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Mineral Specimens with Silver
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3.4 x 3.0 x 1.7 cm. Beautifully burnished, curved and curled silver wires are very aesthetically perched on matrix of metallic-bright acanthite and quartz from a new find at the Hongda Mine of China. This piece bears strong resemblance to classic Kongsberg wire silvers.
3.5 x 3.2 x 1.3 cm. This piece came from a new find at Porco about 8 months ago (2009). It is a good quality group of crystalline Silver with some pseudo-wires forming an interesting specimen. This is a good toenail 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.
7.0 x 6.3 x 3.4 cm. This is a hefty specimen of basically ore, though it has specks of silver on the surface and so is in fact a rare silver ore specimen, from Bisbee. From the well-known Tucson collection of 40-year collector, Harold Urish.
9.0 x 8.8 x 0.5 cm. A fantastic and historic slabbed specimen of Gold (var "Electrum") from the famous Idarado mine (650 Level, Tomboy Vein). The Gold has a lustrous, bright, metallic appearance, and stands out beautifully against the snow-white Quartz and black Sphalerite matrix. It was collected by Andy Sutyak of Ouray, Colorado in 1927. The piece later went to Clancy Fleetwood (Brian Kosnar's great-grandfather), and in 1984 became part of the famous Colorado mineral collection of Richard Kosnar, whose hand-painted catalogue number (G1084Tb) is on the bottom of the specimen. Ex. Richard Kosnar Collection.
3.0 x 0.7 x 0.5 cm (Largest). An excellent 3-piece set of artistic and aesthetic silver specimens from the Elura Mine of Australia. These tapered, doubly terminated groupings of spinel-twinned silver crystals look like quills, feathers or swords. Both of the larger, sword-like crystals are slightly folded, giving the appearance of hollows or grooves. These came out in the late 1980s, with very few since. A very fine representation of classic silver crystals.
4.4 x 3.4 x 1.4 cm. Smaltite is the arsenic-deficient variety of skutterudite and is quite uncommon worldwide and is rare in display-quality specimens. This is a very rich, sculptural and aesthetic specimen of bubbly/botryoidal, very sparkly, silvery-bright smaltite microcrystals on a thick vein of native silver. This is exceptional quality material from the renowned Cobalt-Gowganda area of Ontario. Weighs 49 grams.
12.4 x 7.8 x 5.3 cm. A dramatic, sculptural cabinet specimen covered with gorgeous and thick nests of brightly burnished, curled and curved silver wires set on a knobby matrix of solid, crudely crystallized acanthite from a recent find at the Imiter Mine of Morocco. The silver wires in the multitude of nests are a marvel to behold. Weighs 546 grams or 1.2 pounds.
A specimen literally covered with sparkling electrum crystals (electrum being a gold with a high percentage of silver included as an amalgam). This piece is from the George Kunz collection via Harvard Univeristy's mineralogical museum. 5 x 3.5 x 1.2 cm
This is a stellar miniature with decidedly unusual aesthetics. It consists of extremely sharp silver crystals to just over 1 cm, perched on a calcite. It did come out of the Sorbonne via Gilbert Gauthier, though the label which once attested to this from Gilbert has been lost by an intermediate collector I sold this to some years ago, and so i have lowered the price a bit to compensate. KEEP YOUR LABELS! 3.0 x 2.8 x 2.5 cm
A very rare kongsberg-style rope silver from Bolivia! This one, with elegant, thick, ropy wires, could EASILY pass for a Kongsberg in fact...if i wasn't entirely sure it WAS Bolivia, as I got it from a direct source down there, and it came from an old collection with no label, well I'd probably have felt confident enough to label it as Kongsberg. 5.3 x 2.6 x 0.1 cm
THis specimen showcases classic, thick, ropy Kongsberg silver but it is that rare piece with a somewhat solid base to it, of massive silver and argentite. I particularly like the elegance of the arborescent wire, and that it can be viewed from all sides quite nicely 4.4 x 3.5 x 3.4 cm
3.5 x 1 x 0.6 cm. A sculptural, very aesthetic and wide, flattened, curved and twisted silver wire from the historic mines at Kongsberg. The bit of calcite at the base and dusting of acanthite are beautiful compliments to this classic, old-timer. This is an excellent miniature example of a super famous locale.
This elegant wire silver specimen is CLASSIC for the locality, and is very "classy" in its appareance as well. It is undoubtedly a very old specimen, and has a great patina too. It is in a price range that will make it very affordable for somebody who has always wanted a good one. Despite the fact that he had many more expensive and larger pieces, Barlow chose to illustrate our little miniature here in his book, plate 9-13, as one of the few examples shown of the classwic Freiberg style. 3.4 x 3.3 x 2.6 cm
2.8 x 2.1 x 2.1 cm. A fine, dense nest of spinel-twinned silver crystals with a nice patina and a bit of calcite from the 1980s finds at the historic New Nevada Mine at Batopilas. The protruding "feathers" are a very nice accent.
