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Item #: AP7379 
alternative codes
Alternative Product Codes: GEO9475,S67817,1399114,SB14188,470148-652

Price: $22.57

Glass Hardness Plates for Mineral Testing in Earth science and environmental science are the perfect sized plate for mineral testing. Determine the hardness of minerals.

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Product Details

The perfect sized plate for mineral testing! Determine the hardness of minerals using these durable glass plates. If the mineral scratches the plate, it has a hardness factor greater than 5.5 on Moh's hardness scale. Ideal 1" x 2" x 1/4" size for field or lab testing. Sold in packages of 10 plates.