Apatite (Carbonate Apatite -Collophane) ps after Vivianite with Calcite
As recorded:
Astillero Mine, Mapimi, Mun. de Mapimi, Durango, Mexico
Mindat locality:
93mm x 60mm x 48mm
From the famed pseudomorph suite assembled by Ed Swoboda, this is a very odd but well-formed piece. The identification was confirmed by the Smithsonian (as noted on the old label). The shape of the original Vivianite crystals is perfectly preserved and the exterior is overgrown with tiny clear Calcites that have bright luster. This is Carbonate Apatite and has replaced crystals up to 4 CM in size.
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