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- Obsidian Specimen, Pack of 12
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Rocks and Minerals · Igneous Rocks
Obsidian Specimen, Pack of 12
A specimen of obsidian, a volcanic glass with no crystal structure that forms when silica-rich lava cools very quickly. It breaks with a conchoidal fracture and was valued in the past for making sharp-edged tools.
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- Pack of 12 (PK)
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Other sizes & packs
3 variants in this rangePack of 12 (PK)This productCat. No. GEO-04-Z11-9000-008
Single (1 EA)Obsidian SpecimenCat. No. GEO-04-Z11-9000-007Pack of 6 (PK)Obsidian Specimen, Pack of 6Cat. No. GEO-04-Z11-9000-009 A specimen of obsidian, a volcanic glass with no crystal structure that forms when silica-rich lava cools very quickly. It breaks with a conchoidal fracture and was valued in the past for making sharp-edged tools.
| Cat. No. | GEO-04-Z11-9000-008 |
|---|---|
| Category | Rocks and Minerals / Igneous Rocks / Extrusive (Volcanic) Igneous Rocks |
| Subject | Earth Science |
| Pack size | Pack of 12 (PK) |
| Shipping weight | 0.50 lbs / 227 gms · 0.227 kg |
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