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Mineral Specimens with Cuprosklodowskite
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11 x 7 x 8 cm. A large matrix specimen with a good covering of large, freestanding Cuprosklodowskite crystals.
9.5 x 5.5 x 6 cm. An interesting vuggy rock piece from Musonoi filled with typical green, mostly freestanding Cuprosklodowskite crystals that fill veins and spill out into open space when possible. These specimens where recovered when the uranium dump went to the crusher back in the early 1990’s.
11 x 5 x 4 cm. A fine combination piece of green Torbernite crystals associated with typical green Cuprosklodowskite tufts and yellow Sklodowskite aggregates. The Torbernite crystals looks dark green but on close examination, one can see that they are covered with thousands of doubly-terminated Vandenbrandeite crystals. Some of them are also implanted in the Cuprosklodowskite tufts. The Torbernite crystals reaches 6 mm on edge. The Vandenbrandeite crystals are in the 1-2 mm range but very sharp.
4 x 4 x 4 cm. Here we have a very rare mineral from the Musonoi mine, Billietite. In this specimen it is associated with green Cuprosklodowskite crystals and Malachite needles. The mineral crystallize in yellow-orange transparent crystals of typical shape. The matrix and associations are also typical for Musonoi material. When Dr. Michel Deliens wrote his book about the uranium minerals of Katanga in 1981, he did not mention the mineral from Musonoi because it was not known from there. The specimens where recovered during the removal of the uranium dump in the early 1990’s.
6 x 6 x 5 cm. Here is a specimen of typical green Cuprosklodowskite tufts associated with orange Kasolite crystals. The Kasolite appears as well defined crystals. This specimen was recovered during the removal of the uranium dump in the early 1990s.
6.5 x 5 x 4 cm. A ball consisting of flat, terminated Malachite crystals is lining the inside of this vug of brilliant green Cuprosklodowskite from the Musonoi mine. This specimen was found during the removal of the uranium dump in the early 1990s.
3.7 x 3.8 x 1.7 cm. This is a gorgeous specimen composed entirely of interlocking, neon-green, translucent cuprosklodowskite crystals that show unusual thickness and unusual gemminess. They have glassy lustre.
This gorgeous specimen features EXCEPTIONAL crystals of both species, but in particular the Cuprosklodowskite ! The Cuprosklodowskite crystals reach almost 1 inch in length and have an amazing metallic green brilliance to them, which contrasts with the darker transparent green of the torbernites (which are so sharp you can see why sometimes they turn up labeled as "green wulfenite"!). This is from old finds of this material, and dates to the 1970s I am told, in contrast to recent finds (admittedly, in quantity), much of which just didn't quite have the brilliant iridescence combined with length of the best of these older crystals. I also cannot recall seeing as fine an association of the two species in the recent finds of CS from this locality, come to think of it, clearly confirming this as an older specimen. 6.5 x 4.5 x 4 cm
7.3 x 6.9 x 6.0 cm. This is a superb pocket of cuprosklodowskite crystals in matrix, a rare uranium mineral species known at its best from this particular locality. Large pieces like this, showing a complete vug, are highly desired and increasingly hard to obtain (though mining still continues; the heyday here is now long past). The sheer color saturation of these crystals is unearthly.
10.0 x 8.5 x 5.0 cm. A large and colourful specimen with an unusual combination: bright yellow Uranophane crystals are filling a large vug of green Cuprosklodowskite crystals. Very interesting about this piece is that the Cuprosklodowskite crystals are partially imbedded in the Uranophane crystals and on some crystals, the green Cuprosklodowskite is passing through the terminations of the Uranophane crystals. Thus, this is not pseudomorphing, but growth together in the same pocket. At a close look, one can observe that many of the Cuprosklodowskite crystals are terminated, which is not often seen. This piece was recovered during the removal of the U-dump in the early 1990’s. Musonoi has ceased producing minerals since then.
