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Pieces measure approximately 3 mm (AVERAGE SIZE)
This variety of calcite derives its color from copper inclusions that oxidized while it formed
The natural aragonite in these fossils instead forms a nacre-like sheen
Size: 50mm
Full Polished Amethyst Druzy Hearts / 3-7" AVG - 1 KILO LOT Menu Raw Point Pieces measure approximately 3 mmQuantity: 1 kilogram Average size range: 3 to 7 inches Amethyst is a violet gemstone that occurs when quartz containing significant iron impurities and other trace elements undergoes natural geological irradiation over long periods of time, altering the color. Variations in color occur based on the amount of iron and the specific trace elements present in the original quartz.
