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RM1269   Calcite with goethite

Herculano Mine, El Puntal, Campos de golf area, Sierra Minera de Cartagena-La Unión, Atamaría, Cartagena, Murcia, Spain

A nice druse of very curious calcite crystals showing rhombohedron terminal faces and the side faces covered with a second generation of calcite with staggered growth of intense white color. They are disposed on a matrix of goethite with manganese oxides. Special one for calcite mineral collectors.


Size: 12.0 x 8.3 x 6.3 cm.
Main crystal: 10 x 10 mm.

Fluorescent under long wave UV
 
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