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Mineral Specimens with Silver
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3.5 x 2.6 x 1.8 cm. Dozens of small, sharp, sparkling, bright, elongated, dendritic Silver crystals sit atop a matrix of white Calcite. This specimen came out recently when a local collector was able to liberate some specimens from the dumps of this historic mine. The Balcoll Mine was worked as far back as the middle ages, so the fact that anything remained (even on the dumps) is amazing. A beautiful specimen with great character and aesthetics. Ex. Brian Kosnar Collection.
An unusually thick silver rope from this locality, with a wonderful patina that shows off yellow and reddish flashes of iridescence! SUPERB thumbnail for ANY locality let alone an old Colorado one. 1.6 x 1 x 0.4 cm
5.2 x 4.8 x .5 cm. Attractive, iridescent leaf of Silver, with a brilliant and iridescent oxidation patina. Old material, from the Golconda Mine. The bright luster and nice form give it great eye appeal. Weighs about 13 grams. Very good for the locality. Ex. Charlie Key.
15.1 x 6.1 x 4.6 cm. This piece came from a new find at Porco about 8 months ago (2009). It is to the best of my knowledge, the best piece from the find, and I have seen virtually every piece that came out. This piece is a superb and is one of the most unique Silver specimens I have seen from Bolivia. It is a great fine group of crystalline Silver with some pseudo-wires forming a very attractive, three dimensional, branching specimen. The piece is associated with sparkling, micro Quartz, and reddish-brown Sphalerite. The mine at Porco is the oldest and most significant Silver mine in Bolivia, and obtaining specimens is next to impossible because miners rarely bring out anything for sale, as the mine is a large commercial production, and virtually everything goes into the crusher. Most everything that evades the crusher is usually taken out of Bolivia by a geologist who has an "in" at the mine, or sometimes a group of brave miners risk losing their jobs by sneaking out a handful of specimens to raise a little extra money to feed their families. I obtained this piece directly from the miners at Porco a few months ago.
An extremely rich specimen of elegant silver wires and ropes literally erupting from a heavy silver-quartz matrix. In person, the contrast between the silver and the sparkling quartz druse filling the middle of the specimen is really quite striking and unusual. It is a rich, hefty piece for the price! 11.6 x 7.1 x 7 cm
14.1 x 10.2 x 7.1 cm. This is a tower of silver, completely covered with exquisite crystallization 360-degrees around. It is the best piece from an old stash of these East German classics, put together during the days when the Soviets mined the place. The Pohla silvers are known for their extremely photogenic herringbone-like crystallization, which you see here in all its intricate beauty. The silver is embedded in massive matrix of silver and arsenic ore. This piece has a huge display face, just covered with good quality silver all around, 360-degrees. It is very attractive.
4.1 x 2.5 x 2.5 cm. Ernie Schlichter had a well-known Michigan copper country collection, from which this is one of the choice silver miniatures. It is much more elegant than most Michigan silvers you normally see, because of the sharp crystallization and stark isolation of those crystals on contrasting matrix. It shows several habits of silver crystals, you will note, including the rare elongated spinel twin. Ex. Ernie Schlichter Collection.
4.8 x 3.5 x 1.4 cm. A sculptural, very beautiful wire silver combination specimen from the historic mines at Pribram. The piece looks like a bird with a large beak. The "beak" is composed of thick, intergrown, silver wires coated with acanthite and is attached to a "head" of quartz. The banded neck and chest area is highlighted by lustrous ruby-jack sphalerite crystals, sparkly pyrite microcrystals and more acanthite-coated silver. The lower part of the "bird's" body is matrix. Truly an aesthetic, old-time wire silver combination specimen from this noted locale. Ex. Marty Lewadny Collection.
5.5 x 3.2 x 1.2 cm. This piece came from a new find at Porco about 8 months ago (2009). It is a fine group of crystalline Silver with some pseudo-wire crystals forming a very attractive specimen. This is a good miniature specimen from a classic Bolivian locality. The mine at Porco is the oldest and most significant Silver mine in Bolivia, and obtaining specimens is next to impossible because miners rarely bring out anything for sale, as the mine is a large commercial production, and virtually everything goes into the crusher. Most everything that evades the crusher is usually taken out of Bolivia by a geologist who has an "in" at the mine, or sometimes a group of brave miners risk losing their jobs by sneaking out a handful of specimens to raise a little extra money to feed their families. I obtained this piece directly from the miners at Porco a few months ago.
3.2 x 1.9 x 1.1 cm. An interesting group of silver wires up to 2.2cm long. The wires have a bright metallic luster and have small crystal growths along the sides. These silver specimens are very difficult to find at shows today. Ex. Richard Hauck Collection.
