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Calcite Crystal Formation

How long did it take to form this calcite pipe formation? Not long. #calcite #geology #evolution #creationism | Lost World Museum

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Calcite Luster 💎❤️ Calcite is a common yet incredibly diverse mineral that exhibits a range of colors and forms. One of the most attractive features of calcite is its luster. When calcite has a good luster, it can be especially appealing to collectors and jewelers | Geology Addictive

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$Ah, the persistent calcite vs. quartz debate! So this isn’t a definitive test to determine just ANY clear mineral; there are plenty of clear minerals that would perform differently on this one simple test. But, if someone tells you “hey, this is EITHER a quartz or a calcite, can you tell which?” this is one indicator test. If you want one quick visual test that would help, gemmy calcite is so doubly refractive that it will often show doubled images, but you might have to test it at a few differe$

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Ah, the persistent calcite vs. quartz debate! So this isn’t a definitive test to determine just ANY clear mineral; there are plenty of clear minerals that would perform differently on this one simple test. But, if someone tells you “hey, this is EITHER a quartz or a calcite, can you tell which?” this is one indicator test. If you want one quick visual test that would help, gemmy calcite is so doubly refractive that it will often show doubled images, but you might have to test it at a few differe

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