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MD-112571 - Jarosite - - Archived Chihuahua, Mexico small cabinet, 5.7 x 5 x 2.6 cm
This piece has dozens of lustrous, deep red-colored crystals to 1 cm. They are VERY large and sharp for the species. This is a rich specimen from a small pocket found in the 1980s that I know many people value as the best-of-species find. Dr. JP Goodell was going through the dumps on this old defunct mine, when he found the small pocket. The best specimens found their way quickly into prominent collections (for instance, the story is given in the Barlow book, page 349). I have seen only 4 pieces turn up over the last ten years, from this pocket. 5.7 x 5 x 2.6 cm
MD-112572 - Jarosite - - Archived Christiana Mine, Kamariza Mines (Kamareza Mines), Agios Konstantinos [St Constantine] (Kamariza), Lavrion District Mines, Lavrion (Laurion; Laurium) District, Attikí (Attica; Atti miniature, 4.5 x 4.2 x 3.3 cm
A sparkling specimen completely covered by microcrystallized jarosite and another white mineral, probably calcite. Very rich , overall! 4.5 x 4.2 x 3.3 cm
MD-143245 - Jarosite - - Archived Sierra Peña Blanca, Peña Blanca District, Mun. de Aldama, Chihuahua, Mexico small cabinet, 5.8 x 5.3 x 2.6 cm.
5.8 x 5.3 x 2.6 cm. A superb specimen featuring many lustrous reddish-brown crystals of Jarosite, from the famous 1980's find that produced some of the best crystals of the species (see Barlow book page 349 for referent). The largest crystal is highly lustrous and about 6mm on edge. A world-class specimen. Ex. Charlie Key stock.
MD-169896 - Jarosite - - Archived Sierra Peña Blanca, Peña Blanca District, Mun. de Aldama, Chihuahua, Mexico small cabinet, 6.1 x 4.3 x 1.5 cm.
6.1 x 4.3 x 1.5 cm. Almost completely covering its matrix is a cluster of reddish-brown jarosite crystals exhibiting a waxy luster. The crystals reach .7 cm across and are composed of potassium, iron sulfate. This species is rarely found on the market and crystals such as this, from a small find at this remote uranium mine, are considered by most people to have been the world's best. They came out twice, once from the mine itself and once from the dumps. Ex. James Zigras Collection.
MD-177553 - Jarosite - - Archived Bristol Silver Mines Inc., Bristol and Jackrabbit Districts, Lincoln Co., Nevada, USA small cabinet, 5.8 x 5.7 x 4.5 cm.
5.8 x 5.7 x 4.5 cm. An old specimen of Jarosite from a little known locality. The jarosite forms as red microcrystals normally, and thus this specimen may be jarosite pseudo after calcite, or heavily investing an original mass of calcite crystals, due to the form and weight.
MD-202065 - Jarosite - - Archived Huanuni mine, Huanuni, Dalence Province, Oruro Department, Bolivia cabinet, 13.1 x 9.6 x 7.4 cm.
13.1 x 9.6 x 7.4 cm. This rich piece has protected vugs all over it with sharp, lustrous crystals of jarosite. This is one of two specimens apparently found together and retrieved during (going by the number system) the 3rd or 4th Vaux expedition to Bolivia in the late 1930s. Accompanied by the original label from the Vaux collection at the Academy. Ex. Academy of Natural Sciences Philadelphia Collection.
MD-202068 - Jarosite - - Archived Huanuni mine, Huanuni, Dalence Province, Oruro Department, Bolivia small cabinet, 8.6 x 6.4 x 4.1 cm.
8.6 x 6.4 x 4.1 cm. This rich piece has protected vugs all over it with sharp , lustrous crystals of jarosite. This is one of two specimens apparently found together and retrieved during (going by the number system) the 3rd or 4th Vaux expedition to Bolivia in the late 1930s. Ex. Academy of Natural Sciences Philadelphia Collection.
MD-258616 - Jarosite - - Archived Goldfield District, Esmeralda Co., Nevada, USA small cabinet, 6.6 x 5.3 x 3.6 cm.
6.6 x 5.3 x 3.6 cm. This is a rare potassium, iron, sulfate, hydroxide usually found in arid environments, such as Goldfield. In this case, we have a sparkling druse of reddish-brown, crystals on a pitted, vuggy matrix. Ex. Richard Hauck Collection.
