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Cobalt Blue Glass Knapping Block | 3.5 lb Casting Glass Brick | Flint Knapping

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USD 69.99

Condition: see listing

Location	Salem US
Shipping	Free shipping (check listing for details)
Seller	heartsonfiregemstones 100.0% positive · 918 feedback
Listing	FixedPrice · Active
Start time	2025-11-24T00:50:41.000Z

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Cobalt Blue Glass Knapping Block | 3.5 lb Casting Glass Brick | Flint Knapping Specs

Country of Origin	China
Culture	Native American: US

Listing details

Cobalt Blue Casting Glass Block / Knapping Brick – 3 lb 8.7 oz This deep-blue utility glass block is perfect for flint knappers, lapidary artists, and glassworkers. The rich cobalt pigmentation gives it a bold, dramatic appearance, and its density makes it excellent for shaping, carving, and knapping. 📏 Measurements: 5.01 in × 3.85 in × 2.25 in thick ⚖️ Weight: 3 pounds 8.7 ounces 🆔 Code: OPBRICK-002 Pictures are of exact item you will receive Great for knapping blades and points, carving cabochons, making small sculptures, or displaying as-is for its striking color. 🔎 Condition: Chips on bottom edges (typical of utility stock). Does not affect knapping or carving use. A beautiful, versatile block with endless creative possibilities.