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What are 2 minerals that don't leave a streak on a streak plate?
Wiki User
∙ 12y ago
A streak plate has hardness of 7 on the Mohs scale, so harder minerals will not leave a streak. Diamond has a hardness of 10 and corundum is 9 - so neither will leave a streak.
Wiki User
∙ 12y ago
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What is the streak of bauxite?
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