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Earth & Environmental Science

 

Products

- Hardness Plates
Glass Hardness Plates
AP7379
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&quo...
 
Streak Plates, White
AP5081
Identify minerals using these unglazed white or black porcelain plates. Simply rub the sample across the plate and observe the streak color. Use white plates for dark minerals; black plates for light minerals. Ideal 2" x 2" size for field ...
 
Streak Plates, Black
AP5082
Identify minerals using these unglazed white or black porcelain plates. Simply rub the sample across the plate and observe the streak color. Use white plates for dark minerals; black plates for light minerals. Ideal 2" x 2" size for field ...
 
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