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Mineral Specimens with Pyrrhotite
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4.2 x 2.3 x 2.2 cm. Exquisite architectural form and sharpness characterize this fine large crystal of pyrrhotite from old finds in Mexico. It is complete all the way around. The crystal has a pretty bronze luster to it. Really unique to this locality and now a classic. Ex. Consie Prince Collection.
14.9 x 9.7 x 8.8 cm. This is a huge cluster weighing 4.4 pounds, of large, thick, robust pyrrhotites. The piece is complete and 360 degrees, all around. It has a very sharp geometry to the stacked hexagonal crystals, and a complex surface. The surface shows some alteration to, or perhaps ingrown, siderite and pyrite. But all tips are there, and the base is rimmed around by some contrasting metallic gunmetal-gray galena for accent. Ex. George Elling Collection.
6.6 x 5.2 x 4.1 cm. A classic pyrrhotite specimen from Santa Eulalia, Mexico and the Consie Prince Collection. A complete all-around, pristine, tripod cluster of three, diverging columns of blocky, moderate lustre pyrrhotite comprise this showy and excellent specimen. The sides of the columns have a very interesting, horizontal texture. The terminations have a striking highly lustrous, golden-brassy color. This is old-time Santa Eulalia material dating to the 1960s or early 1970s.
4.2 x 3.5 x 2.2 cm. A fine, old-time pseudomorph and combination specimen from a classic and famous locality - Kisbanya or the Herja Mine of Romania. Rust-brown marcasite pseudomorphs jackstraw-layered, tabular pyrrhotite crystals, which rest in a matrix of lustrous, black sphalerite. This fine old pseudomorph is from the Mullane Collection and comes with an Anton Berger label, well-known Austrian mineral dealers from the 1920s-1950s.
4.7 x 2.5 x 2.1 cm. A striking, lustrous, 5-sided, tapering, golden pyrrhotite crystal from the Santa Eulalia District of Mexico. I have seen lots of Santa Eulalia pyrrhotites, but never one in this golden color. Old material from the 1960s or 1970s. Ex. Consie Prince Collection.
8.8 x 5.1 x 2.4 cm. A classic, superb specimen of highly lustrous and translucent, shimmering tan-colored siderite rhombs (flattened so they look like discs) in an arborescent cluster. These specimens, of a very characteristic style and habit, were found in the 1960s at this famous gold mine. The edges are festooned with small brassy, tabular crystals of both cubanite (more erratically formed or acicular crystals) and pyrrhotite (sharply hexagonal). The larger hexagonal crystal of pyrrhotite (about 1 cm).
5.0 x 4.0 x 2.8 cm. A classic and aesthetic combination specimen from the Nikolaevskiy Mine at Dal’negorsk. A 2.2 cm, tabular, mirror-bright, brassy pyrrhotite crystal is set between two, perpendicular, lustrous, metallic-gray, spinel-twinned galena crystals. This is a fantastic, complete-all-around piece. Interesting, stalk-like florets of quartz needles lie in front of both sides of the pyrrhotite crystal and beautifully accent the piece. Smaller galena spinel-twins, sphalerite and chalcopyrite comprise the rest of the matrix.
5.3 x 4.3 x 4.1 cm. An unusual and fine pseudomorph from the Herja Mine of Romania. Sparkly, brass-yellow pyrite has pseudomorphed a large, tapering, hexagonal pyrrhotite crystal consisting of stacked, lamellar crystals. The base of the piece has massive galena.
17.9 x 9.8 x 6.5 cm. A stunning, 9.0 cm, lustrous, brassy, compound pyrrhotite crystal beautifully and aesthetically rests amongst milky quartz needles on this outstanding large cabinet specimen from the Nikolaevskiy Mine at Dalnegorsk. A couple of smaller pyrrhotite crystals are a nice accent. The accompanying label from a Russian dealer indicates that the piece was mined in 1992, during the height of material coming from Dal’negorsk.
