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Mineral Specimens with Mimetite
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4.8 x 3.4 x 2.4 cm. This find at Mapimi was fascinating in that the specimens combined these two secondary leads minerals typically found separately there. Here you see sharp crystals of wulfenite growing amongst broccoli-like clusters of greenish mimetite. Ex. Dave Stoudt Collection.
14.3 x 7.0 x 4.8 cm. A fine cabinet specimen richly covered with lustrous, pyramidal, butterscotch-colored wulfenite crystals. The largest wulfenite on the piece is a 2.1cm doubly-terminated crystal. The exact mine location is Level 6, San Juan Poniente vein. The gossan matrix is also coated with sparkly, dark olive-green mimetite microcrystals.
5.8 x 4.5 x 3.3 cm. A fine specimen covered with lustrous, pyramidal, butterscotch-colored wulfenite crystals. The largest crystal is 1.4 cm and there is a single, doubly terminated crystal nearby. The exact mine location is Level 6, San Juan Poniente vein. The gossan matrix is also coated with sparkly, dark olive-green mimetite microcrystals.
10.7 x 6.3 x 3.8 cm. This is a large, robustly covered specimen that is literally coated with roseate clusters of intense yellow mimetite crystals. This is a classic style for Tsumeb. The crystals are sharp and many have gemmy, translucent tips on them.
7.9 x 6.8 x 3.5 cm. These small campylite crystals reach 6-mm, but have a superb, fiery-red color that contrasts beautifully with the matrix.
6.6 x 3.5 x 3.2 cm. A rich, gossany, limonite matrix gives way to a superb, botryoidal, translucent, green mimetite crust upon which are perched isolated crystals of lustrous and translucent, pseudocubic, butterscotch-colored wulfenite to .9 cm in length.
8.7 x 7.5 x 3.6 cm. Bi-pyramidal, lustrous and translucent, unusually elongate wulfenite crystals, to 2 cm in length have grown in a jackstraw pattern. These crystals are in turn emplaced on a crust of botryoidal, translucent, green mimetite. The matrix is an ocherous, gossany limonite.
10.2 x 6.6 x 2.5 cm. An ocherous, limonite matrix is the host for a thin crust of lustrous and translucent, green mimetite and lustrous and translucent, pseudocubic, caramel colored, isolated crystals of wulfenite, to .8 cm on edge.
9.3 x 5.0 x 3.7 cm. Nestled on contrasting limonite is a carpet of olive green mimetite upon which are huge bi-pyramidal, lustrous, translucent crystals of butterscotch-colored wulfenite in crystals to 2.0 cm in length.
5.9 x 3.6 x 2.7 cm. An ocherous, limonite is covered by lustrous, rhombohedral, silky/pearlescent-white crystals of calcite to .3 cm across, which give way to a small area of lustrous and translucent, botryoidal green mimetite. Emplaced on top are several, isolated lustrous and translucent, butterscotch-colored crystals of wulfenite, measuring 1.5 cm in length.
8.6 x 3.9 x 1.9 cm. The pleasing, dark green color of the botryoidal mimetite contrasts nicely with the pseudocubic, lustrous and translucent, butterscotch-colored colored wulfenite crystals, to .75 cm across. All of this is on a sculptural and 3-dimensional limonite matrix.
9.6 x 5.7 x 4.2 cm. Sharp and graceful, bipyramidal crystals of butterscotch-colored wulfenite sit on a carpet of beautiful deep green mimetite here. The crystals are lustrous and translucent and reach 1.7 cm in length.
10.0 x 4.9 x 3.4 cm. A really wulfenite-smothered limonite matrix is in places covered by a very thin veneer of green mimetite which in turn is the host for a number of doubly terminated, lustrous and translucent, butterscotch-colored crystals of wulfenite reaching 1.5 cm across.
7.4 x 6.3 x 3.3 cm. A contrasting, limonite matrix is the host for a bit of botryoidal mimetite and several classically crystallized, lustrous and translucent, butterscotch-colored crystals of wulfenite to 1.0 cm in length. They are sharply pseudocubic, an effect heightened by their translucence.
9.7 x 7.0 x 4.8 cm. A fine specimen festooned with lustrous, bi-pyramidal, butterscotch-colored wulfenite crystals from the Mina Ojuela at Mapimi, Mexico. The largest crystal is 1.3 cm. The exact mine location is Level 6, San Juan Poniente vein. The gossan matrix is also coated with sparkly, dark olive-green mimetite microcrystals.
