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Mineral Specimens with Galena
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8.9 x 8.2 x 6.1 cm. A large, splendent galena cube from Missouri’s Viburnum Trend. This complete all-around, highly representative crystal has a bit of matrix attached on one side and one corner is contacted. Weighs 4.6 pounds or 2.1 kilograms. Ex. Mullane Collection.
9.7 x 7.4 x 6.4 cm. An old-time, classic and showy combination specimen from the Tri-State District of Missouri. Lustrous, brassy, bladed marcasite crystals are richly and epitaxially attached to an aesthetic, five crystal cluster of lustrous galena cubes to 3.5 cm. The galena crystals are perched on a bench of brecciated chert sprinkled with ruby-jack sphalerite crystals and one large sphalerite crystal. Ex. Mullane Collection.
14.4 x 10.0 x 7.1 cm. A showy and excellent cabinet combination specimen from the Santo Domingo Mine at Santa Eulalia, Mexico. Highly lustrous, twinned, black sphalerite crystals to 3.0 cm are mixed with a few splendent, "melted look", stepped-growth galena cubes. The prominent, open pit-looking galena crystal is 3.1 cm. This 3-dimensional specimen is very rich zinc-lead ore. Ex. Consie Prince dealer stock.
An interesting, starkly geometrical plate composed of quartz that has completely cast over and replaced fluorite . The quartz varies from 8 mm or so to several cm in thickness. The backside (negative cast) of the specimen is completely covered with sparkling sphalerite in a dense coating of small crystals, while the front has an ENTIRELY different sulfide deposition consisting of isolated galena crystals and isolated sphalerite crystals. Why the front and back should be so different, I hav eno idea. Anyways, though, it is darned neat to look at and is certainly an oldtimer! Ex. Scott Williams dealer stock, too. 14 x 13.1 x 2.5 cm
4.7 x 3.6 x 2.6 cm. An excellent and showy specimen of a ball-like cluster of highly lustrous, twinned and striated, jet-black sphalerite crystals perched atop galena from Naica, Mexico. The sphalerite cluster is pristine. Classic material. Ex. Joe Key Collection.
13.4 x 13.0 x 9.0 cm. An old-time, classic and showy cabinet combination specimen from the Joplin Field of the renowned Tri-State District. Four matte-finished, cubic to modified cubic, galena crystals to 3.3 cm are perched on a 3-dimensional, brecciated, silicified limestone matrix. A lustrous, 3.8 cm, twinned, black sphalerite crystal is protected beneath an overhang. Much of the matrix is coated with a showy combination of iridescent, lustrous, brassy, chalcopyrite pyramids on pastel-pink dolomite rhombs. Ex. Mullane Collection.
10.5 x 7.2 x 3.8 cm. A classic, old-time and showy cabinet galena specimen from the George Feist Collection. Metallic-bright galena cubes to 1.4 cm are richly and aesthetically scattered on the chert matrix plate. The plate is covered with sparkly, specular marcasite, with tiny sphalerite crystals.
4.2 x 3.8 x 3.7 cm. A splendent, really good, floater galena cube from the Sweetwater Mine of Missouri. The pristine, modified cube has striking, stepped growth faces and superb lustre for Viburnum Trend galena. Ex. George Feist Collection and mined in 1993.
MD-228525 - Rhodochrosite, Tetrahedrite, Quartz, Pyrite, Galena - - Archived
Sweet Home Mine (Home Sweet Home Mine), Mount Bross, Alma District, Park Co., Colorado, USA
small cabinet, 6.5 x 3.8 x 2.2 cm.
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6.5 x 3.8 x 2.2 cm. Richard Kosnar mined the Sweet Home for a few years during the late 1970's and collectwd some excellent Rhodochrosite specimens. This piece features translucent, pink crystals of rhombic Rhodochrosite up to 4 mm which are associated with Tetrahedrite, Quartz, Pyrite and Galena. Ex. Richard Kosnar Collection.
2.6 x 2.3 x 2.1 cm. The Camp Bird mine is one of the most classic San Juan Mountain localities, and is famous for its sulfides. Some of the most attractive and impressive sulfide association specimens are found in this mine along with the Idarado mine. This specimen features a few sharp, lustrous, cuboctahedral Galena crystals with minor black Sphalerite. An attractive thumbnail specimen from this classic San Juan Mountain locality in southwestern Colorado. Ex. Richard Kosnar Collection.
8.5 x 5.9 x 4.2 cm. A fine and aesthetic combination specimen from recent finds in the Madan District of Bulgaria. This upright piece consists of metallic-bright, spinel-twinned galena crystals to 2.6 cm nestled amongst a "forest" of water-clear quartz needles to 1.8 cm. An excellent, highly representative combination piece from the Krushev dol Mine.
14 x 13.8 x 4 cm. A fine combination piece of very rare Kalahari fields Galena, with lustrous Chalcopyrite, and sharp, fluorescent Calcites. The most massive Galena cluster, mixed with Chalcopyrite, is about 2 cm across. There is also Galena interspersed throughout the specimen. According to Charlie, only 5-6 galenas have been found in the Kalahari fields, so far as he knows. Ex. Charlie Key Collection.
3 x 1.7 x 1.5 cm. A fine specimen of Anglesite with gorgeous, lustrous, and gemmy amber-colored crystals on crystallized galena matrix. The largest crystal, 2 cm in length, is nearly doubly-terminated save only for a contact on one termination. The other crystals are equally fine. Ex. Charlie Key Collection.
12.3 x 9.5 x 8.8 cm. This old, mid-1900s galena crystal weighs over 7 pounds. It shows epitaxial growth (which means oriented growth of a later crystal generation upon the first). Remarkably, this huge crystal is complete, if asymmetric, all around. This seems to have fallen off in situ and then partially re-grown while in the pocket, making for crystallization faces all around. Ex. Harold Urish Collection.
4.6 x 2.2 x 1.7 cm. This is a fine crystal for the locality for symmetry and gemminess. It is doubly-terminated, and clings to the thin galena crystal which acts as a natural pedestal. Ex. Harold Urish Collection.
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Rob Lavinsky, rob@irocks.com
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