| Home Page | Log In | Message Board | The Mindat Directory |
| Register | Search Pages | Chat Now! (2 online) | Mindat Auctions |
|
|
|
| |
|
Santa Elena Mine, La Alcaparrosa, San Juan, Argentina Santa Elena mine is a classic locality for these minerals, described by Samuel Gordon. The only samples taken from this closed mine and brought to the public were taken by Jorge Dascal (Patagonia Minerals). According to Alfredo Petrov's article in Mineral News magazine, the minerals are completely stable. |
| © Jorge Dascal | Photo ID: 68018 View Count: 397 |
| |
|
Santa Elena Mine, La Alcaparrosa, San Juan, Argentina 8.2 x 5.1 x 5 cm. According to the collector, this was his best larger specimen. It is extremely rich with vugs and clusters of botrygen all over it. On its own, aside from the rarity, it is a colorful and unusual piece. Particularly colorful is the central radial spray of botrygen crystals to 2 cm, covered on their terminations by the rolling ... |
| © Rob Lavinsky | Photo ID: 147973 View Count: 126 |
Botryogen : MgFe3+[OH|(SO4)2] · 7H2O, Copiapite : Fe2+Fe3+4[OH|(SO4)3]2 · 20H2O, Butlerite : Fe3+[OH|SO4] · 2H2O, Parabutlerite : Fe3+[OH|SO4] · 2H2O | |
|
Santa Elena Mine, La Alcaparrosa, San Juan, Argentina 4.5 x 3.4 x 2.4 cm. This is a superb specimen composed of almost solid botrygen in the form of the huge crystals which makes this find so phenomenal. The sharpest crystals atop are to almost 1 cm, but they rest on swept-back, bladed crystals to 2 cm and more. Another cluster of freestanding crystals on the back features a 1.5 cm doubly-terminated ... |
| © Rob Lavinsky | Photo ID: 147969 View Count: 116 |
Botryogen : MgFe3+[OH|(SO4)2] · 7H2O, Copiapite : Fe2+Fe3+4[OH|(SO4)3]2 · 20H2O, Butlerite : Fe3+[OH|SO4] · 2H2O, Parabutlerite : Fe3+[OH|SO4] · 2H2O | |
|
Santa Elena Mine, La Alcaparrosa, San Juan, Argentina 5.7 x 4.1 x 2.5 cm. This specimen features a super red-colored crystal of 1.3 cm with one of the most lustrous faces of the lot, facing front. It is embedded in matrix of minutely crystallized Parabutlerite with other associated species. |
| © Rob Lavinsky | Photo ID: 147967 View Count: 98 |
Botryogen : MgFe3+[OH|(SO4)2] · 7H2O, Copiapite : Fe2+Fe3+4[OH|(SO4)3]2 · 20H2O, Butlerite : Fe3+[OH|SO4] · 2H2O, Parabutlerite : Fe3+[OH|SO4] · 2H2O | |
|
Santa Elena Mine, La Alcaparrosa, San Juan, Argentina 7 x 5.5 x 3.3 cm. A very rich specimen with numerous clusters of Botryogen crystals to just shy of 1 cm, embedded in matrix of minutely crystallized Parabutlerite with other associated species. VERY RICH along the upper display face and about the most densely crystallized specimen of quality there was to be had. |
| © Rob Lavinsky | Photo ID: 147971 View Count: 96 |
Botryogen : MgFe3+[OH|(SO4)2] · 7H2O, Copiapite : Fe2+Fe3+4[OH|(SO4)3]2 · 20H2O, Butlerite : Fe3+[OH|SO4] · 2H2O, Parabutlerite : Fe3+[OH|SO4] · 2H2O | |
|
Santa Elena Mine, La Alcaparrosa, San Juan, Argentina 6.5 x 5.6 x 4.5 cm. A very rich specimen with numerous sharp clusters of Botryogen crystals to 1 cm, embedded in matrix of minutely crystallized Parabutlerite with other associated species. Many crystals are sharp and translucent. This is a rich and colorful specimen with whopping crystals for the species. |
| © Rob Lavinsky | Photo ID: 147972 View Count: 86 |
Botryogen : MgFe3+[OH|(SO4)2] · 7H2O, Copiapite : Fe2+Fe3+4[OH|(SO4)3]2 · 20H2O, Butlerite : Fe3+[OH|SO4] · 2H2O, Parabutlerite : Fe3+[OH|SO4] · 2H2O | |
|
Santa Elena Mine, La Alcaparrosa, San Juan, Argentina 7.5 x 5.6 x 3.2 cm. A very rich specimen with numerous clusters of Botryogen crystals to 1 cm and slightly more, embedded in matrix of minutely crystallized Parabutlerite with other associated species. |
| © Rob Lavinsky | Photo ID: 147968 View Count: 82 |
Botryogen : MgFe3+[OH|(SO4)2] · 7H2O, Copiapite : Fe2+Fe3+4[OH|(SO4)3]2 · 20H2O, Butlerite : Fe3+[OH|SO4] · 2H2O, Parabutlerite : Fe3+[OH|SO4] · 2H2O | |
|
Santa Elena Mine, La Alcaparrosa, San Juan, Argentina 5.5 x 4.3 x 1.5 cm. This specimen has the largest crystal I have seen from the find, which shows 2.2 cm well-exposed on several sides and obviously continues into the matrix for another centimeter or so, popping out a bit along the front face (maybe it can be excavated more?), making this surely one of the world’s largest of species. The crystal ... |
| © Rob Lavinsky | Photo ID: 147970 View Count: 81 |
| |
|
Sierra Gorda District, Tocopilla Province, Antofagasta Region, Chile 9.0 x 7.7 x 6.4 cm. Bright, cherry-red crystals of gypsum to 2.5 cm are colored by rich inclusions of the rare species botrygen, in this unusual specimen that is both historic and beautiful. Note how the best included areas show crystals, acicular needles, of botrygen shooting through the selenite. The little cavity with the major crystals is ... |
| © Rob Lavinsky | Photo ID: 199664 View Count: 79 |
Botryogen : MgFe3+[OH|(SO4)2] · 7H2O | |
|
Cerros Pintados ("Cerro Pintados"), Pampa del Tamarugal, Iquique Province, Tarapacá Region, Chile 5x3.5x 3 cm. A rich crust of orange botryogen on matrix. |
| © Ibrahim Jameel | Photo ID: 11188 View Count: 556 |
| Page 1 of 4 (1 to 10 of 31 total) | Next Page | |
| Page: 1 2 3 4 | ||
