Rock by the Box

These USPS flat rate boxes packed full of different types of flintknapping stone. This is usually the most economical ways to purchase stone in quantities above 10 lbs. 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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Flintknapping Spalls Mix - Medium Flat Rate Box - Free Shipping Medium USPS Flat Rate box packed with 12 pounds of our #1 graded and cleaned 3-6 inch Flint knapping Spalls Mix (Heat Treated Keokuk, Georgetown Flint, Mahogany Obsidian, Black Obsidian,...
View full details $75.00

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Flintknapping Spalls Mix - Large Flat Rate Box - Free Shipping Large USPS Flat Rate box packed with 20 pounds of our #1 graded and cleaned 3-6 inch Flint knapping Spalls Mix (Heat Treated Keokuk, Georgetown Flint, Mahogany Obsidian, Black Obsidian,...
View full details $120.00

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Heated Keokuk Spalls - Medium Flat Rate Box - Free Shipping Medium USPS Flat Rate box packed with 12 pounds of our #1 graded and cleaned 3-6 inch heat treated Keokuk Spalls. Box price includes shipping within the domestic United States....
View full details $75.00

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Heated Keokuk Spalls - Large Flat Rate Box - Free Shipping Large USPS Flat Rate box packed with 20 pounds of our #1 graded and cleaned 3-6 inch heat treated Keokuk Spalls. Box price includes shipping within the domestic United States....
View full details $120.00

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Black Obsidian Spalls - Medium Flat Rate Box - Free Shipping Medium USPS Flat Rate box packed with 12 pounds of our #1 graded and cleaned 3-6 inch Black Obsidian Spalls. Box price includes shipping within the domestic United States. Our cleaned...
View full details $70.00

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Black Obsidian Spalls - Large Flat Rate Box - Free Shipping Large USPS Flat Rate box packed with 20 pounds of our #1 graded and cleaned 3-6 inch Black Obsidian Spalls. Box price includes shipping within the domestic United States. Our cleaned and graded black...
View full details $110.00

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Mahogany Obsidian Spalls - Medium Flat Rate Box - Free Shipping Medium USPS Flat Rate box packed with 12 pounds of our #1 graded and cleaned 3-6 inch Mahogany Obsidian Spalls with unique wood-like colorful streaks of brown/dark red and black....
View full details $75.00

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Mahogany Obsidian Spalls - Large Flat Rate Box - Free Shipping Large USPS Flat Rate box packed with 20 pounds of our #1 graded and cleaned 3-6 inch Mahogany Obsidian Spalls with unique wood-like colorful streaks of brown/dark red and black. Box price...
View full details $120.00

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Dacite Spalls - Medium Flat Rate Box - Free Shipping Medium USPS Flat Rate box packed with 12 pounds of our #1 graded and cleaned 3-6 inch Dacite Spalls. Box price includes shipping within the domestic United States. Dacite is a...
View full details $80.00

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Dacite Spalls - Large Flat Rate Box - Free Shipping Large USPS Flat Rate box packed with 20 pounds of our #1 graded and cleaned 3-6 inch Dacite Spalls. Box price includes shipping within the domestic United States. Dacite is a...
View full details $130.00

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Georgetown Flint Spalls - Medium Flat Rate Box - Free Shipping Medium USPS Flat Rate box packed with 12 pounds of our #1 graded and cleaned 3-6 inch Georgetown Flint Spalls. Box price includes shipping within the domestic United States. Our #1 graded...
View full details $90.00

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Georgetown Flint Spalls - Large Flat Rate Box - Free Shipping Large USPS Flat Rate box packed with 20 pounds of our #1 graded and cleaned 3-6 inch Georgetown Flint Spalls. Box price includes shipping within the domestic United States. Our #1 graded...
View full details $140.00

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Cleaned Georgetown Nodules - Medium Flat Rate Box - Free Shipping Medium USPS Flat Rate box packed with 12 pounds of our 5-9+ inch cleaned and checked raw Georgetown Flint nodules. Box price includes shipping within the domestic United States. These raw...
View full details $70.00

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Cleaned Georgetown Nodules - Large Flat Rate Box - Free Shipping Large USPS Flat Rate box packed with 20 pounds of our 5-9+ inch cleaned and checked raw Georgetown Flint nodules. Box price includes shipping within the domestic United States. These raw Georgetown...
View full details $110.00

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Small Spalls and Flakes Mix - Medium Flat Rate Box - Free Shipping Graded for small blade and point makers, beginners, and for our own kit material, these small spalls and flakes range from 2-4 inches in length and include a mix of keokuk...
View full details $70.00

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Small Spalls and Flakes Mix - Large Flat Rate Box - Free Shipping Graded for small blade and point makers, beginners, and for our own kit material, these small spalls and flakes range from 2-4 inches in length and include a mix of keokuk...
View full details $110.00

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Oversize 6+ inch Spalls - Large Flat Rate Box - Free Shipping Limited time offer for rare oversize material while supplies last. Large USPS Flat Rate box packed with 20 pounds of our #1 graded and cleaned 6+ inch 'extra-large' spalls. Box price includes shipping within...
View full details Coming Soon
Obs/Dacite Chips and Chunks - Medium Flat Rate Box - Free Shipping Medium USPS Flat Rate box packed SOLID with 18-22 lbs of small, thick, and/or odd shaped pieces of Obsidian and Dacite. Great for getting a lot of experience without the high cost of...
View full details $38.00

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Georgetown Flint Chips and Chunks - Medium Flat Rate Box - Free Shipping Medium USPS Flat Rate box packed SOLID with 15 to 18 lbs of challenging small, thick, and/or odd shaped pieces of raw Georgetown Flint. These are cleaning flakes and awkward...
View full details $40.00

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