Glass plate, Square, 75 cm X 75 cm
Short Description:
Useful for testing hardness of minerals. This glass has a hardness of 5.5 on Mohr's scale.
Useful for testing hardness of minerals. This glass has a hardness of 5.5 on Mohr's scale. If a sharp part of the mineral is scratched against a smooth part of the glass plate and it makes a scratch which doesn't wipe away, then the mineral is harder than the glass plate.
| Item# | 00 |
|---|---|
| Material | Glass |
| Dimentions | 750mm X 750mm X 1.5mm |
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