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Frey Scientific Thin Glass Plates, 4 x 4 Inches
Item #:
573069
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Determine the hardness of minerals using these Frey Scientific thin glass plates. If the mineral scratches the plate, it has a hardness factor greater than 5.5 on Moh's hardness scale.
About This Item
Description
Frey Scientific Thin Glass Plate measuring 4 x 4 inches is used to determine relative hardness of minerals. Clear glass plate has 2 millimeter thickness and is sold as 12 per pack.Features
- Perfect size for testing multiple minerals
- 12 pack provides perfect amount for partner work in classroom
- Gives visual validation of mineral hardness
Includes:
- 12 Glass Plates
Specifications
Certifications:
Not Applicable
Maximum Age:
12 years
Allergens:
Contains No Allergens
No Choking Hazard