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Square Glass Scratch Plate / Tile
Image 2

Square Glass Scratch Plate / Tile

Your Price: $1.75
In Stock.
Part Number:glassscratch

Glass Scratch Plate

Scratch Plates are used to help identify the hardness of a rock or mineral specimen.

This is a thick tile to protect against breaking.
It also has safety ground edges to prevent injury.
Measures: 1" x 1"
 

Hardness testing with a glass plate: 

To perform a simple mineral test simply scratch your mineral across the glass plate.
If the mineral scratches the plate, it is harder than 5.5 on Mohs hardness scale.
 

Sold Individually

Warning: Item is made of glass and can cause cuts with handling and use.

 

 

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