Microcrystalline Gallery
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earthstory:ChrysopraseThe most brightly hued variety of microcrystalline quartz (aka agate, chalcedo
Mookaite jasperJasper is an opaque variety of chalcedony (aka agate), formed of microcrystalline sil
earthstory:A mineral coating We have here a surface layer of bubbly botryoidal microcrystalline quar
Carnelian The orange to bright red variety of microcrystalline silica, both as agate (banded) and ch
Fluorite on Microcrystalline Quartz - De'an, China
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