6.6 x 4.7 x 1.2 cm. These specimens are some of the most easily recognizable, dramatic and highly sought after Silver specimens from the Western Hemisphere. This superb specimen is the finest example of this specific type of these specimens that I have handled. It is an outstanding piece filled with bright, sharp, Spinel-law twinned, "Herringbone"-style Silver crystals forming a "fan" or "sail"-shaped specimen. These classic "sails" are part of what makes Batopilas such a great locality. They are immediately distinguished from all other Silver specimens around the world. Overall, this is a highly attractive classic Silver specimen from this important Mexican locality.
3.6 x 2.0 x 0.5 cm. The famous mines at Chanarcillo, Chile produced a rich array of beautiful silver-related species. This aesthetic "feather" of elongated, spinel-twinned silver crystals is a classic Chanarcillo habit. Tiny acanthite crystals richly pepper the feather, and the pod of attached matrix are striking accents. Undoubtedly century-old material, but no proof. Ex. Dr. Joan Massague Collection.
3.8 x 2.8 x 2.7 cm. A very rich and fine silver ore specimen consisting of nicely burnished, hackly silver wires with dark gray, massive acanthite in a quartz matrix from the Uchucchacua Mine of Peru. Very little new material has come out in the last few years. Ex. Wes Parker Collection. Weighs 44 grams.
6.3 x 4.2 x 3.7 cm. Beautifully burnished tiny silver wires are nicely scattered in clusters or as a stringer in the eerily iridescent purple bornite on this fine combination specimen from the famous San Martin Mine of Mexico. The thin vein of starkly contrasting white calcite is a super accent. It is always interesting and informative, that the mine level is known (Level 17). Ex. Wes Parker Collection.
4.9 x 3.7 x 1.2 cm. A 1.8 cm, gorgeous, beautifully burnished, curved and curled, silver wire is very aesthetically set on a matrix plate of light gray calcite and accented with iridescent bornite on this most excellent specimen from the less well-known Sabino Mine of Zacatecas. A classic and very fine Zacatecas silver combination specimen from the Wes Parker Collection.
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Rob Lavinsky, rob@irocks.com
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share specimen![Silver, Calcite from Balcoll Mine, Falset, Priorat, Tarragona, Catalonia, Spain [db_pics/mdpics/MD-271582a.jpg]](db_pics/mdpics/MD-271582a.jpg)
![Silver, Calcite from Balcoll Mine, Falset, Priorat, Tarragona, Catalonia, Spain [db_pics/mdpics/MD-271582b.jpg]](db_pics/mdpics/MD-271582b.jpg)
![Silver, Calcite from Balcoll Mine, Falset, Priorat, Tarragona, Catalonia, Spain [db_pics/mdpics/MD-271582c.jpg]](db_pics/mdpics/MD-271582c.jpg)
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![Silver from Pöhla, Schwarzenberg District, Erzgebirge, Saxony, Germany [db_pics/mdpics/MD-274929b.jpg]](db_pics/mdpics/MD-274929b.jpg)
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![Silver from Porco, Agua de Castilla, Antonio Quijarro Province, Potosí Department, Bolivia [db_pics/mdpics/MD-275110a.jpg]](db_pics/mdpics/MD-275110a.jpg)
![Silver from Porco, Agua de Castilla, Antonio Quijarro Province, Potosí Department, Bolivia [db_pics/mdpics/MD-275110b.jpg]](db_pics/mdpics/MD-275110b.jpg)
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![Silver from Batopilas, Andres del Rio District, Mun. de Batopilas, Chihuahua, Mexico [db_pics/mdpics/MD-280341b.jpg]](db_pics/mdpics/MD-280341b.jpg)
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![Silver from Chañarcillo, Copiapó Province, Atacama Region, Chile [db_pics/mdpics/MD-282198b.jpg]](db_pics/mdpics/MD-282198b.jpg)
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![Silver, Bornite from San Martín Mine, San Martín, Mun. de Sombrerete, Zacatecas, Mexico [db_pics/mdpics/MD-282229a.jpg]](db_pics/mdpics/MD-282229a.jpg)
![Silver, Bornite from San Martín Mine, San Martín, Mun. de Sombrerete, Zacatecas, Mexico [db_pics/mdpics/MD-282229b.jpg]](db_pics/mdpics/MD-282229b.jpg)
![Silver, Bornite, Calcite from San Martín Mine, San Martín, Mun. de Sombrerete, Zacatecas, Mexico [db_pics/mdpics/MD-282239a.jpg]](db_pics/mdpics/MD-282239a.jpg)
![Silver, Bornite, Calcite from San Martín Mine, San Martín, Mun. de Sombrerete, Zacatecas, Mexico [db_pics/mdpics/MD-282239b.jpg]](db_pics/mdpics/MD-282239b.jpg)