Rock by the Pound

Varieties of flint, chert, and volcanic glass for flint knapping. Spalls, flakes, and raw rock sold by the pound selected specially for lithic reduction.

If you are not sure on where to begin, please visit our Flint Knapping Buyer's Guide for tips on tool selection and stone purchasing. You may also feel free to Contact Us with any questions.

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Black Obsidian Spalls 3-6 inch (per lb) Medium to large spalls of #1 graded and cleaned black volcanic glass. Famous for it's consistency. Sold by the pound (1-2 pieces per lb). Black Obsidian is a popular volcanic glass favored by flintknappers...
View full details $5.00

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Mahogany Obsidian Spalls 3-6 inch (per lb) Medium to large spalls of #1 graded and cleaned volcanic glass with unique wood-like colorful streaks of brown/dark red and black. Sold by the pound (1-2 pieces per lb). Mahogany Obsidian...
View full details $5.75

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Heated Keokuk Chert Spalls 3-6 inch (per lb) Medium to large #1 graded and cleaned Heated Keokuk Chert spalls. Sold by the pound (1-2 pieces per lb). These 3-6 inch heat treated Keokuk spalls are particularly well suited...
View full details $5.75

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Dacite Spalls 3-6 inch (per lb) Considerably less glass-like than Obsidian, these medium to large Dacite spalls are an all around great volcanic flintknapping stone. Sold by the pound (1-2 pieces per lb). Dacite is a highly knappable...
View full details $6.50

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Georgetown Flint Cleaned Nodules 5-9+ inch -10 lb Lot Cleaned of visible waste and checked to be good stone, these mostly-raw nodules are great for knapping large daggers, spear points, knife blades, or spalling down to make multiple points. This material...
View full details $60.00

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Georgetown Flint, Cleaned Small Nodules - 4-6 inch -10 lb Lot These smaller cleaned nodules often have very clean stone, no surprises in the center, more pieces per pound, and more character than larger nodules. Cleaned of visible waste and checked...
View full details $50.00

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Heated Keokuk Quarry Spalls - 5 lb Lot - Uncleaned heat treated Keokuk chert spalls straight out of the kiln. The chert at this stage has not been cleaned of waste like our #1graded spalls. Large variety of sizes and some odd...
View full details $23.00

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Georgetown Flint 2-4 inch Spalls & Flakes (per lb) Small to medium spalls and flakes of #1 graded and cleaned Georgetown Flint. Some of the finest Georgetown we have had the pleasure of offering. This material does not require...
View full details Coming Soon
Small Spalls and Flakes Mix (per lb) Graded for beginners and our own kit material, these small spalls and flakes range from 2-4 inches in length. Mix may include: heated keokuk chert, Georgetown flint, Mahogany obsidian, Black obsidian, and/or dacite....
View full details $5.00

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Black Obsidian & Dacite 2-4 inch Mix (per lb) Mix of two of the most popular types of volcanic flint knapping stone. These small spalls and flakes of Obsidian and Dacite are sold by the pound (3-5 pieces per...
View full details $4.00

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Mahogany Obsidian Spalls 2-4 inch (per lb) Small to medium spalls and flakes of#1 graded and cleaned volcanic glass with unique wood-like colorful streaks of brown/dark red and black. Sold by the pound (3-5 pieces per lb). Mahogany Obsidian...
View full details $5.00

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Small, Thin Flakes Mix (per lb) These small, thin Novaculite, Georgetown flint, and Keokuk flakes are graded specifically for pressure flaking practice. 1.5 to 3 inch long flakes. Sold by the pound. These are graded for...
View full details $5.00

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Georgetown Flint Spalls 3-6 inch (per lb) Medium to large #1 graded and cleaned Texas Georgetown Flint in easy to work spalls. Some of the finest Georgetown we have had the pleasure of offering. This material does not...
View full details Coming Soon