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In some stones
Peru is one of the most famous sources of rhodochrosite
Let me tell you the history of this material first and then try to explain its importance
Size: 8x6mm
Molybdenite Crystal | 37.5 grams | Moly Hill, La Motte, Québec, Canada | SO24 unheated sapphire In some stonesThis is a perfect rosette of metallic molybdenite, almost completely exposed in a glassy quartz matrix crystal from Moly Hill, Abitibi Temiscamingue, Qubec, Canada. The molybdenite rosette measures 12. 5 mm across. Molybdenite is commonly found as foliated masses meaning the mineral forms folia or layers, like the mineral mica. It is metallic gray, has a greasy feel, and is very soft at only 1 on Mohs' hardness scale. Its softness, metallic luster and
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