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RM1470   Quartz (var. amethyst)

Las Vigas de Ramírez, Veracruz, Mexico

Group of amethyst quartz crystals, very elongated, with transparence and brilliance. The amethyst color is very uniform and delicate. It has some carbonaceous inclusions. Different from the usual specimens for the locality.


Size: 8.8 x 2.7 x 2.5 cm.

Price: 65 €Buy
 

RM1847   Romanèchite

Km. 2 road Chihuahua to Cuauhtémoc, Ciudad de Chihuahua, Chihuahua, Mexico

A very well defined botryoidal aggregate. It has a matte luster and is on a rocky matrix. These specimens were found in 2010, in the Km 2 of the road between Chihuahua and Cuauhtémoc,and it is interesting for its quality and size. This material was analyzed by Marcus Origlieri at the University of Arizona (J. Fabre) and reanalyzed "just for fun". Nowadays impossible to find these samples.


Size: 10 x 7 x 6 cm.
Found in 2010.

Adq. J. Fabre. Col. M. Marí (Castelló).
Analyzed specimen with report


Price: 240 €Buy
 

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

 

RM1634   Wulfenite

Erupción-Ahumada mine, Sierra de Los Lamentos, Ahumada, Chihuahua, Mexico

Very rich specimen formed by numerous prismatic crystals of wulfenite, with orange color. They are brilliant and disposed on the matrix. A specimen more than aesthetic historical, fine quality and from a classic Mexican locality.


Size: 6.0 x 3.0 x 2.9 cm.
Main crystal: 4 x 3 mm.

Price: 85 €Buy
 

RM935   Wulfenite

Erupción-Ahumada mine, Sierra de Los Lamentos, Ahumada, Chihuahua, Mexico

Group of wulfenite crystals from the well-known mina Ahumada (Chihuahua) showing intense color and luster and very marked tetragonal shape with rounded edeges. A very aesthetic specimen.


Size: 4.5 x 3.9 x 3.0 cm.
Main crystal: 8 x 7 mm.

 

RM1894   Wulfenite

Erupción-Ahumada mine, Sierra de Los Lamentos, Ahumada, Chihuahua, Mexico

These specimens of wulfenite with the chocolate brown to orange tone are very appreciated by collectors and very difficult to see today, unless they come from former collections with tradition. This specimen shows a large group of tabular crystals, very brilliant and translucent, few small nick that does not affect the aesthetics of the specimen. A classic piece.


Size: 6 x 5.8 x 5.2 cm.
Main crystal: 7 x 6 mm.
Found in ±2002.

Classic locality
Price: 350 €Buy
 

RM2016   

Santa Eulalia, Aquiles Serdán, Chihuahua, Mexico

A nice specimen of delicate purple to violet creedite is from the early 1980's find in Santa Eulalia. Complete, brilliant, the specimen features gemmy crystals to almost 1 cm. Purple creedite specimens are unusual in the market.


Size: 7 x 6.5 x 3.3 cm.
Main crystal: 1 cm.
Found in ±1980.

Price: 70 €Buy
 

RM1722   Manganocalcite with fluorite, galena and pyrite

Santa Eulalia, Aquiles Serdán, Chihuahua, Mexico

Very esthetic specimen formed by numerous aggregates of crystals of calcite manganoan, very bright, transparent to translucent, forming globular groups very well set on the matrix. They present a slightly pinkish tone due to the presence of Mn. Extremely fluorescent under LW-UV, with a spectacular pink to red color. They are accompanied by small octahedral cubic crystals of colorless and transparent fluorite. In a matrix of bright crystals of pyrite, sphalerite and galena. An exceptional piece.


Size: 8.7 x 7.5 x 3.5 cm.
Main crystal: 10 x 8 mm.

Col. J.M. Manchion (Barcelona) - No.420 (Kucera, 1988)
Fluorescent under long wave UV


 

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.

 

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.