9.3 x 5.6 x 4.2 cm. A very aesthetic and exceptional dolomite specimen from the Morro Velho Mine of Brazil. A beautiful rosette of glassy, translucent, gray, flattened dolomite rhombs is set on smaller dolomite crystals and all are set on a glassy, transparent quartz crystal. Light brown pyrrhotite plates richly dust and accent the dolomite crystals. The little pyrrhotite "emblem" on the lower right is 8 mm. This is a very fine, complete-all-around specimen that is essentially pristine. Ex. Ed David Collection.
8.8 x 5.3 x 4.8 cm. This is a complete-all-around cluster of intergrown, attractively-tarnished, pseudohexagonal crystals, to 3.0 cm across. The other side exhibits splendent brassy yellow faces with more isolation. Classic for the locality, this is now old material hard to obtain today.
3.3 x 2 x 2 cm. A superb Pyrrhotite from one of the world’s great localities. This fine specimen has two gorgeous hexagonal crystals, each over 1 cm across and thick, sitting on a matrix of black sphalerite and quartz. The brassy color and luster are unmatched, and there is even a hint of iridescence. Ex. Wendell E. Wilson Collection.
4.1 x 2.2 x 1.7 cm. The Blue Bell Mine of British Columbia was a major lead-zinc producer in the province until its closing in 1971. We have seen some pyromorphite from here but this is the first pyrrhotite I have personally seen from the locality. This rare and very fine specimen features two intergrown, stacked clusters of lustrous, bronzy-brown, pseudo-hexagonal plates of pyrrhotite. There is an excellent article on this noted locale in the January-February, 1977 issue of the Mineralogical Record. "The specimen quality rivals other well-known localities such as Santa Eulalia, Mexico and Trepca, Yugoslavia." This choice piece probably dates to the late 1950s to early 1960s. Ex. Dennis Mullane Collection.
An excellent and CLASSIC specimen of highly lustrous and gemmy bladed yellow-green siderite crystals to 3.2 cm on lustrous, translucent colorless to milky-white flattened dolomite rhombs. What makes this piece even more special, are the tiny lustrous pyrrhotite plates and iridescent cubanite blades richly scattered on all the larger dolomite and siderite crystals. Old dealer stock of Dr. Gary Hansen and not shown since the early 1980s! 7.5 x 5.6 x 3.4 cm
9.7 x 8.5 x 6.0 cm. A classic and very fine, large pyrrhotite specimen from Santa Eulalia. Some of the best pyrrhotites in the world have come from Santa Eulalia and this is an excellent example. The sharp, hexagonal crystals have a pleasing brown-bronze color and very striking, highly lustrous, golden-brown terminations. The patina is really unique. The large crystal is 5.5 cm wide near the base. Rosettes of tiny calcite scalenohedrons preferentially and richly coat some faces and are a fine accent. This specimen is complete-all-around and has only modest contacting on the backside. Specimens of this old-time quality and color came out in the 1960s and 1970s. Ex. Consie Prince Collection.
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Rob Lavinsky, rob@irocks.com
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share specimen![Pyrrhotite from Santa Eulalia District, Mun. de Aquiles Serdán, Chihuahua, Mexico [db_pics/mdpics/MD-214775a.jpg]](db_pics/mdpics/MD-214775a.jpg)
