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Description
- Natural corundum mineral specimen
- Size range: approximately 1 to 1.25 in.
- Second hardest mineral on the Mohs scale (hardness = 9)
- Typically shows a dull luster and hexagonal crystal habit
- Ideal for mineral identification and hardness comparison
- Great for geology labs, rock and mineral collections, or educational kits
- Suitable for middle school through college-level earth science
Specifications
Specifications
| Product Type | Mineral |
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