4.8 x 3.2 x 1.9 cm. Here we have a very interesting specimen of Type Locality Vandenbrandeite with accent of pale green Cuprosklodowskite. The very fine Vandenbrandeite crystals are reaching 3 mm and are quite large for the locality. Vaes discovered these minerals in the early 1930’s in this remote area of Katanga (Kalongwe is located 60 km south of Kolwezi and was not very well accessible in that time because it lies in full jungle), and some few came back with his expeditions. This is why the deposit has never been mined, and will probably never be mined. And, so very few specimens reached the collectors. In sum this is not only a superbly crystallized example of this species but is also a very good and rich locality piece for the collector who values locality data and rarity. Few are likely to exist.
4.0. x 3.7 x 2.5 cm. This is a fantastic specimen of Cuprosklodowskite with Vandenbrandeite from the Type Locality for both species. The very good Cuprosklodowskite crystals are very large for the locality. The Vandenbrandeite builds sheaves to 8 mm, huge for the locality. Vaes discovered these minerals in the early 1930’s in this remote area of Katanga. Kalongwe is located 60 km south of Kolwezi and was not very well accessible in that time because it lies in full jungle. This is why the deposit has never been mined, and will probably never be, so very few specimens reached the collectors.
Dazzling bright green crystals of this rare mineral, not just a boring druse, in a recess in the matrix. These are very hard to find in this quality, especially at auction, and I hope it is appreciated for what it is! 4.4 x 3.8 x 3.6 cm
A rather large, rich specimen of a very rare uranium mineral, with the display face covered with recesses that contain acicular crystals of intense bright green. This is not only a fine specimen of a rare mineral, but is actually very bright and attractive from a purely aesthetic standpoint! Nice! 6.8 x 5.1 x 2.8 cm
A rich specimen of a rare radioactive mineral, featuring super-bright green acicular crystals in a recess in the matrix. They are actually quite gemmy under magnification! 4.5 x 3.5 x 2.5 cm
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Rob Lavinsky, rob@irocks.com
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share specimen![Cuprosklodowskite from Musonoi Mine, Kolwezi, Western area, Katanga Copper Crescent, Katanga (Shaba), Democratic Republic of Congo (Zaïre) [db_pics/mdpics/MD-201041a.jpg]](db_pics/mdpics/MD-201041a.jpg)
![Cuprosklodowskite from Musonoi Mine, Kolwezi, Western area, Katanga Copper Crescent, Katanga (Shaba), Democratic Republic of Congo (Zaïre) [db_pics/mdpics/MD-201057a.jpg]](db_pics/mdpics/MD-201057a.jpg)
![Cuprosklodowskite from Musonoi Mine, Kolwezi, Western area, Katanga Copper Crescent, Katanga (Shaba), Democratic Republic of Congo (Zaïre) [db_pics/mdpics/MD-201057b.jpg]](db_pics/mdpics/MD-201057b.jpg)
![Cuprosklodowskite, Sklodowskite, Vandenbrandeite, Torbernite from Musonoi Mine, Kolwezi, Western area, Katanga Copper Crescent, Katanga (Shaba), Democratic Republic of Congo (Zaïre) [db_pics/mdpics/MD-201060a.jpg]](db_pics/mdpics/MD-201060a.jpg)
![Cuprosklodowskite, Sklodowskite, Vandenbrandeite, Torbernite from Musonoi Mine, Kolwezi, Western area, Katanga Copper Crescent, Katanga (Shaba), Democratic Republic of Congo (Zaïre) [db_pics/mdpics/MD-201060b.jpg]](db_pics/mdpics/MD-201060b.jpg)
