Geology (8/229)

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Talc from the Waterburg Talc Mine, Vermont.  State mineral of Vermont. Softest mineral of the Mohs scale of mineral hardness (measuring a 1).
Talc from the Waterburg Talc Mine, Vermont. State mineral of Vermont. Softest mineral of the Mohs scale of mineral hardness (measuring a 1).
Filename: Talc_0013.jpg
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