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Mineral Specimens with Pyrite
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20.3 x 15.4 x 4.7 cm. Richard Kosnar mined the Sweet Home for a few years during the late 1970's and managed to collect some excellent Rhodochrosite specimens. This piece is from one of the last pockets that Rich opened before he was done at the mine. The Rhodochrosite crystals on this specimen have nice pink-red color with good gemminess and sharp faces. The largest Rhodochrosite measures 1.0 cm across. They are sitting atop a mix of black, lustrous Tetrahedrite and Quartz crystal matrix with minor associated Pyrite. This mine is now completely defunct, and will never produce these world class quality Rhodochrosite specimens again.
2.9 x 2.6 x 1.7 cm. The Siete Suyos mine (Seven Servants mine) is sometimes considered to be part of the Animas mine, and it is often difficult to know where specimens are from because several mines in the area share the same vein system. The good news is that I directly obtained this specimen from the miner who collected it, so I know for certain where it came from. I honestly have never seen any specimens from this locality before. This piece features several excellent, sharp, gemmy, greenish-brown crystals of Siderite measuring up to 1.0 cm which are sitting upon an unusual crystal of lustrous Pyrite (possibly a pseudomorph after Siderite) which are associated with minor grey crystals of the rare sulfide, Stannite. For Siderite, the quality is impressive for Bolivia, as I rarely have seen such sharp and gemmy crystals from any Bolivian locality. So far, this find was very limited.
10.2 x 9.6 x 2.5 cm. A very attractive, and one of the more unusual, set of Pyrite spheres from the famous Pilbara locality. Rather than individual spheres, there are three adjoining spheres, highly lustrous and sparkly, with one smaller outlier. The largest of the beautiful Pyrite spheres is 2.5 cm, and the overall grouping is 4.5 cm. Very aesthetic. From old finds. Ex. Charlie Key.
6.8 x 5.4 x 4.7 cm. A large, 4.5 cm, textbook, nearly transparent, colorless calcite rhomb is aesthetically set in bornite-rich sulfide ore and accented with highly lustrous, distorted pyrite cubes. The calcite is included with an unknown mineral and there are even scattered clusters of green byssolite hairs. Classic and excellent combination material from the mines at Concepcion del Oro, Mexico. Ex. Consie Prince Collection.
4.5 x 3.3 x 1.4 cm. A fine cluster of mirror-bright, brass-yellow pyritohedrons from the long extinct Park City District of Utah. The pristine pyrites are beautifully striated. Seldom seen material from this noted locality. Ex. Jaime Bird Collection.
4.6 x 4.4 x 2.8 cm. The Siete Suyos mine (Seven Servants mine) is sometimes considered to be part of the Animas mine, and it is often difficult to know where specimens are from because several mines in the area share the same vein system. I directly obtained this specimen from the miner who collected it, so I know for certain where it came from. This piece features several excellent, sharp, gemmy, greenish-brown crystals of Siderite measuring up to 0.8 cm which are sitting upon unusual crystals of lustrous Pyrite (which are actually pseudomorphs after Siderite) which are associated with minor grey crystals of the rare sulfide, Stannite. For Siderite, the quality is impressive for Bolivia, as I rarely have seen such sharp and gemmy crystals from any Bolivian locality. So far, this find was very limited.
6.8 x 6.7 x 3.0 cm. From the find from about 7 years ago (2002), this is a piece from that great find at the Estano Orcko mine. This small cabinet size specimen features a few good-size, relatively sharp, dark, lustrous, modified dodecahedra of Sphalerite associated with pyritohedral crystals of Pyrite and acicular crystals of Jamesonite. The Sphalerite crystals have a very slight unusual "peacock blue-green" patina which is actually a Bornite "wash" that is seen on practically every specimen from this find.
2.6 x 2.2 x 1.8 cm. A textbook, mirror-bright, brass-yellow pyrite pyritohedron thumbnail from the long extinct Park City District of Utah. This fine crystal is complete-all-around, very nearly pristine and is moderately striated. Seldom seen material from this noted locality and even rarer, as the particular mine is known. This very fine, old-time specimen is comparable to Huanzala, Peru pyrite. Ex. Jaime Bird Collection.
1.5 x 1.4 x 1.3 cm. Highly lustrous and complete all the way around save for one small area, this is an excellent example of an “Iron Cross Twin”, a habit of Pyrite is hard to find. Ex. Marilyn Dodge Collection.
