Ranger Red is an earthenware clay mined in Texas. It has a high iron content and can be used as a substitute for Redart. This material is gray in raw form and fires to a dark red. 50# bag; brown bag, Ranger Red printed on front

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Redart is an earthenware material that fires red and is fired to low temperatures (cone 06-3). It has low plasticity and low shrinkage. In clay bodies, it needs bentonite added to impart more plasticity. This material makes a good casting slip but may also need the addition of bentonite to help it pull away from the walls of the mold without tearing.  Information gathered from Digitalfire Ceramic Materials Database. 50# bag; red bag, yellow text Redart with green tree

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Newman Red is a red burning fireclay. It has low plasticity and low dry strength and is loved for its very strong staining abilities. Information gathered from Digitalfire Ceramic Materials Database.

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Alberta Slip Substitute is the 1:1 alternative to Albany Clay. Albany Clay was mined in the region of Albany, New York and could be used as a glaze on it's own, creating yellow, blacks, and browns in cone 10 reduction. Alberta Slip Substitute is more plastic than Albany, causing shrinking and cracking while drying and crazing when fired.  Information gathered from digitalfire.com and The Potter's Dictionary of Materials and Techniques by Frank Hamer.

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This is a blend of minerals that closely simulates Barnard (Blackbird) Clay, a widely used clay that contains iron and manganese. Barnard clay has been used as a source of iron in dark firing glazes. It has a low plasticity and a high shrinkage rate. because it is a clay, it suspends very nicely in slurries it is added to. This is incredibly messy and will stain everything it comes into contact with!  Information from the Digitalfire Ceramic Materials Database

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200 mesh Western Bentonite Available by the pound or in full bag quantities for best pricing. The full bag from the mine is a 50# bag; brown bag, blue text Volclay, Bentonite Western Bentonite (sodium bentonite) is most frequently used by potters and is the only type Bracker's carries. Southern Bentonite (calcium bentonite) is not available at Bracker's, but can be found at some metal casting foundry suppliers.  Bentonite is a very fine material that originates from the decomposition of volcanic ash. It is used in clay, slip, and glaze recipes to increase plasticity and suspend materials in slurries. It will also work as a binder and strengthen the clay body in the green and dry stages. In casting slip, bentonite is imperative to getting the slip to dry and pull away from the plaster walls of the mold without tearing.  Bentonite should be mixed with water outside of the mixture and then added in to ensure proper combination.  Information gathered from Digitalfire Ceramic Materials Database and The Potter's Dictionary of Materials and Techniques by Frank Hamer.

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Ravenscrag Slip Clay is a material that can be added to glaze slurries or used as a cone 10 reduction glaze by itself. At cone 10 reduction, it fires to a silky transparent glaze that can be used as a base for colorants or other additives. When this material is added to a glaze slurry, it suspends the mixture as well as improving eveness of application, drying speed, and reduces shrinkage. Information gathered from Digitalfire Ceramic Materials Database.

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