Raw Australian Opal, Natural Mineral Crystals, Mineralogy Sample
What you will receive
One 5ml glass vial of raw Opal mineral mined in Australia.
•Opal is a gemstone consisting of hydrated silica, typically semitransparent and showing varying colors that transverse the rainbow.
•In the Middle Ages, opal was considered a stone that could provide great luck because it was believed to possess all the virtues of each gemstone whose color was represented in the color spectrum of the opal.
•Opal is a hydrated amorphous form of silica (SiO2·nH2O)
•There is some conjecture on how exactly this precious gemstone forms, but many believe it is formed when water from rain seeps down into crevasses in the rock. Once the water evaporates, the silica that is left behind dries out and hardens into precious opal.
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