Hexagonal Minerals: Graphite, Tellurium, Beryl, Emerald, Apatite, Greenockite, Vanadinite, Pyrrhotite, Bastn Site, Covellite, Cesanite by Source Wikipedia

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Hexagonal Minerals: Graphite, Tellurium, Beryl, Emerald, Apatite, Greenockite, Vanadinite, Pyrrhotite, Bastn Site, Covellite, Cesanite

Source Wikipedia - Hexagonal Minerals: Graphite, Tellurium, Beryl, Emerald, Apatite, Greenockite, Vanadinite, Pyrrhotite, Bastn Site, Covellite, Cesanite
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