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Glass Scratch Plate / Tile (Rounded for safety)

Your Price: $0.75

Part Number: glassscratch-Rnd

Availability: In Stock.

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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.

Round for easy and safer use.

Measures: 1" approximately

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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