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Mineral Specimens with Silver
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11.0 x 5.8 x 1.8 cm. A superb, incredibly aesthetic example from this most treasured of old European classic Silver locales. This piece has a beautiful dark patina caused by a micro layer of acanthite coating, and an exquisite complexity to the rope as it twists and turns like a living thing. The piece is VERY sturdy despite its elegant look, and this is a solid piece that is not flexible or "bendy" like some German silvers of this size. Ex. Dr. Eugene Meieran, Evan Jones Collections.
5.3 x 3.9 x 1.1 cm. A LARGE and sculptural silver-copper "half-breed" from the famous Copper Country of the Keweenaw Peninsula, Michigan. The piece is around 75-80% silver, which is VERY UNCOMMON. Most half-breeds are over 50% copper. A weighty 74 grams or 2.6 ounces. Ex. Charles Hansen Collection.
2.4 x 1.8 x 1.6 cm. This VERY RICH silver ore thumbnail specimen consists of massive to microcrystalline chlorargyrite RICHLY invested with platy and blocky native silver. This is OLD-TIME material from the famous Creede District of Colorado and comes from the Dick Jones Collection.
3.5 x 2.7 x 2.1 cm. Mineral specimens from the famous Comstock Lode at Virginia City, Nevada are RARE today, even in museums. The remoteness of the locality and lack of "showy" specimens precluded high-graders, other than for rich ore. The bonanza silver ores were depleted by 1878. This OLD-TIME, VERY RICH silver ore consists of bright, wire to hackly silver crystals in a matrix that is nearly SOLID bromian chlorargyrite! A free-standing, 4 mm, gemmy, yellow-green chlorargyrite crystal jumps out on the back of the piece. There are even dark blebs of acanthite scattered about. According to the label, this CLASSIC and RARE specimen was mined in 1885 (according to a more modern label with it) and comes from the Carl Stentz Collection of Laguna Hills, California.
1.7 x 1.5 x 1.3 cm. Allan Young has won the prestigious Desautels Award for Best Rocks at the Tucson Show with thumbnails, such as this. This very aesthetic thumb consists of a super-sharp, matte, dark gray chalcocite crystal proudly perched upright on massive chalcocite matrix and beautifully wreathed on one side by two, curved silver wires.
9.9 x 8.7 x 0.4 cm. A fascinating old New Mexico silver specimen, a slice through a mixed-matrix ore. Locked inside the matrix, you can see the tree-like (dendritic) forms of native silver, which actually crystallized in these pretty forms rather than just being massive - which is normally what you see in these mine slices. Ex. Dave Stoudt collection.
7.5 x 4.3 x 3.4 cm. Bornite is a copper iron sulfide, and at this rich mine in Zacatecas, it is an important ore that sometimes had thin fissures that were sometimes found with these veins or leafs of native silver filling them. Here, the silver leaf has been excavated so that it stands up dramatically off the iridescent bornite that served as host, creating quite a dazzling specimen of native silver, from a classic Mexican locality. The silver leaf here measures over 6 cm from end to end. Ex. Martin Zinn Collection.
8.1 x 3.2 x 0.9 cm. Exhibiting superb dendritic growth, metallic-white color, and overall elegance, this Michigan silver even has contrasting green patina at the base of the specimen. It is a beautiful, arborescent piece from the collection of Lance Hampel.
7.7 x 4.8 x 4.5 cm. This old-time specimen appears to date back to the early part of the 19th century, perhaps the mid-1800s or earlier. Embedded in matrix are clear veins and spots of silver and one actual wire crystal which reaches .65 cm across, and with malachite in association! This is an incredible old piece of huge rarity! Ex. Academy of Natural Sciences Philadelphia and Samuel Ashmead Collections.
8.8 x 5.3 x 3.5 cm. A "spongy," but hefty lead-rich ore is the host for patches of silver, to 1.0 cm across, with good oxidation patina. The silver is associated with blebs of grayish-white cerussite. This old-time specimen appears to date back to the early part of the 19th century, perhaps the mid-1800s or earlier. Ex. Philadelphia Academy of Sciences Collection.
7.6 x 6.1 x 5.1 cm. A true classic from South America's most important ancient economic silver mine. The matrix of this rather hefty specimen is heavily included by patches of very visible silver wires that exhibit a wonderful, metallic-iridescent, patina. Sharp cubic crystals of acanthite to 1 cm on top are present, on massive acanthite ore. The mines at Colquechaca have been in operation for hundreds of years. Ex. Philadelphia Academy of Natural Sciences and William Vaux Collections.
5 x 3.5 x 1.7 cm. A rich old silver specimen from the mining district of the Northwest Territories in Canada. The silver is all crystallized, in an incredibly intricate lacy herringbone form. These came out in the 1940s-1950s.
4.6 x 3.8 x 0.7 cm. This piece came from a new find at Porco about 4 months ago. It is a good quality 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.
3.5 x 2.2 x 0.8 cm. A gorgeous, highly aesthetic silver wire loop covered with acanthite from Dzhezkazgan, Kazakhstan. The loop beautifully rests on coiled silver wires.
