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RM499   Smithsonite

San Antonio mine, Santa Eulalia, Municipio de Aquiles Serdán, Chihuahua, Mexico

Botryoidal aggregates of smithsonite, with a good green color, showing possible rhombohedral forms. If we look carefully we can see several crystals of this zinc carbonate forming this forms. We emphisize on the quality of this specimen.


Size: 7,8 x 5,4 x 4,5 cm.

 

RM498   Mottramite

Ojuela mine, Mapimí, Municipio de Mapimí, Durango, Mexico

A very rich botryoidal growths of mottramite, with an excellent dark green color and velvety. These mottramite specimens were recently found in the mina Ojuela and for their quality could be considered a good representative for the species and, of course, the best specimens from this mine. A huge size specimen for the more selected display.


Size: 14,5 x 10,5 x 5,5 cm.
Found in 2012.

 

RM496   Cuprian adamite

Mina Ojuela, Mapimí, Municipio de Mapimí, Durango, Mexico

A very rich specimen of cuprian adamite, formed by several very sharp pseudooctaedral crystals, with an excellent brilliance and transparence. Color is different than usual for the species and mine, with a green to bluish tones. Adamite crystals are partially covering a vug in the goethite matrix. A display huge size specimen and a very good aesthetics. From this classic classic Mexican mine.


Size: 8,5 x 7,2 x 4,7 cm.
Main crystal: 3 x 2 mm.

Fluorescent under long wave UV
 

RM463   Calcite, butterfly twin

José María Patoni (Menores de Arriba), San Juan del Río, Durango, Mexico

An excellent sample of a calcite showing a marked butterfly twin. Two twinned crystals in the same sample. Good transparence and very aerial disposed. This calcite comes from the deposits of optical calcite of José María Patoni. These mining works are famous worldwide for the purity, transparence and crystallographic complexity of its calcite crystals. Nice miniature.


Size: 4,0 x 3,3 x 1,6 cm.
Main crystal: 23 x 14 mm.
Found in 2004

Fluorescent under long wave UV
 

RM455   Adamite

Ojuela mine, Mapimí, Municipio de Mapimí, Durango, Mexico

Group of very sharp adamite crystals showing an intense brilliance and color between yellow to colorless. Different orders prisms are present, isome of the end faces can remind the octahedron. Thus, in the specimen we can see very elongated crystals, some other flattened and almost equidimensional. Transparence and luster are really good. Crystals are disposed very aerial on a goethite matrix. This sample belongs to a German collection.


Size: 7,5 x 6,8 x 4,1 cm.
Main crystal: 13 x 10 mm.

Old col. Nr. 2704.
Fluorescent under LW-UV and SW-UV lights
 

RM201   Quartz amethyst scepter

Liliana Mine, Chihuahua, Chihuahua, Mexico

On a matrix totally covered by sharp quartz crystals, some of them with small inverse scepters, one of them more developed shows a perfect scepter shape. An elongated hyaline quartz prism with a scepter on the top with a pale amethystine tone. Really nice miniature.


Size: 5,2 x 4,0 x 3,8 cm.
Main crystal: 2,8 x 1,0 cm
Found in 2009

 

RM311   Calcite

José María Patoni (Menores de Arriba), San Juan del Río, Durango, Mexico

This elongated calcite crystal comes from the deposits of optical calcite of José María Patoni. These mining works are famous worldwide for the purity, transparence and crystallographic complexity of its calcite crystals. These specimens were formed by mineral rich hydrothermal fluids flowing through rhyolitic pyroclastic materials, where they found faults and fissures, a perfect place to grow.
This specimen shows faces of the prism, both scalenohedrons and rhombohedrons (positive and negative), echeloned faces and a small apical pinacoid. Excellent transparence and brilliance. A worlwide classic for calcite and crystallography.


Size: 4,6 x 1,8 x 1,3 cm.
Found in 2004

Precio reducido-Reduced price 35€
Fluorescent and phosphorescent under long wave UV
 

RM312   Calcite

José María Patoni (Menores de Arriba), San Juan del Río, Durango, Mexico

This elongated calcite crystal comes from the deposits of optical calcite of José María Patoni. These mining works are famous worldwide for the purity, transparence and crystallographic complexity of its calcite crystals. These specimens were formed by mineral rich hydrothermal fluids flowing through rhyolitic pyroclastic materials, where they found faults and fissures, a perfect place to grow.
This specimen shows faces of the prism, both scalenohedrons and rhombohedrons (positive and negative), echeloned faces and a small apical pinacoid. Excellent transparence and brilliance. A worlwide classic for calcite and crystallography.


Size: 4,5 x 1,8 x 1,6 cm.
Found in 2004

Precio reducido-Reduced price 30€
Fluorescent and phosphorescent under long wave UV
 

RM313   Calcite

José María Patoni (Menores de Arriba), San Juan del Río, Durango, Mexico

This elongated calcite crystal comes from the deposits of optical calcite of José María Patoni. These mining works are famous worldwide for the purity, transparence and crystallographic complexity of its calcite crystals. These specimens were formed by mineral rich hydrothermal fluids flowing through rhyolitic pyroclastic materials, where they found faults and fissures, a perfect place to grow.
This specimen shows faces of the prism, both scalenohedrons and rhombohedrons (positive and negative), echeloned faces and a small apical pinacoid. Excellent transparence and brilliance. A worlwide classic for calcite and crystallography.


Size: 5,1 x 1,5 x 1,4 cm.
Found in 2004

Fluorescent under long wave UV
 

RM315   Calcite

José María Patoni (Menores de Arriba), San Juan del Río, Durango, Mexico

This elongated calcite crystal comes from the deposits of optical calcite of José María Patoni. These mining works are famous worldwide for the purity, transparence and crystallographic complexity of its calcite crystals. These specimens were formed by mineral rich hydrothermal fluids flowing through rhyolitic pyroclastic materials, where they found faults and fissures, a perfect place to grow.
This specimen shows faces of the prism, both scalenohedrons and rhombohedrons (positive and negative), echeloned faces and a small apical pinacoid. Excellent transparence and brilliance. A worlwide classic for calcite and crystallography.


Size: 5,2 x 2,0 x 1,4 cm
Found in 2004

Fluorescent under long wave UV
 

RM310   Calcite

José María Patoni (Menores de Arriba), San Juan del Río, Durango, Mexico

This elongated calcite crystal comes from the deposits of optical calcite of José María Patoni. These mining works are famous worldwide for the purity, transparence and crystallographic complexity of its calcite crystals. These specimens were formed by mineral rich hydrothermal fluids flowing through rhyolitic pyroclastic materials, where they found faults and fissures, a perfect place to grow.
This specimen shows faces of the prism, both scalenohedrons and rhombohedrons (positive and negative), echeloned faces and a marked apical pinacoid. Excellent transparence and brilliance. With a minor matrix. A worlwide classic for calcite and crystallography.


Size: 5,6 x 1,8 x 1,7 cm
Found in 2004

Precio reducido-Reduced price 40€
Fluorescent under long wave UV
 
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