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I don't get what's for hardness,luster,and cleavage I only know what's for streak color , and color well the color of the rocks.

I don't get what's for hardness,luster,and cleavage I only know what's for streak-example-1
User MDaniyal
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1 Answer

5 votes
Luster is shiny and smooth. Hardness is the 10. And Clevage is the remaining one, with smooth and flat
User Wandos
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