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RM2555   Natanite and rhodochrosite

El Potosí Mine, Francisco Portillo, Santa Eulalia, Aquiles Serdán, Chihuahua, Mexico

Natanite is a rare iron and tin hydroxide. It shows octahedral crystals truncated at their vertices by the faces of the cube. In this aesthetic specimen we can observe some very well defined, transparent crystals with an intense yellow color. They stand out on a matrix with brilliant rhodochrosite crystals. An exceptional sample for the species and the locality. Although the best specimens of natanite have been found in the Potosí mine, the type locality for the species is in the former Soviet Republics of Kyrgyzstan and Tajikistan.


Size: 3.4 x 3.2 x 1.5 cm.
Main crystal: 1 mm.

 

RM725   Mimetite

El Potosí Mine, Francisco Portillo, Santa Eulalia, Aquiles Serdán, Chihuahua, Mexico

Globular aggregates of mimetite crystals, with an intense luster and yellowish honey color. It is a floater and it back side there are some spherical vugs those are difficult to interpretate. Take a look. An aesthetic miniature from this famous Mexican mine.


Size: 4,3 x 3,3 x 2,3 cm.

 

RM688   Mimetite

El Potosí Mine, Francisco Portillo, Santa Eulalia, Aquiles Serdán, Chihuahua, Mexico

Globular aggregates of mimetite crystals, with an intense luster and yellowish honey color. It is a floater and it back side there are some spherical vugs those are difficult to interpretate. Take a look. An aesthetic miniature from this famous Mexican mine.


Size: 3,9 x 2,5 x 2,0 cm.

 
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