MD-34304 - Jarosite - - Archived Sierra Peña Blanca, Peña Blanca District, Mun. de Aldama, Chihuahua, Mexico small cabinet, 5.6 x 3.1 x 1.6 cm
This specimen has unusually large, well-formed, sharp crystals to over 1 cm, and is part of the piece illustrated in Barlow's book on page 349 (I trimmed that specimen when i bought it in 1998 and just got this half back in a collection purchase, funny enough). It has a long history dating to a one-time find on the mine dumps in the 1980s. These are regarded as among the best of species. 5.6 x 3.1 x 1.6 cm
MRZ155 - Jarosite - $ 800 Sierra Pena Blanca Uranium Mine, near Aldama, Chihuahua, Mexico miniature, 5.7 x 5 x 2.6 cm ex. Martin Zinn
This piece has dozens of lustrous, deep red-colored crystals to 1 cm. They are VERY large and sharp for the species. This is a rich specimen from a small pocket found in the 1980s that I know many people value as the best-of-species find. Dr. JP Goodell was going through the dumps on this old defunct mine, when he found the small pocket. The best specimens found their way quickly into prominent collections (for instance, the story is given in the Barlow book, page 349). I have seen only 4 pieces turn up over the last ten years, from this pocket.
MRZ164 - Jarosite - $ 75 SOLD Christiana Mine, Laurion, Greece miniature, 4.5 x 4.2 x 3.3 cm ex. Martin Zinn
A sparkling specimen completely covered by microcrystallized jarosite and another white mineral, probably calcite. Very rich , overall!
PAS-129 - Jarosite & Natrojarosite (Utahite) - SOLD Centennial Eureka Mine, Tintic District, East Tintic Mts, Juab Co., Utah, USA small cabinet, 9.4 x 6.2 x 2.5 cm ex. Philadelphia Academy of Natural Sciences
"Utahite" came from only a small find in Utah, and this is a very old specimen from the type locality, featuring minute blue microcrystals on matrix with malachite, barite, and gods know what else - probably a whole schmear of microcrystallized rare copper minerals here! To confuse matters more, the name was discredited and this material was then shown to be jarosite/natrojarosite; and a NEW species named Utahite was then christened afterwards. This old "utahite" was a combination of jarosite or natrojarosite (this is way too old to be the newer species utahite). I don't know what the hell all this copper-rich stuff is, but it is really interesting as a historic specimen and from a great locality, and worth further study to somebody with the resources to pursue analysis.
PAS-169 - Jarosite - $ 1250 SOLD Huanuni mine, Huanuni, Dalence Province, Oruro Department, Bolivia cabinet, 13.1 x 9.6 x 7.4 cm ex. Philadelphia Academy of Natural Sciences
This rich piece has protected vugs all over it with sharp , lustrous crystals of jarosite. One of two extremely rare specimens of jarosite, a complex iron sulfate, from the world's richest cassiterite-mining deposit. This is one of two specimens apparently found together and retrieved during (going by the number system) the 3rd or 4th Vaux expedition to Bolivia in the late 1930s. Comes with original label from the Vaux collection at the Academy.
PAS-170 - Jarosite - SOLD Huanuni mine, Huanuni, Dalence Province, Oruro Department, Bolivia small cabinet, 8.6 x 6.4 x 4.1 cm ex. Philadelphia Academy of Natural Sciences
This rich piece has protected vugs all over it with sharp , lustrous crystals of jarosite. One of two extremely rare specimens of jarosite, a complex iron sulfate, from the world's richest cassiterite-mining deposit. This is one of two specimens apparently found together and retrieved during (going by the number system) the 3rd or 4th Vaux expedition to Bolivia in the late 1930s. Comes with a color copy of the one original label which came with both pieces, from the Vaux collection at the Academy.
RARE08-16 - Jarosite - $ 950 Sierra Pena Blanca, Chihuahua, Mexico small cabinet, 6.1 x 4.3 x 1.5 cm
Almost completely covering its matrix, is a cluster of reddish-brown, jarosite crystals exhibiting a waxy luster. The crystals reach .7 cm across and are composed of potassium, iron, sulfate. This species is rarely found in dealers stocks and crystals such as this, from a small find at this remote uranium mine, are considered by most people to have been the world's best. They came out twice, once from the mine itself and once from the dumps, as I understand it. ex James Zigras Collection.
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![Jarosite - Christiana Mine, Kamariza Mines (Kamareza Mines), Agios Konstantinos [St Constantine] (Kamariza), Lavrion District Mines, Lavrion (Laurion; Laurium) District, Attikí (Attica; Atti](db_pics/mdpics/MD-112572a.jpg)
