Gem Minerals

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1460 + PKG
470151-154PK 32.95 USD
470151-154
Gem Minerals
Specimens Mineral Specimens Mineral Collections
Observe and compare gem minerals

Students observe and compare 15 colorful rough gem minerals which illustrate semi-precious stones having commercial value. Samples are approximately 1 1/2"" x 1 1/2""
The set is housed in a compartmented box with an identification list.



   
 

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