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Variations in color
Megalodon teeth are very much like a super-sized version of the Great White Shark teeth
Malachite can be found in Russia and Africa currently
Shungite is named for the area it was discovered
giving them an exquisite look that is sure to be admired by all
Calcite on Limestone Specimen quartz Variations in colorThese incredible Limestone specimens feature unique reflective pieces of Calcite within. These Calcite on Limestone Specimen display a cool blue with translucent clusters of Calcite. Calcite is a carbonate mineral and the most stable polymorph of calcium carbonate. The Mohs scale of mineral hardness, based on scratch hardness comparison, defines value 3 as "calcite". How is calcite formed? Calcite can form by direct precipitation from waters rich in