 

RM1594   Wulfenite with arsenatian vanadinite and calcite

Erupción-Ahumada mine, Los Lamentos Mts, Mun. de Ahumada, Chihuahua, Mexico

Very rich specimen formed by numerous prismatic crystals of wulfenite, with orange color zoning. They are brilliant and disposed very aerially on the matrix. It is accompanied by calcite, which in the back part of the specimen partially covers the crystals of wulfenite, with small aggregates of yellowish arsenatian vanadinite crystals, curiously close to pyromorphite. We will send the analysis to the buyer. A specimen more than aesthetic historical, fine quality and from a classic Mexican locality.


Size: 7.0 x 4.5 x 2.5 cm.
Main crystal: 12 x 6 mm.

Ex.Col. Marcus Grossman (D)


 

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.

 

RM1670   Rhodochrosite

Potosí mine, Aquiles Serdán, Santa Eulalia, Chihuahua, Mexico

Very rich specimen of rhodo, formed by several gemmy, rose-red elongated rhombohedrons covering the matrix on this fine, fine quality sample from the famous 1970s and 1980s finds at Santa Eulalia. Observed under magnification we can see that elongated faces are semidull and terminal rhombohedrons are brilliant and transparent. Color is really good. Not easy to find in the market specimens with this quality.


Size: 6.8 x 5.6 x 3.8 cm.
Main crystal: 5 x 1 mm

 

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
 

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
 

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
 

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
 

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
 

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
 

RM794   Cuprian adamite

Ojuela mine, Mapimí, Mapimí, Durango, Mexico

A huge size cuprian adamite specimen, formed by two druses of very brilliant small crystals with an intense brilliance and characteristic color, with stalactitic growths. On the back size of the specimen there are some isolated and more developed crystals of this arsenate. Really good for diplay.


Size: 14,2 x 7,5 x 5,5 cm.
Found in ca. 2007.

 

RM922   Aurichalcite with calcite

Ojuela mine, Mapimí, Mapimí, Durango, Mexico

In this specimen we can observe two generations of aurichalcite. A first generation as small rosettes formed by lanceolate greenish crystals and second with thiner crystals, needle-like, some of which are included in rhombohedral calcite crystals, with a light blue color. Stand in a very aesthetic way on the matrix of goethite. A very balanced sample.


Size: 7.5 x 5.5 x 3.8 cm.

Price: 65 €Buy
 

RM757   Cuprian adamite with rosasite, smithsonite and conichalcite

Ojuela mine, Mapimí, Mapimí, Durango, Mexico

A rich druse of cuprian adamite crystals which is completely covering the cavity in limonite. With stalactitic growths showing an intense blue-green color. They are peppered by small white globular aggregates of smithsonite, along with areas of rosasite green. Accompanied by globular aggregates of conichalcite and very defined cuprian adamite crystals. An interesting specimen with good size.


Size: 8,0 x 5,5 x 5,0 cm.

 

RM1542   Mimetite, tsumcorite-arsenbrackebuschite

Ojuela mine, Mapimí, Mun. de Mapimí, Durango, Mexico

Rich group of very elongated mimetite crystals, some of them doubly terminated, brilliant, translucent and with a soft yellow tone. Mimetite specimens with this shape are unusual in Ojuela mine, usually globular. They are accompanied by aggregates of tiny yellow to orange crystals of tsumcorite-arsenbrackebuschite. They are disposed in a cavity of the goethite matrix. The specimen has been analyzed and the results will be sent to the buyer. It has been published in the mineral magazine "Paragénesis" (1-2017).


Size: 7.0 x 5.5 x 5.0 cm.
Main crystal: 20 x 2 mm.

Analyzed specimen with report


 

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
 

RM1503   Adamite

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

Exceptional specimen formed by several groups of prismatic crystals of adamite, which are disposed forming rosettes on a matrix of goethite. Crystals have a very uniform yellow color, with transparence, and very defined faces and edges. Pure aesthetic.


Size: 7.5 x 6.4 x 2.5 cm.
Main crystal: 6 mm.

 
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