by Andy Randell | Dec 12, 2018
Malachite & Molybdenite This specimen contains easily visible molybdenite, malachite and quartz with less visible amounts of chalcopyrite, and bornite....
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by Andy Randell | Oct 23, 2018
Molybdenite Soft silvery-grey molybdenite is the main ore mineral for molybdenum. Molybdenum, often just called ‘moly’, is used to make alloys with other...
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