Tumbled Mixed Calcite (1 Pound) Menu Specimen with Cut Base Chrysoprase is a green gemstone-grade

Chrysoprase is a green gemstone-grade variety of chalcedony that contains trace amounts of nickel

creating its iridescent metallic sheen and adding a layer of artificial coloration to the natural geological formation of quartz

Heat-treated or enhanced citrine is created by superheating amethyst or smoky quartz

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Tumbled Mixed Calcite (1 Pound) Menu Specimen with Cut Base Chrysoprase is a green gemstone-gradeUniqueness Guaranteed: Every item is one of a kind, making them ideal for all projects or designs. Avg Size Range: (1 to 2 Inches Long) Sizes Vary Material Origin: Pakistan Calcite is a mineral that forms mostly in limestone deposits and caves, and can exhibit a wide range of colors depending on the impurities and trace elements it absorbs from the surrounding area. This calcite derives its color from manganese impurities. Handmade items vary in size,