dioptase ore isolated white background |
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navigate by keyword : africa amethyst background calcite cluster copper crystal crystalline crystals dioptase emerald gem gemstone geological geologist geology glass glassy green isolated macro material matrix metal mine mineral mineralogy namibia natural nature nugget object ore precious raw rock sample science shiny silicate specimen stone texture treasure white |
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Dioptase is an intense emerald-green to bluish-green copper cyclosilicate mineral. It is transparent to translucent. Its luster is vitreous to sub-adamantine. Dioptase is very fragile and specimens must be handled with great care. |
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