Calcite (Var: Manganese-bearing Calcite)
Vieja Mine, Francisco Portillo, West Camp, Santa Eulalia Mining District, Aquiles Serdán Municipality, Chihuahua, Mexico
Mineral specimens are rare from this less well-known West Camp mine in Santa Eulalia, compared to the more famous neighbors, such as the Potosi and San Antonio mines. The very sculptural, aesthetic and pristine large rosette is composed of densely intergrown "petals" of glassy, translucent, crenulated, flattened calcite rhombs. The colorless to ...
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