C Alberta Slip Rutile blue on the outsides and Alberta Slip GA6-A amber base on the insides. Currently glaze recipes are being developed and added to this web site on an ongoing basis. When mixed with water to create a thixotropic slurry, this will perform was as a dipping glaze. Mar 19, 2013 · #12 cardew aquamarine 80 grams chrome, 20 cobalt carb, 20 rutile, plus water. The Frit 3195 version on the left retains its brilliant transparent nature. combination with a high-boron glaze base, creates the "floating", variegated quality, but the blue is heavily dependent on the cobalt. Rutile blue glazes are actually titanium blues (because rutile mineral is an impure source of TiO2 and Fe 2 O 3). Roasting Alberta and Ravenscrag Slips at 1000F: Essential for good glazes. Ravenscrag Slip melts by itself to a silky cone 10 glaze (no additions are needed). At 6% Alberta Slip Rutile-blue needs Frit 3134, it does not work with others. Fired at cone 6. Ravenscrag Slip. 31 % SiO2 13. Ship Weight: 1 lbs. This is GA6-C Alberta Slip glaze with 4, 5 and 6% rutile. This buff stoneware mug is Plainsman M340. Orton Cone Apr 17, 2024 · One caveat: This base will not produce floating blue effects with rutile or titanium additions, the GA6-A base is needed for that. This creates interest where the glaze pools in texture or drips. Prairie Skies Mar 13, 2019 · The tin completely immobilizes the rutile blue effect, it brings out the color of the iron (from the rutile and the body). At 6% the rutile crystallization has advanced to the point of completely opacifying the glaze. The other is Alberta Slip/Ravenscrag Slip 50:50 mix on Plainsman P700. , plus water, for blue black. >Matures well from ^ 5 1/2 to almost ^7. The recipes and chemistry are shown below (the latter gives a clue as to why there is no blue on the right). 4% rutile has been added to each. Alberta Slip. , 11. These are two runs of Alberta slip (plus 20% frit 3134) in a GLFL test to compare melt flow at cone 6. We will be using some Laguna Dover and maybe some speckled BMix (which I have discovered can only be fired to cone 5!) Have you tried the Ravenscrag Floating Blue? Roberta Aug 27, 2015 · Given that one of the main ingredients to a cone 6 floating blue is an iron bearing clay (Alberta slip) plus some frit and rutile, perhaps it's a reaction between the tan and red (iron bearing) clays and the glaze. Mar 4, 2014 · PC-32 Albany Slip Brown is an “Artistic Float Glaze”. >Floating blue from DititalFire > >Alberta Slip -- 80 >Frit 3134 -- 20 >plus >Rutile -- 3 to 4 >Bentonite -- 1 (for use as a dipping glaze) > >Tan, floating blue, takes oxides as overglazes well. All Pictures Instructions. Needs to be applied rather thick but is also a runner so careful application is necessary. See full list on digitalfire. Roasted Alberta Slip (right) and raw powder (left). Oct 20, 2019 · Hi Verna, Beautiful colors! Is there a recipe for white breaking brown you might share Thanks Marie GA6-A Alberta Slip base glaze (80 Alberta Slip:20 Frit 3134) fired using the C6DHSC firing schedule (on Plainsman M390 iron red clay). Title: CLC Glaze and Slip Recipes Author: Ben Bates Last modified by: David Bolton Created Date: 11/25/2001 7:27:07 PM Other titles: Cone 9 Glazes Amber Copper Red Copper Rutile Chuck D White Gustin Shino Jimmy Hendrix Blue Lead Belly Mark's Temoku Old Gold Oil Spot Black Oribe Reitz M-2 Green Shaner Red Temple White Tomato Red Transparent VC Celadon V. These changes will improve the following: increased specking, improved plasticity, better drying performance, and an increased margin against bloating and warping At first glance, you will notice a darker pugged colour than the past H550, however, the fired colour is the same. Revision of WPG01 Kalamalka. Alberta Slip Rutile blue glaze too thin on a dark body. 00 Gerstley Borate 15. com Cone 10R beanpot glazed with Alberta Slip (100%). Vs. I have tried both 4 & 5% rutile with success. Joe Thompson. These two cone 6 mugs have the same glaze recipe: GA6A Alberta Slip base. 138K subscribers in the Pottery community. News We rely on the consistency of burnt umber to maintain the maturity , color and speckle development. A metallic, silky crystal black glaze based on May 15, 2017 · I was trying out the Alberta slip rutile blue glaze. 40% Alberta slip 40% Alberta slip calcined 20% Frit 3134 + 4% Rutile I tried a glaze with just the base, no rutile, and it turned out great, no running. The M340 is made from a combination of our A3 and B stoneware materials (as are H550, Buffstone and L212 ). Alberta Slip floating blue at cone 6 Search. . You could try Rutile Green, but it breaks more yellow than dark red. Develops a >bit more texture with a slow cool. "High melt fluidity" is another way Nov 25, 2023 · The outside glaze is Alberta-Slip-based GA6-C rutile blue and the inside is GA6-A base (20% frit 3134 and 80% Alberta Slip ). The reason is the higher levels of Al2O3 ( Frit 3134 has almost zero Al2O3). Oct 7, 2012 · This is 2, 3, 4, 5% rutile added to an 80:20 mix of Alberta Slip and Frit 3134 at cone 6 (GA6-C recipe). M350 is the material of choice if you need to make functional ware from a brown burning body. WPG01 Kalamalka 107309 . The outside glaze is Alberta Slip Rutile Blue GA6-C (you are seeing it on the bare buff body near the bottoms and over the black clay surface on the uppers). The blue effect is a product of crystallization that occurs during cooling, it is thus dependent on a slower cooling cycle, especially above 1400F. If this is cooled rapidly or 1% tin oxide is added, it fires to a glossy clear amber glass with no crystals. It will apply evenly to bisque, produce minimal dripping and dry within seconds and be adequately Western 8521 Cone 10 Clear Matte Transparent Brushing Glaze. Ravenscrag cone 6 floating blue thinner and thicker applications. rt ot ek hn qt hy ao ds uj fe