Obsidian Specimens / Rough (Black)

Rough pieces of Black Obsidian glass, sold in 100 gram packets.

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Rough Black Obsidian

Specimen pieces of rough Black Obsidian, otherwise known as 'volcanic glass', sold in 100g packets.

You may receive one piece but it might be two or three - depends on our stock at the time.


If you're planning on lapidary usage, please be aware of the risks. Obsidian is a type of glass and extra precautions should be taken when cutting or forming it. The dust can be especially dangerous.

The pictures you see here are representative of the products and are usually not the exact item you will receive. Where various grades are available we do try to photograph each grade - but some photographs are still on their way!


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