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and it's nearly doubly terminated
It came from a piece of rough that we acquired from a good friend who bought it at the source
Item #BLKOPALAUS112
The Brookites are fine quality
Quartz "casts" after Calcite on matrix Eudialyte and it's nearly doubly terminatedA really cool "cast" (sometimes call an epimorph, but some people are now calling them perimorphs) from our beloved San Juan Mountains of Colorado. This piece is from the famous Mineral Farm locality near Ouray. What I love about this specimen is the fact that multiple generations of crystallization took place. The topmost layer features sparkling, drusy white Quartz crystals which have formed complete "casts" after preexisting scalenohedral Calcite.
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