![Pyrrhotite, Galena from Nikolaevskiy Mine, Dal'negorsk (Dalnegorsk; Tetyukhe; Tjetjuche; Tetjuche), Primorskiy Kray, Far-Eastern Region, Russia [db_pics/mdpics/MD-216630a.jpg]](db_pics/mdpics/MD-216630a.jpg)
![Pyrrhotite from Santa Eulalia District, Mun. de Aquiles Serdán, Chihuahua, Mexico [db_pics/mdpics/MD-219089a.jpg]](db_pics/mdpics/MD-219089a.jpg)
![Marcasite, Pyrrhotite, Sphalerite from Herja Mine (Kisbánya), Baia Mare (Nagybánya), Maramures Co., Romania [db_pics/mdpics/MD-220802a.jpg]](db_pics/mdpics/MD-220802a.jpg)
![Marcasite, Pyrrhotite, Sphalerite from Herja Mine (Kisbánya), Baia Mare (Nagybánya), Maramures Co., Romania [db_pics/mdpics/MD-220802b.jpg]](db_pics/mdpics/MD-220802b.jpg)
![Pyrrhotite from Santa Eulalia District, Mun. de Aquiles Serdán, Chihuahua, Mexico [db_pics/mdpics/MD-222314a.jpg]](db_pics/mdpics/MD-222314a.jpg)
![Siderite, Pyrrhotite, Cubanite from Morro Velho mine (incl. Mina Velha; Mina Grande), Nova Lima, Iron Quadrangle, Minas Gerais, Southeast Region, Brazil [db_pics/mdpics/MD-224106a.jpg]](db_pics/mdpics/MD-224106a.jpg)
![Siderite, Pyrrhotite, Cubanite from Morro Velho mine (incl. Mina Velha; Mina Grande), Nova Lima, Iron Quadrangle, Minas Gerais, Southeast Region, Brazil [db_pics/mdpics/MD-224106b.jpg]](db_pics/mdpics/MD-224106b.jpg)
![Pyrrhotite, Galena, Quartz from Nikolaevskiy Mine, Dal'negorsk (Dalnegorsk; Tetyukhe; Tjetjuche; Tetjuche), Primorskiy Kray, Far-Eastern Region, Russia [db_pics/mdpics/MD-236637a.jpg]](db_pics/mdpics/MD-236637a.jpg)
![Pyrite, Pyrrhotite, Galena from Herja Mine (Kisbánya), Baia Mare (Nagybánya), Maramures Co., Romania [db_pics/mdpics/MD-238901a.jpg]](db_pics/mdpics/MD-238901a.jpg)
![Pyrite, Pyrrhotite, Galena from Herja Mine (Kisbánya), Baia Mare (Nagybánya), Maramures Co., Romania [db_pics/mdpics/MD-238901b.jpg]](db_pics/mdpics/MD-238901b.jpg)
![Pyrrhotite, Quartz from Nikolaevskiy Mine, Dal'negorsk (Dalnegorsk; Tetyukhe; Tjetjuche; Tetjuche), Primorskiy Kray, Far-Eastern Region, Russia [db_pics/mdpics/MD-242625a.jpg]](db_pics/mdpics/MD-242625a.jpg)
![Pyrrhotite, Quartz from Nikolaevskiy Mine, Dal'negorsk (Dalnegorsk; Tetyukhe; Tjetjuche; Tetjuche), Primorskiy Kray, Far-Eastern Region, Russia [db_pics/mdpics/MD-242625b.jpg]](db_pics/mdpics/MD-242625b.jpg)
![Dolomite, Pyrrhotite, Quartz from Morro Velho mine (incl. Mina Velha; Mina Grande), Nova Lima, Iron Quadrangle, Minas Gerais, Southeast Region, Brazil [db_pics/mdpics/MD-250191a.jpg]](db_pics/mdpics/MD-250191a.jpg)
![Pyrrhotite from Nikolaevskiy Mine, Dal'negorsk (Dalnegorsk; Tetyukhe; Tjetjuche; Tetjuche), Primorskiy Kray, Far-Eastern Region, Russia [db_pics/mdpics/MD-252617a.jpg]](db_pics/mdpics/MD-252617a.jpg)
![Pyrrhotite, Sphalerite, Quartz from Dal'negorsk (Dalnegorsk; Tetyukhe; Tjetjuche; Tetjuche), Primorskiy Kray, Far-Eastern Region, Russia [db_pics/mdpics/MD-262509a.jpg]](db_pics/mdpics/MD-262509a.jpg)
![Pyrrhotite from Blue Bell Mine, Riondel, Slocan Mining Division, British Columbia, Canada [db_pics/mdpics/MD-263809a.jpg]](db_pics/mdpics/MD-263809a.jpg)
![Siderite, Pyrrhotite, Cubanite, Dolomite from Nova Lima, Iron Quadrangle, Minas Gerais, Southeast Region, Brazil [db_pics/mdpics/MD-26482a.jpg]](db_pics/mdpics/MD-26482a.jpg)
![Pyrrhotite from Santa Eulalia District, Mun. de Aquiles Serdán, Chihuahua, Mexico [db_pics/mdpics/MD-271626a.jpg]](db_pics/mdpics/MD-271626a.jpg)