Black Obsidian, Opalite and Yooperlite Grim Reaper Carvings
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£8.00 GBP
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Opalite is a man-made stone. This is a subtle and soft yet dynamic shimmery glass-resin, which is mainly composed of mineral dolomite attached with metal, in order to produce an opalescent presence.
Obsidian is an igneous rock occurring as a natural glass formed by the rapid cooling of viscous lava from volcanoes. It is extremely rich in silica, is low in water, and has a chemical composition similar to rhyolite.
Yooperlite is a trade name for fluorescent pebbles found on the beaches of Lake Superior, Michigan using a UV fluorescent light to detect the characteristic fluorescence of sodalite.