Dragon Tooth Amethyst Large Flourescent Chilean Blue Opal is a

Chilean Blue Opal is a rare variety of common opal sourced from Chile's Atacama region

Large piece of druzy Brazilian Amorite with wooden stand

They are both very similar having the same chemical formula CaCO3

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Chrysoprase is a form of microcrystalline quartz chalcedony

Dragon Tooth Amethyst Large Flourescent Chilean Blue Opal is aAmethyst is a purple variety of quartz that gets its color from irradiation and inclusions of iron in the crystal lattice. Amethyst has been prized for thousands of years as a gemstone, commonly being used in jewelry. Ancient Greeks believed that amethyst prevented the intoxicating effects of alcohol. Amethyst was considered a precious gem until the 18th century when large deposits were discovered in South America. Its Mohs hardness is 7. You will