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Rob Lavinsky, rob@irocks.com
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share specimen![Wulfenite, Mimetite from Ojuela Mine, Mapimí, Mun. de Mapimí, Durango, Mexico [db_pics/mdpics/MD-187597a.jpg]](db_pics/mdpics/MD-187597a.jpg)
![Wulfenite, Mimetite from Ojuela Mine, Mapimí, Mun. de Mapimí, Durango, Mexico [db_pics/mdpics/MD-187597b.jpg]](db_pics/mdpics/MD-187597b.jpg)
![Wulfenite, Mimetite from Ojuela Mine, Mapimí, Mun. de Mapimí, Durango, Mexico [db_pics/mdpics/MD-187705a.jpg]](db_pics/mdpics/MD-187705a.jpg)
![Wulfenite, Mimetite from Ojuela Mine, Mapimí, Mun. de Mapimí, Durango, Mexico [db_pics/mdpics/MD-188377a.jpg]](db_pics/mdpics/MD-188377a.jpg)
![Mimetite from Tsumeb Mine (Tsumcorp Mine), Tsumeb, Otjikoto (Oshikoto) Region, Namibia [db_pics/mdpics/MD-188414a.jpg]](db_pics/mdpics/MD-188414a.jpg)
![Mimetite (Var: Campylite) from Caldbeck Fells, North and Western Region (Cumberland), Cumbria, England, UK [db_pics/mdpics/MD-189271a.jpg]](db_pics/mdpics/MD-189271a.jpg)
![Wulfenite, Mimetite from San Juan Poniente, Ojuela Mine, Mapimí, Mun. de Mapimí, Durango, Mexico [db_pics/mdpics/MD-190305a.jpg]](db_pics/mdpics/MD-190305a.jpg)
![Wulfenite, Mimetite from San Juan Poniente, Ojuela Mine, Mapimí, Mun. de Mapimí, Durango, Mexico [db_pics/mdpics/MD-190306a.jpg]](db_pics/mdpics/MD-190306a.jpg)
![Wulfenite, Mimetite from San Juan Poniente, Ojuela Mine, Mapimí, Mun. de Mapimí, Durango, Mexico [db_pics/mdpics/MD-190307a.jpg]](db_pics/mdpics/MD-190307a.jpg)
![Wulfenite, Mimetite from San Juan Poniente, Ojuela Mine, Mapimí, Mun. de Mapimí, Durango, Mexico [db_pics/mdpics/MD-190308a.jpg]](db_pics/mdpics/MD-190308a.jpg)
![Wulfenite, Calcite, Mimetite from San Juan Poniente, Ojuela Mine, Mapimí, Mun. de Mapimí, Durango, Mexico [db_pics/mdpics/MD-190310a.jpg]](db_pics/mdpics/MD-190310a.jpg)
![Wulfenite, Mimetite from San Juan Poniente, Ojuela Mine, Mapimí, Mun. de Mapimí, Durango, Mexico [db_pics/mdpics/MD-190314a.jpg]](db_pics/mdpics/MD-190314a.jpg)
![Wulfenite, Mimetite from San Juan Poniente, Ojuela Mine, Mapimí, Mun. de Mapimí, Durango, Mexico [db_pics/mdpics/MD-190315a.jpg]](db_pics/mdpics/MD-190315a.jpg)
![Wulfenite, Mimetite from San Juan Poniente, Ojuela Mine, Mapimí, Mun. de Mapimí, Durango, Mexico [db_pics/mdpics/MD-190316a.jpg]](db_pics/mdpics/MD-190316a.jpg)
![Wulfenite, Mimetite from San Juan Poniente, Ojuela Mine, Mapimí, Mun. de Mapimí, Durango, Mexico [db_pics/mdpics/MD-190318a.jpg]](db_pics/mdpics/MD-190318a.jpg)
![Wulfenite, Mimetite from San Juan Poniente, Ojuela Mine, Mapimí, Mun. de Mapimí, Durango, Mexico [db_pics/mdpics/MD-192631a.jpg]](db_pics/mdpics/MD-192631a.jpg)
![Wulfenite, Mimetite from San Juan Poniente, Ojuela Mine, Mapimí, Mun. de Mapimí, Durango, Mexico [db_pics/mdpics/MD-192631b.jpg]](db_pics/mdpics/MD-192631b.jpg)