Obsidian
Obsidian
$40.33 per 25 lb bag
$1.61 per lb
(Formerly Cassius Basaltic) Fired Shrinkage is 14.5% and Water Absorption is .5% when fired to cone 5. Very black, ebony like finish. Contains no talc. Needs lots of oxygen during bisque firing. Please refer to this link for our bisque firing schedule that was created with Obsidian in mind: Bisquefiring
$40.33 per 25 lb bag
$1.61 per lb
$1.61 per lb
Bulk pricing available — price per bag decreases at higher quantities.
Please inquire in-store or via email for volume pricing.
Please inquire in-store or via email for volume pricing.
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