12.0 x 8.8 x 3.4 cm. A fine and sculptural cabinet plate covered with sharp, highly lustrous, flesh-pink-colored dolomite rhombs and very nicely accented on the edges with brassy pyrite cubes and a bit of purple fluorite. The mounds of dolomite rhombs give the piece excellent 3-dimensionality. Dolomite crystals of this size and quality are uncommon from the well-known Shangbao Mine.
8.0 x 7.5 x 5.7 cm. A fine pyrite concretion from a new Chinese find. This striking, flattened ball of parallel bands of sparkly pyrite microcrystals on shale looks like a hand-woven basket or clay pot with a very intricate, stylized pattern on the "lid".
9.0 x 7.8 x 6.0 cm. Five interpenetrating pyrite cubes and a single loner cube are very aesthetically set in clay matrix on this fine specimen from a classic Spanish locality - Navajun, La Rioja. The sharp, mirror-bright, brassy crystals, to 3.0, have a light iridescence to them. Highly representative of the species and noted locale.
4.2 x 3.7 x 3.7 cm. Mirror-bright, superbly striated, brass-yellow, intergrown pyrite pyritohedrons form a very aesthetic cluster on matrix from the Quiruvilca District of Peru. The textbook form and intense lustre rival the best from the renowned Huanzala Mine. The minute embedded enargite crystal is diagnostic of Quiruvilca pyrites. This is an outstanding pyrite specimen from this noted locale and comes from finds in the 1970s or 1980s.
6.5 x 5.9 x 5.3 cm. Sharp, mirror-bright, brass-yellow pyrite pyritohedrons on a sculptural, 3-dimensional knob make for a very fine specimen from this historic locale. Some of the pyrites are well-striated and the scattered quartz needles on the fringe are a nice accent. Classic, old-time and desirable Butte material from the Mullane Collection.
5.9 x 3.9 x 3.3 cm. A gemmy, 1.2 cm, pretty blue vivianite blade is perched on lustrous, jet-black sphalerite crystals nicely accented with yellow-brown siderite disks and sparkly, brassy pyrite microcrystals on this fine combination specimen from the famous and ancient Stari Trg Mine of Kosovo. Vivianite is an uncommon and seldom available species from this historic mine. Ex. Saller Collection.
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Rob Lavinsky, rob@irocks.com
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share specimen![Rhodochrosite, Tetrahedrite, Quartz, Pyrite from Sweet Home Mine (Home Sweet Home Mine), Mount Bross, Alma District, Park Co., Colorado, USA [db_pics/mdpics/MD-250345a.jpg]](db_pics/mdpics/MD-250345a.jpg)
![Rhodochrosite, Tetrahedrite, Quartz, Pyrite from Sweet Home Mine (Home Sweet Home Mine), Mount Bross, Alma District, Park Co., Colorado, USA [db_pics/mdpics/MD-250345b.jpg]](db_pics/mdpics/MD-250345b.jpg)
![Siderite, Pyrite, Stannite from Siete Suyos mine, Atocha-Quechisla District, Sud Chichas Province, Potosí Department, Bolivia [db_pics/mdpics/MD-251017a.jpg]](db_pics/mdpics/MD-251017a.jpg)
![Siderite, Pyrite, Stannite from Siete Suyos mine, Atocha-Quechisla District, Sud Chichas Province, Potosí Department, Bolivia [db_pics/mdpics/MD-251017b.jpg]](db_pics/mdpics/MD-251017b.jpg)
![Pyrite from Millstream Station, Pilbara Region, Western Australia, Australia [db_pics/mdpics/MD-251463a.jpg]](db_pics/mdpics/MD-251463a.jpg)
![Pyrite from Millstream Station, Pilbara Region, Western Australia, Australia [db_pics/mdpics/MD-251463b.jpg]](db_pics/mdpics/MD-251463b.jpg)
