Quartz | Properties, Varieties, Occurrence and Uses
Amethyst: Amethyst is a shape of quartz that stages from a shiny to dark or stupid crimson shade.The international's biggest deposits of amethysts may be located in Brazil, Mexico, Uruguay, Russia, France, Namibia and Morocco. Sometimes amethyst and citrine are discovered developing within the identical crystal. It is then called ametrine.An …Web
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