This is a remarkable silver "rope" from this classic locality that is now closed and gone forever. It was one of thos efunny stories in mining that you hear about and cannot believe - they actually mined this silver form an islet in the Great Lakes, that is now long since closed and flooded. Verifiable silver islet specimens are few and far between, and this would be considered a large one, indeed. It came to me through dealer Rod Tyson who obtained it directly from the heirs of a mine captain named Trethewey a few years ago up in Ontario. 5.5 cm
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Rob Lavinsky, rob@irocks.com
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share specimen![Silver, Acanthite, Quartz from Hongda Mine, Xiaoqinggou Ag-Mn deposit, Lingqiu Co., Datong Prefecture, Shanxi Province, China [db_pics/mdpics/MD-282557a.jpg]](db_pics/mdpics/MD-282557a.jpg)
![Silver from Porco, Agua de Castilla, Antonio Quijarro Province, Potosí Department, Bolivia [db_pics/mdpics/MD-282572a.jpg]](db_pics/mdpics/MD-282572a.jpg)
![Silver from Campbell Mine (Campbell shaft), Bisbee, Warren District, Mule Mts, Cochise Co., Arizona, USA [db_pics/mdpics/MD-284712a.jpg]](db_pics/mdpics/MD-284712a.jpg)
![Silver from Campbell Mine (Campbell shaft), Bisbee, Warren District, Mule Mts, Cochise Co., Arizona, USA [db_pics/mdpics/MD-284712b.jpg]](db_pics/mdpics/MD-284712b.jpg)
![Gold (Var: Electrum), Quartz, Sphalerite from Idarado Mine, Telluride, Ouray District (Uncompahgre District), San Miguel Co., Colorado, USA [db_pics/mdpics/MD-284845a.jpg]](db_pics/mdpics/MD-284845a.jpg)
![Gold (Var: Electrum), Quartz, Sphalerite from Idarado Mine, Telluride, Ouray District (Uncompahgre District), San Miguel Co., Colorado, USA [db_pics/mdpics/MD-284845b.jpg]](db_pics/mdpics/MD-284845b.jpg)
![Gold (Var: Electrum), Quartz, Sphalerite from Idarado Mine, Telluride, Ouray District (Uncompahgre District), San Miguel Co., Colorado, USA [db_pics/mdpics/MD-284845c.jpg]](db_pics/mdpics/MD-284845c.jpg)
![Silver from Elura Mine (Endeavor Mine), Booroondarra, Cobar, Robinson Co., New South Wales, Australia [db_pics/mdpics/MD-285106a.jpg]](db_pics/mdpics/MD-285106a.jpg)
![Skutterudite (Var: Smaltite), Silver from Cobalt-Gowganda region, Timiskaming District, Ontario, Canada [db_pics/mdpics/MD-285129a.jpg]](db_pics/mdpics/MD-285129a.jpg)
![Skutterudite (Var: Smaltite), Silver from Cobalt-Gowganda region, Timiskaming District, Ontario, Canada [db_pics/mdpics/MD-285129b.jpg]](db_pics/mdpics/MD-285129b.jpg)
![Skutterudite (Var: Smaltite), Silver from Cobalt-Gowganda region, Timiskaming District, Ontario, Canada [db_pics/mdpics/MD-285129c.jpg]](db_pics/mdpics/MD-285129c.jpg)
![Silver, Acanthite from Imiter Mine, Boumalne-Dadès, Ouarzazate Province, Souss-Massa-Draâ Region, Morocco [db_pics/mdpics/MD-285143a.jpg]](db_pics/mdpics/MD-285143a.jpg)
![Silver, Acanthite from Imiter Mine, Boumalne-Dadès, Ouarzazate Province, Souss-Massa-Draâ Region, Morocco [db_pics/mdpics/MD-285143b.jpg]](db_pics/mdpics/MD-285143b.jpg)
![Gold, Gold (Var: Electrum) from Falun, Dalarna, Sweden [db_pics/mdpics/MD-33959a.jpg]](db_pics/mdpics/MD-33959a.jpg)
![Silver, Calcite from Kongsberg, Buskerud, Norway [db_pics/mdpics/MD-34565a.jpg]](db_pics/mdpics/MD-34565a.jpg)
![Silver from Porco, Agua de Castilla, Antonio Quijarro Province, Potosí Department, Bolivia [db_pics/mdpics/MD-34566a.jpg]](db_pics/mdpics/MD-34566a.jpg)
![Silver from Kongsberg Silver Mining District, Kongsberg, Buskerud, Norway [db_pics/mdpics/MD-34567a.jpg]](db_pics/mdpics/MD-34567a.jpg)
![Silver from Kongsberg, Buskerud, Norway [db_pics/mdpics/MD-34568a.jpg]](db_pics/mdpics/MD-34568a.jpg)
![Silver from Himmelsfürst Mine, Brand-Erbisdorf, Freiberg District, Erzgebirge, Saxony, Germany [db_pics/mdpics/MD-34569a.jpg]](db_pics/mdpics/MD-34569a.jpg)
![Silver, Calcite from New Nevada Mine (Nevada Valenciana), Cerro San Antonio, San Miguel, Batopilas, Andres del Rio District, Mun. de Batopilas, Chihuahua, Mexico [db_pics/mdpics/MD-34570a.jpg]](db_pics/mdpics/MD-34570a.jpg)
![Silver, Calcite from New Nevada Mine (Nevada Valenciana), Cerro San Antonio, San Miguel, Batopilas, Andres del Rio District, Mun. de Batopilas, Chihuahua, Mexico [db_pics/mdpics/MD-34570b.jpg]](db_pics/mdpics/MD-34570b.jpg)
![Silver, Calcite from New Nevada Mine (Nevada Valenciana), Cerro San Antonio, San Miguel, Batopilas, Andres del Rio District, Mun. de Batopilas, Chihuahua, Mexico [db_pics/mdpics/MD-34570c.jpg]](db_pics/mdpics/MD-34570c.jpg)
![Silver from Silver Islet mine, Silver Islet, Sibley Township, Thunder Bay District, Ontario, Canada [db_pics/mdpics/MD-34573a.jpg]](db_pics/mdpics/MD-34573a.jpg)