![Calcite, Pyrite from Concepción del Oro, Mun. de Concepción del Oro, Zacatecas, Mexico [db_pics/mdpics/MD-252515a.jpg]](db_pics/mdpics/MD-252515a.jpg)
![Pyrite from Park City, Park City District (Unita District), Wasatch Mts, Summit Co., Utah, USA [db_pics/mdpics/MD-252598a.jpg]](db_pics/mdpics/MD-252598a.jpg)
![Siderite, Pyrite, Stannite from Siete Suyos mine, Atocha-Quechisla District, Sud Chichas Province, Potosí Department, Bolivia [db_pics/mdpics/MD-253901a.jpg]](db_pics/mdpics/MD-253901a.jpg)
![Siderite, Pyrite, Stannite from Siete Suyos mine, Atocha-Quechisla District, Sud Chichas Province, Potosí Department, Bolivia [db_pics/mdpics/MD-253901b.jpg]](db_pics/mdpics/MD-253901b.jpg)
![Sphalerite, Bornite, Pyrite, Jamesonite from Estaño Orcko mine (Estaño Orkho mine), Machacamarca District (Colavi District), Cornelio Saavedra Province, Potosí Department, Bolivia [db_pics/mdpics/MD-253910a.jpg]](db_pics/mdpics/MD-253910a.jpg)
![Sphalerite, Bornite, Pyrite, Jamesonite from Estaño Orcko mine (Estaño Orkho mine), Machacamarca District (Colavi District), Cornelio Saavedra Province, Potosí Department, Bolivia [db_pics/mdpics/MD-253910b.jpg]](db_pics/mdpics/MD-253910b.jpg)
![Pyrite from Thaynes Shaft (Silver King Coalition Group; United Park City Mines), Park City District (Unita District), Wasatch Mts, Summit Co., Utah, USA [db_pics/mdpics/MD-254019a.jpg]](db_pics/mdpics/MD-254019a.jpg)
![Pyrite from Wyoming Mine, Gilman District (Battle Mountain District; Red Cliff District), Eagle Co., Colorado, USA [db_pics/mdpics/MD-254452a.jpg]](db_pics/mdpics/MD-254452a.jpg)
![Pyrite from Wyoming Mine, Gilman District (Battle Mountain District; Red Cliff District), Eagle Co., Colorado, USA [db_pics/mdpics/MD-254452b.jpg]](db_pics/mdpics/MD-254452b.jpg)
![Dolomite, Pyrite, Fluorite from Shangbao Pyrite mine, Leiyang Co., Hengyang Prefecture, Hunan Province, China [db_pics/mdpics/MD-255024a.jpg]](db_pics/mdpics/MD-255024a.jpg)
![Dolomite, Pyrite, Fluorite from Shangbao Pyrite mine, Leiyang Co., Hengyang Prefecture, Hunan Province, China [db_pics/mdpics/MD-255024b.jpg]](db_pics/mdpics/MD-255024b.jpg)
![Pyrite from Dongchuan District, Kunming Prefecture, Yunnan Province, China [db_pics/mdpics/MD-255047a.jpg]](db_pics/mdpics/MD-255047a.jpg)
![Pyrite from Dongchuan District, Kunming Prefecture, Yunnan Province, China [db_pics/mdpics/MD-255047b.jpg]](db_pics/mdpics/MD-255047b.jpg)
![Pyrite from Fuente del Moro, Navajún, La Rioja, Spain [db_pics/mdpics/MD-256892a.jpg]](db_pics/mdpics/MD-256892a.jpg)
![Pyrite from Quiruvilca Mine (La Libertad Mine; ASARCO Mine), Quiruvilca District, Santiago de Chuco Province, La Libertad Department, Peru [db_pics/mdpics/MD-256942a.jpg]](db_pics/mdpics/MD-256942a.jpg)
![Pyrite from Butte, Butte District, Silver Bow Co., Montana, USA [db_pics/mdpics/MD-258273a.jpg]](db_pics/mdpics/MD-258273a.jpg)
![Pyrite from Butte, Butte District, Silver Bow Co., Montana, USA [db_pics/mdpics/MD-258273b.jpg]](db_pics/mdpics/MD-258273b.jpg)
![Vivianite, Siderite, Pyrite, Sphalerite from Stari Trg Mine, Trepča complex, Trepča valley, Kosovska Mitrovica, Kosovo [db_pics/mdpics/MD-258312a.jpg]](db_pics/mdpics/MD-258312a.jpg)
![Vivianite, Siderite, Pyrite, Sphalerite from Stari Trg Mine, Trepča complex, Trepča valley, Kosovska Mitrovica, Kosovo [db_pics/mdpics/MD-258312b.jpg]](db_pics/mdpics/MD-258312b.jpg)