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RM2236   Fluorapatite and Opal

Cerro de Mercado Mine, Victoria de Durango, Municipio de Durango, Durango, Mexico

Group of prismatic fluorapatite crystals, with faces of the prism and the hexagonal dipyramids. The transparence and brilliance areexcellent and the yellow color is very intense. This specimen was photographed in some books that Joan Astor published in issuu [online page 86]. It is accompanied in the matrix with hyaline opal aggregates. It was acquired in 1980 from Bailey Minerals (Ángel Jesús Talabán García, Segovia 1942-Madrid 2007). A very aesthetic and good size piece.


Size: 8 x 5 x 4 cm.
Main crystal: 2 cm.
Found in 1970-80's.

Col. Joan Astor.


 

RM2259   Fluorite

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

Very aesthetic specimen of fluorite. It shows the cubic shape, with polysynthetic growths on faces. The color very uniform, a delicate violet tone, with geometric zoning on edges, more intense. Excellent brilliance, transparence and very well defined faces and edges. An exceptional piece from Santa Eulalia and the Joan Astor collection, acquired by this great Catalan photographer and collector at the EXPOMINER Barcelona mineral show in 1981.


Size: 5.2 x 3.5 x 3.5 cm.
Main crystal: 2.4 cm.
Found in 1980's.

Col. Joan Astor,


 

RM2186   Endlichite, Arsenatian vanadinite

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

Colorful specimen of arsenatian vanadinite crystals, in aggregates of hexagonal prismatic crystals, with hopper cavities on the pinacoidal faces. Intense shine, orange to brown, with zoning, transparent to translucent crystals. They stand out on a white matrix of calcite. An excellent specimen of this Mexican mine.


Size: 6.5 x 5.3 x 4.8 cm.
Main crystal: 6 mm.
Found in ±1989.

Classic locality
 

RM2190   Gillespite, Sanbornite and Taramellite

Madrelena Mine, Tres Pozos, Baja California, Mexico

Fine aggregates of bright and translucent gillespita, strawberry red. In a matrix of white sanbornita that contrasts with the color. Gillespita is a rare barium and iron phyllosilicate. This is a very rich, colorful and excellent piece for the species.


Size: 5.4 x 4.5 x 2.5 cm.
Found in ±1990.

Col. R. Vochten.
Fluorescent under short wave UV


 

RM2164   Mimetite with calcite

Santa Eulalia, Aquiles Serdán, Chihuahua, Mexico

Mimetite Mexican specimens from Ojuela mine (Durango) and Potosí mine (Chihuahua) are the best considered by collectors. Currently those of Ojuela abound, but those of Potosí, with isolated crystals and globular aggregates like this specimen, are more rare to see. They stand out for their intense yellow-green color in some area and on a matrix of rhombohedral crystals of calcite.


Size: 5.6 x 4.7 x 2.3 cm.

Col. Manchion (Barcelona).
Price: 45 €Buy
 

RM2176   Topaz with quartz and opal

Artroyos mine, Sierra de San Francisco, Potrillos, Coneto de Comonfort, Durango, Mexico

Group of topaz crystals of good size, combining vertical prisms with dipyramidal faces, and small pinacoidal forms. Between transparent to translucent, with colour zoning between the core and the terminal faces. They are on a matrix of volcanic rock with growths of opal.


Size: 4.6 x 3.4 x 3.2 cm.
Main crystal: 3.2 cm.
Found in ±1986.

#251 Col. Manchion (Barcelona).


Price: 65 €Buy
 

RM2097   Arsenatian Vanadinite

San Carlos mine, San Carlos, Manuel Benavides, Chihuahua, Mexico

Rich group of sharp arsenical vanadinite crystals, with curved faces prisms, barrel-shaped and many of them doubly terminated, with the characteristic color of this variety. Two generations of crystals are observed, those of greater size opaque and with a brown tone, on which a second generation of transparent toasted honey tone crystals has grown, all very very brilliant. A pleasure under the magnifying glass. This mine is also known as Apex.


Size: 4.2 x 4 x 2.8 cm.
Main crystal: 9 mm.

 

RM2114   Smithsonite and hemimorphite

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

Very aesthetic globular aggregates of smithsonite, with an apple green color, translucent, accompanied by several lanceolated sharp and transparent hemimorphitecrystals. In a vug of the goethite matrix. Smithsonite specimens from this Mexican mine are highly appreciated by collectors. From the 8th level of this mine.


Size: 8 x 6 x 4.5 cm.
Main crystal: 1.3 cm aggreg.

 

RM2059   Pyrargyrite

Pozo San Luis, Fresnillo de González Echeverria, Fresnillo, Zacatecas, Mexico

Excellent specimen formed by very numerous aggregates of pyrargyrite crystals. Intense brightness, with red transparence, crystals are very rich in faces. We have analyzed some of the crystals and we will send the results to the buyer. For display, but also to observe/enjoy under the magnifying glass.


Size: 5.6 x 4.8 x 3.5 cm.
Main crystal: 2 mm.



Price: 70 €Buy
 

RM2044   Rosasite

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

Globular aggregates formed by acicular crystals of rosasite, with colours between deep green and light bluish green. Very aesthetic and disposed on a matrix of goethite. From this classic Mexican mine.


Size: 8.5 x 7 x 4.8 cm.

Col. A. Arguijo (L'Hospitalet de L.)
Price: 60 €Buy
 

RM2016   Creedite

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
 

RM1994   Danburite with Pyrite and Sphalerite

Aurora Mine, Charcas, Mun. de Charcas, San Luis Potosí, Mexico

Rich group of danburite crystals, transparent to translucent, with developed prism and defined faces and edges. Some with nicks in the terminal parts, but without affecting the whole. They are disposed on a matrix with pyrite and sphalerite crystals. Brightness, snowy white, very aesthetic and ancient specimen.


