Raw Obsidian For Sale

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Black Obsidian is a popular volcanic glass favored by flintknappers for its consistent quality and uniform flaking. Knappers who favor pressure flaking techniques usually enjoy Obsidian in particular for its potential to run super long flakes.

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  1. Most of the high quality obsidian used comes from Central Oregon and Northern California and come in a variety of colors such as mahogany, rainbow, midnight lace, clear green, Burns green, silver sheen and more. Not all colors are always available.
  2. Snowflake Obsidian is a black obsidian with white spots (spherulites) of radiating needle-shaped cristobalite (high-temperature quartz) crystals. It is found in the Black Rock Desert in western Utah. Rough and Face polished pieces for sale.
Raw Obsidian For Sale

Our cleaned and graded black Obsidian spalls range in size from 3-6 inch pieces. This size is good for large and medium points and blades. Ordering 1 pound of this material will not ensure that you will get a single 6 inch spall. Most often a one pound order will contain two pieces of stone in the approx 4 inch range. To make certain you receive the full range of sizes of this material you will need to order multiple pounds or purchase a flat rate box of material.

WARNING: Obsidian flakes can be sharper than razor blades! Exercise extreme caution!

Large Raw Obsidian For Sale

We strive to provide the cleanest, blemish free knapping material within our means. On some spalls however, blemishes do get past us because not all defects are evident at first or even second inspection. In efforts to avoid defects as much as possible, we perform a few thinning blows to ensure that you do not pay for large amounts of waste, over thick spalls, or fragile/thin sizes that will shatter with the first strike.

Raw Obsidian Sales

Large knapping material requires large billets. Attempting to knap large stone with too small of a billet will damage the billet and not produce sizable thinning flakes early on in the process as needed. If you are graduating to this size material from one of our kits, we recommend adding a large copper percussion billet to your order. If you are unsure about what you need, please visit our Flintknapping Buyer's Guide, or feel free to contact us and we will be glad to help.