5.2 x 4.5 x 2.3 cm. An old-time silver-copper half-breed from the famous Quincy Mine of Michigan’s Copper Country. This showy piece is distinctly biomorphic, having a silver "head" with open jaws and a curled tail and hind legs. Green epidote adds a very nice accent. Ex. John Ydren Collection.
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Rob Lavinsky, rob@irocks.com
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share specimen![Silver, Acanthite from Kongsberg Silver Mining District, Kongsberg, Buskerud, Norway [db_pics/mdpics/MD-164090a.jpg]](db_pics/mdpics/MD-164090a.jpg)
![Silver, Copper from Keweenaw Co., Michigan, USA [db_pics/mdpics/MD-165241a.jpg]](db_pics/mdpics/MD-165241a.jpg)
![Chlorargyrite, Silver from Creede, Creede District, Mineral Co., Colorado, USA [db_pics/mdpics/MD-165816a.jpg]](db_pics/mdpics/MD-165816a.jpg)
![Silver, Acanthite, Chlorargyrite (Var: Bromian Chlorargyrite) from Comstock Lode, Comstock District, Storey Co., Nevada, USA [db_pics/mdpics/MD-166918a.jpg]](db_pics/mdpics/MD-166918a.jpg)
![Silver, Acanthite, Chlorargyrite (Var: Bromian Chlorargyrite) from Comstock Lode, Comstock District, Storey Co., Nevada, USA [db_pics/mdpics/MD-166918b.jpg]](db_pics/mdpics/MD-166918b.jpg)
![Chalcocite, Silver from Dzhezkazgan Mine (Zhezkazgan Mine), Dzhezkazgan, Zhezqazghan Oblysy (Dzezkazgan Oblast'; Dzhezkazgan Oblast'; Djezkazgan Oblast'; Jezkazgan Oblast'), Kazakhstan [db_pics/mdpics/MD-166985a.jpg]](db_pics/mdpics/MD-166985a.jpg)
![Silver, Ankerite, Siderite, Hemimorphite from Grub Mine, Silver City, Grant Co., New Mexico, USA [db_pics/mdpics/MD-170690a.jpg]](db_pics/mdpics/MD-170690a.jpg)
![Silver, Bornite from Noria Mine, San Pantaleón de la Noria (La Noria de San Pantaleón; Noria de la Pentalón), Mun. de Sombrerete, Zacatecas, Mexico [db_pics/mdpics/MD-171549a.jpg]](db_pics/mdpics/MD-171549a.jpg)
![Silver from White Pine Mine, White Pine, Ontonagon Co., Michigan, USA [db_pics/mdpics/MD-171911a.jpg]](db_pics/mdpics/MD-171911a.jpg)
![Silver from Washington Mine, Silver Hill Mine, Silver Hill, Cid District, Carolina Slate Belt, Davidson Co., North Carolina, USA [db_pics/mdpics/MD-171924a.jpg]](db_pics/mdpics/MD-171924a.jpg)
![Silver, Cerussite from King's Mine, Silver Hill Mine, Silver Hill, Cid District, Carolina Slate Belt, Davidson Co., North Carolina, USA [db_pics/mdpics/MD-171925a.jpg]](db_pics/mdpics/MD-171925a.jpg)
![Silver, Cerussite from King's Mine, Silver Hill Mine, Silver Hill, Cid District, Carolina Slate Belt, Davidson Co., North Carolina, USA [db_pics/mdpics/MD-171925b.jpg]](db_pics/mdpics/MD-171925b.jpg)
![Silver, Cerussite from King's Mine, Silver Hill Mine, Silver Hill, Cid District, Carolina Slate Belt, Davidson Co., North Carolina, USA [db_pics/mdpics/MD-171925c.jpg]](db_pics/mdpics/MD-171925c.jpg)
![Silver, Acanthite from Colquechaca (Aullagas), Chayanta Province, Potosí Department, Bolivia [db_pics/mdpics/MD-171930a.jpg]](db_pics/mdpics/MD-171930a.jpg)
![Silver, Acanthite from Colquechaca (Aullagas), Chayanta Province, Potosí Department, Bolivia [db_pics/mdpics/MD-171930b.jpg]](db_pics/mdpics/MD-171930b.jpg)
![Silver from El Bonanza Mine, Port Radium, Great Bear Lake, Mackenzie District, Northwest Territories, Canada [db_pics/mdpics/MD-171996a.jpg]](db_pics/mdpics/MD-171996a.jpg)
![Silver from Porco, Agua de Castilla, Antonio Quijarro Province, Potosí Department, Bolivia [db_pics/mdpics/MD-172107a.jpg]](db_pics/mdpics/MD-172107a.jpg)
![Silver, Acanthite from Dzhezkazgan Mine (Zhezkazgan Mine), Dzhezkazgan, Zhezqazghan Oblysy (Dzezkazgan Oblast'; Dzhezkazgan Oblast'; Djezkazgan Oblast'; Jezkazgan Oblast'), Kazakhstan [db_pics/mdpics/MD-172396a.jpg]](db_pics/mdpics/MD-172396a.jpg)
![Silver, Copper from Quincy Mine, Hancock, Houghton Co., Michigan, USA [db_pics/mdpics/MD-172421a.jpg]](db_pics/mdpics/MD-172421a.jpg)