Beautiful Calibrated Agate Cabochon
This totally free type cabochon steps 25mm x 18mm x 3mm weighs 3 grams
Agate is a microcrystalline variety of quartz (silica), primarily chalcedony, characterised by its fineness of grain and brightness of color. Although agates may be discovered in numerous kinds of rock, they are classically connected with volcanic rocks however can be common in specific metamorphic rocks.
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