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Mineral Specimens with Silver
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A showy Batopilas silver etched from calcite with beautiful herringbone and spinel-twinned crystal shapes. This piece has multiple viewing angles and three are given. Ex Buranek Collection. 7.5 x 3.5 x 3.0 cm
3.2 x 2.8 x 0.3 cm. Beautifully curved and curled silver wires aesthetically attached to matrix from recent finds at this less well-known Chinese locality. The two large wires have a super sculptural aspect to them and all of the silvers have a very nice patina. As I recall, this piece was pictured at the time these started to first come out, either in a Lapis or MR issue.
7.0 x 4.3 x 2.0 cm. A fascinating looking wire silver and acanthite specimen from a new find at the Hongda Mine of China. This piece looks biomorphic or insect-like. The "body" and "tail" are a combination of silver and acanthite. The "head" and "legs" are thin to very stout, silver wires with a nice patina. The silver wire "legs" are aesthetic and dramatic. This piece bears strong resemblance to classic Kongsberg wire silvers.
4.2 x 3.9 x 2.1 cm. Several 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. Ex. Brian Kosnar Collection.
6 cm tall. Ex. A.K. Borland Collection.
A "half-breed" specimen of silver and copper from Michigan, with a stunning resemblance to a horse! So not only is this a Michigan classic, but a very unique one at that! 11.2 x 8.5 x 2 cm
5.1 x 3.3 x 0.7 cm. This is a fine Bolivian silver specimen. It is a fine, good sized group of wires forming a very attractive specimen. This is a fine large miniature specimen from a classic Bolivian locality. The mine at Porco is the oldest and most significant Silver mine in Bolivia.
5.0 x 4.2 x 2.5 cm. Exquisite "feathers" of spinel-twinned silver crystals aesthetically and richly cover both sides of the starkly contrasting calcite vein perched on matrix on this outstanding silver specimen from the Jaime Bird Collection. The crystals have a variable patina, which really adds character to this lovely piece. This piece is from the much less well-known New Hope Bay Mine of NW Terrritories, Canada.
4.5 x 4.1 x 2.8 cm. A fascinating looking wire silver and acanthite specimen from a new find at the Hongda Mine of China. A very fat, 2.5 cm long, beautifully burnished silver wire looks just like a horse’s head and neck or a bird’s head atop the thick nest of curved and curled silver wires. Massive acanthite is contacted onto the back of the silver.
4.0 x 3.1 x 1.4 cm. This piece came from a new find at Porco about 6 months ago (January 2009). A group of crystalline Silver with some pseudo-wire crystals forming a very attractive specimen. This is a good small 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.
3.4 x 0.6 x 0.4 cm. An artistic and aesthetic silver specimen from the Elura Mine of Australia. This tapered, doubly terminated grouping of spinel-twinned silver crystals a looks like lizard or a backbone with vertebrae. These came out in the early 1990s, with very few since. A very fine representation of classic silver crystals.
6.0 x 3.6 x 3.3 cm. Typically the Silver specimens from Bolivia are somewhat "flat" and boring, but this piece is quite aesthetic. It is a fine, good sized group of wires forming a very attractive specimen. This is a fine small cabinet 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.
4.5 x 1.8 x 1.8 cm. A fascinating-looking wire silver with minor acanthite specimen from a new find at the Hongda Mine of China. This aesthetic, elongate piece has a gorgeous nest of beautifully burnished, curved and curled wires in the middle of the piece. And the thick, curved, "tail" wire at one end really adds character. This piece bears strong resemblance to classic Kongsberg wire silvers.
2.6 x 1.7 x 1.0 cm. A classic, old-time thumbnail of elongated, sharp silver crystals with a nicely burnished silvery/coppery patina and highlighted by a bit of beautiful iridescence from the famous silver mines at Kongsberg. This two-sided piece is uncommonly well-crystallized and has seldom-seen iridescence for this historic locale. Ex. Peter Farquhar Collection.
A killer old Kongsberg piece from the Dr. Gary Hansen collection, complete with very old labels. Fine CRYSTALS of silver from Kongsberg, such as these, are of course even more rare than the fine wire silvers from this locality. The larger of the two branches protruding dramatically from the matrix is 2.3 cm in height (the actual WELL-FORMED crystal at the end of this branch is about 1.4 x 1.2 cm). It is for both intrinsic quality and historic pedigree an extremely desirable specimen. ex. Dr. Gary Hansen collection and not dealer stock - regardless, not shown since early 1980s. 7.5 x 5.1 x 2.8 cm
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Rob Lavinsky, rob@irocks.com
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