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Obsidian (formerly Cassius)-Aardvark - Cone 5/6

Price: Temporarily out of stock

Manufacturer: Aardvark

Part No: AV_OBSIDIAN

Aardvark Clay's Obsidian- (Formerly Cassius Basaltic)
Fired Shrinkage is 14.5% and Water Absorption is .5% when fired to cone 5. Very black, ebony like finish. Needs lots of oxygen during bisque firing. This clay should not be fired any hotter than cone 5.

Please handle all raw materials with safety in mind. The Dry form of all clay, glaze, and raw materials can expose you to hazards when not handled properly.
When handling and mixing DRY ceramic materials and powders, wear a full breathing respirator, eye protection, and gloves to protect your lungs and hands
PROP 65 WARNING FOR RESPIRABLE SILICA