Size: 6 x 4.8 x 3.7 cm.
Main crystal: 1.5 cm.
Found in 1988.

Col. Manchion #375, 1988, Kucera.
Price: 70 €Buy
 

RM1993   Smithsonite with adamite

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

Very, very aesthetic specimen, unusual, showing two globular aggregates of smithsonite, colorless, transparent that let us see a whitish crystal aggregate core, with very curious growth. They are accompanied by small crystals of the same species in the form of globular grains. To give a touch of color and quality, several aggregates of olive green adamite crystals, visible terminal faces, bright, translucent and sprinkling the goethite matrix. It is an exceptional and rare old material from the Manchion Collection. Probably this specimen comes from the Palomas Oriente area of the mine. Pure aesthetics... With the label from Manchion Collection.


Size: 7.6 x 5.2 x 2.6 cm.
Main crystal: 17 mm. glob. aggreg.
Found in 1988.

Col. Manchion #378, 1988, Kucera.


Price: 170 €Buy
 

RM1916   Adamite with goethite

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

Very esthetic specimen formed by some groups of prismatic crystals of adamite, contrasting on a matrix of goethite. The crystals have a very uniform yellow color, with transparency, with very well defined faces and edges and forming rosettes. We can also observe isolated doubly terminated crystals and some almost colorless. A pleasure under the loupe magnifying glass. Good size.


Size: 7.5 x 7.5 x 3.2 cm.
Main crystal: 20 mm aggreg.

Fluorescent under long wave UV
Price: 65 €Buy
 

RM1915   Adamite with goethite

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

Very esthetic specimen formed by some groups of prismatic crystals of adamite, contrasting on a matrix of goethite. The crystals have a very uniform yellow color, with transparency, with very well defined faces and edges and forming rosettes. We can also observe isolated doubly terminated crystals and some almost colorless. A pleasure under the loupe magnifying glass. Good size.


Size: 8 x 7.5 x 4 cm.
Main crystal: 25 mm aggreg.

Fluorescent under long wave UV
 

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
 

RM1863   Hemimorphite with mimetite

Ojuela mine, ↑Level 7, Mapimí, Municipio de Mapimí, Durango, Mexico

Very aesthetic fan-shaped groups of transparent hemimorphite crystals, with a very good brilliance and excellent terminations. Accompanied by small aggregates of yellow greenish mimetite crystals. On a limonite matrix.


Size: 9 x 4 x 3.5 cm.
Main crystal: 14 x 4 mm
Found in ± 2004.

Col. M. Marí (Castelló).
Fluorescent under long wave UV
Price: 190 € 140 €Buy
 

RM1852   Adamite, var. manganoan adamite

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

Group of crystals of adamite, which show a geometric color zoning from yellow to violet due to the presence of manganoan adamite, a variety of adamite rich in manganese. Thios cation gives to these specimens a violet to purple core. Very bright, defined and with transparence that allows us to see this species. Nice and aesthetic specimen.


Size: 6.5 x 4.5 x 3.5 cm.
Main crystal: 7 x 2 mm.

Classic locality
 

RM1851   Adamite, var. manganoan adamite

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

Group of crystals of adamite, which show a geometric color zoning from yellow to violet due to the presence of manganoan adamite, a variety of adamite rich in manganese. Thios cation gives to these specimens a violet to purple core. Very bright, defined and with transparence that allows us to see this species. Nice and aesthetic specimen.


Size: 5.5 x 4.5 x 2.5 cm.
Main crystal: 8 x 2 mm.

Classic locality
 

RM1850   Legrandite

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

Gemmy and lustrous sprays of rich yellow legrandite needles, aesthetically jackstrawed in the vug, contrasting with the gossan matrix. Good color and fanshaped transparent and defined crystals.


Size: 6.8 x 4.5 x 4.4 cm.
Main crystal: 15 x 11 mm aggreg.
Found in 2017

Classic locality
 

RM1849   Legrandite

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

This specimen of legrandite shows us a group of sharp crystals of this rare zinc arsenate, with an intense orange-yellow color. It is common that some crystals appears fractured, but in this sample there are several perfect prismatic crystals, undamaged, brilliant and with an incredible transparence. I personally like isolated crystals and this piece is one of them. Good size, brightness and aesthetics, very representative for the species. Accompanied by elongated smithsonite white crystals.


Size: 7 x 4 x 3.5 cm.
Main crystal: 4 mm.
Found in 2017

Classic locality


 

RM1844   Aurichalcite

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

Very aesthetic specimen formed by acicular globular aggregates and fan-shaped aurichalcite crystals, with an intense blue color. They are filling the cavities of the limonite matrix with a intense contrast. With an old label from this ancient natural science store located in the center of the city of Barcelona.


Size: 7.8 x 3.5 x 3.5 cm.

Col. J.M. Manchion, Barcelona.


 

RM1729   Quartz, var. Amethyst

Amatitlán, Zumpango del Río, Guerrero, Mexico

A superb, well-balanced spray of amethyst crystals from the famous Guerrero locality. An aesthetic cluster of colored amethyst crystals, representing fine color from this deposit, in crystals which are still gemmy and translucent. Not easy to find nowadays. Ex. J.M. Manchion collection.


Size: 5.0 x 3.0 x 2.8 cm.
Main crystal: 40 x 14 mm.

Col. J.M. Manchion (Barcelona) - No.230 (E. Kucera, 1986)


 

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


 

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

 
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