Glass Hardness Plates
Glass Hardness Plates, 3x2x1/4"
Catalog # 470148-652
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Product Details & Documents
These plates help you determine the hardness of unknown minerals in the field.
- Plates Determine How Hard Minerals Are
- System Uses Mohs' Scale
- Ideal for Unknown Minerals in the Field
- Custom-Swiped Edges Reduce Risk of Injury
- Simple-to-Use
Scratch your mineral across the plate determine how hard it is. If the mineral scratches the plates, it’s harder than five on the Mohs’ hardness scale.
The custom-swiped edges reduce risk of accidental injury when handling.
Specifications
- Description:Glass Hardness Plates, 3x2x1/4"




