珠宝小百科：同一块坦桑石原石晶体体现的多色性（坦桑石为三色性）。十分明显，不仅是块精品矿标...
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Not for the Faint of Heart • Burmese Tourmali...
mineralia | niajimeno: We mimic the openness ...
neezieneezie: Opal! by cobalt123 on Flickr.V...
Zoisite var. Tanzanite from Tanzania by The ...
Cuprite from Arizona
mineralia | fuckyeahcrystals: Chalcanthite Ch...
黄铁矿
蓝铜矿