![Billietite, Cuprosklodowskite, Malachite from Musonoi Mine, Kolwezi, Western area, Katanga Copper Crescent, Katanga (Shaba), Democratic Republic of Congo (Zaïre) [db_pics/mdpics/MD-201130a.jpg]](db_pics/mdpics/MD-201130a.jpg)
![Billietite, Cuprosklodowskite, Malachite from Musonoi Mine, Kolwezi, Western area, Katanga Copper Crescent, Katanga (Shaba), Democratic Republic of Congo (Zaïre) [db_pics/mdpics/MD-201130b.jpg]](db_pics/mdpics/MD-201130b.jpg)
![Cuprosklodowskite, Kasolite from Musonoi Mine, Kolwezi, Western area, Katanga Copper Crescent, Katanga (Shaba), Democratic Republic of Congo (Zaïre) [db_pics/mdpics/MD-201139a.jpg]](db_pics/mdpics/MD-201139a.jpg)
![Cuprosklodowskite, Kasolite from Musonoi Mine, Kolwezi, Western area, Katanga Copper Crescent, Katanga (Shaba), Democratic Republic of Congo (Zaïre) [db_pics/mdpics/MD-201139b.jpg]](db_pics/mdpics/MD-201139b.jpg)
![Cuprosklodowskite, Malachite from Musonoi Mine, Kolwezi, Western area, Katanga Copper Crescent, Katanga (Shaba), Democratic Republic of Congo (Zaïre) [db_pics/mdpics/MD-201150a.jpg]](db_pics/mdpics/MD-201150a.jpg)
![Cuprosklodowskite from Musonoi Mine, Kolwezi, Western area, Katanga Copper Crescent, Katanga (Shaba), Democratic Republic of Congo (Zaïre) [db_pics/mdpics/MD-201162a.jpg]](db_pics/mdpics/MD-201162a.jpg)
![Cuprosklodowskite, Metatorbernite from Musonoi Mine, Kolwezi, Western area, Katanga Copper Crescent, Katanga (Shaba), Democratic Republic of Congo (Zaïre) [db_pics/mdpics/MD-20880a.jpg]](db_pics/mdpics/MD-20880a.jpg)
![Cuprosklodowskite from Musonoi Mine, Kolwezi, Western area, Katanga Copper Crescent, Katanga (Shaba), Democratic Republic of Congo (Zaïre) [db_pics/mdpics/MD-214651a.jpg]](db_pics/mdpics/MD-214651a.jpg)
![Cuprosklodowskite from Musonoi Mine, Kolwezi, Western area, Katanga Copper Crescent, Katanga (Shaba), Democratic Republic of Congo (Zaïre) [db_pics/mdpics/MD-214651b.jpg]](db_pics/mdpics/MD-214651b.jpg)
![Uranophane, Cuprosklodowskite from Musonoi Mine, Kolwezi, Western area, Katanga Copper Crescent, Katanga (Shaba), Democratic Republic of Congo (Zaïre) [db_pics/mdpics/MD-214940a.jpg]](db_pics/mdpics/MD-214940a.jpg)
![Vandenbrandeite, Cuprosklodowskite from Kalongwe deposit, Western area, Katanga Copper Crescent, Katanga (Shaba), Democratic Republic of Congo (Zaïre) [db_pics/mdpics/MD-214941a.jpg]](db_pics/mdpics/MD-214941a.jpg)
![Cuprosklodowskite, Vandenbrandeite from Kalongwe deposit, Western area, Katanga Copper Crescent, Katanga (Shaba), Democratic Republic of Congo (Zaïre) [db_pics/mdpics/MD-214954a.jpg]](db_pics/mdpics/MD-214954a.jpg)
![Cuprosklodowskite, Vandenbrandeite from Kalongwe deposit, Western area, Katanga Copper Crescent, Katanga (Shaba), Democratic Republic of Congo (Zaïre) [db_pics/mdpics/MD-214954b.jpg]](db_pics/mdpics/MD-214954b.jpg)
![Cuprosklodowskite from Katanga Copper Crescent, Katanga (Shaba), Democratic Republic of Congo (Zaïre) [db_pics/mdpics/MD-23160a.jpg]](db_pics/mdpics/MD-23160a.jpg)
![Cuprosklodowskite from Musonoi Mine, Kolwezi, Western area, Katanga Copper Crescent, Katanga (Shaba), Democratic Republic of Congo (Zaïre) [db_pics/mdpics/MD-23206a.jpg]](db_pics/mdpics/MD-23206a.jpg)
![Cuprosklodowskite from Musonoi Mine, Kolwezi, Western area, Katanga Copper Crescent, Katanga (Shaba), Democratic Republic of Congo (Zaïre) [db_pics/mdpics/MD-23824a.jpg]](db_pics/mdpics/MD-23824a.jpg)