Agate /ˈæɡət/ is a cryptocrystalline variety of silica, chiefly chalcedony, characterised by its fineness of grain and brightness of color. Although agates may be found in various kinds of rock, they are classically associated with volcanic rocks and can be common in certain metamorphic rocks.
Poly Agate // Macro // Copper Tree// Abstract // Etage // Shimmer // Print Scarf // Geode Wall Art // Nail Varnish
The Friday Rejoicer 
So natural, amazing work.
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