Opals, as hydrated forms of silica, encompass a wide range of materials formed by both biogenic and diagenetic processes. The genesis of opal involves precipitation from silica‐rich fluids and ...
Organically Human on MSN
Petrified wood hiding stunning rare turquoise opal discovered
Nature continues to prove that it is the ultimate artist, crafting beauty that defies imagination. A recent discovery in ...
Over many years of geological time, opal is slowly formed as many small spheres of silica (what glass is made of) ...
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