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4JG1 - Cornetite - $ 245 SOLD Star of the Congo Mine, Shaba (Katanga) Province, Congo (type locality) miniature, 5.7 x 3.9 x 3.9 cm
Very rich dense growth of very fine acicular crystals in a fine rounded botryoidal look. The deep blue color is every bit as good as any you’ve seen before from this, the type locality; and the fine microcrystals bring a nice sparkling luster to the piece.
MD-118737 - Cornetite - - Archived L'Etoile du Congo Mine (Star of the Congo Mine; Kalukuluku Mine), Lubumbashi (Elizabethville), Southern area, Katanga Copper Crescent, Katanga (Shaba), Democratic Republic of Congo cabinet, 10 x 7 x 4 cm.
10 x 7 x 4 cm. Cornetites are VERY hard to obtain - snapped up quickly whenever they come out due to their gorgeous peacock-blue color and scarcity compared to other area copper minerals.
MD-121012 - Cornetite - - Archived L'Etoile du Congo Mine (Star of the Congo Mine; Kalukuluku Mine), Lubumbashi (Elizabethville), Southern area, Katanga Copper Crescent, Katanga (Shaba), Democratic Republic of Congo miniature, 4.6 x 4.2 x 4.1 cm.
4.6 x 4.2 x 4.1 cm. A specimen with the most intense blue color I have yet seen in cornetite, composed of a velvety carpet of microcrystals that glistens in person; and is not flat in lustre at all as appears in the pics. This is an old specimen, and to me has a more intense blue color than modern material which has come from the same mine (the modern material is also sparkly , but a darker hue than we see on this specimen). Ex. Martin Zinn Collection.
MD-137798 - Cornetite - - Archived L'Etoile du Congo Mine (Star of the Congo Mine; Kalukuluku Mine), Lubumbashi (Elizabethville), Southern area, Katanga Copper Crescent, Katanga (Shaba), Democratic Republic of Congo small cabinet, 8 x 6 x 2.8 cm.
8 x 6 x 2.8 cm. Cornetites are a rare copper mineral from the otherwise prolific copper-mining district of Congo, and partly because of this, along with their striking color palette, they are very popular with collectors. They appear mostly in very small batches of maybe a dozen, with one or two dealers, now and then. This one is spectacular in person due to the richness of the malachite microcrystals which creates all sorts of wonderful hues in combination with the cornetite.
MD-148307 - Cornetite, Malachite - - Archived L'Etoile du Congo Mine (Star of the Congo Mine; Kalukuluku Mine), Lubumbashi (Elizabethville), Southern area, Katanga Copper Crescent, Katanga (Shaba), Democratic Republic of Congo small cabinet, 6.3 x 5.0 x 3.8 cm.
6.3 x 5.0 x 3.8 cm. Cornetite is a rare, hydrated copper phosphate. This very showy and excellent specimen is covered on both sides with SCINTILLATING, two-toned blue cornetite and is nicely accented with malachite on a gossan matrix. A striking and beautiful specimen. This fine piece is from the Type Locality - the Star of Congo Mine in Zaire.
MD-165693 - Chrysocolla, Cornetite - - Archived L'Etoile du Congo Mine (Star of the Congo Mine; Kalukuluku Mine), Lubumbashi (Elizabethville), Southern area, Katanga Copper Crescent, Katanga (Shaba), Democratic Republic of Congo cabinet, 14.2 x 14.2 x 3.3 cm.
14.2 x 14.2 x 3.3 cm. There is so much going on with this large, rich plate of copper minerals that it is hard to describe it correctly. Basically what you have is layers of copper minerals with very similar chemistry layered atop one another. The greatest mass of the plate appears to be chrysocolla. There is a thin layer of cornetite that appears to be topped by micro-botryoidal, lustrous malachite. I believe there is even some heterogenite here. The surface is quite lustrous.
MD-180019 - Cornetite - - Archived L'Etoile du Congo Mine (Star of the Congo Mine; Kalukuluku Mine), Lubumbashi (Elizabethville), Southern area, Katanga Copper Crescent, Katanga (Shaba), Democratic Republic of Congo small cabinet, 5.6 x 2.8 x 0.5 cm.
5.6 x 2.8 x 0.5 cm. A sparkling specimen of the older style of cornetite from this region not found today. Ex. Martin Zinn Collection.
MD-20923 - Cornetite - - Archived L'Etoile du Congo Mine (Star of the Congo Mine; Kalukuluku Mine), Lubumbashi (Elizabethville), Southern area, Katanga Copper Crescent, Katanga (Shaba), Democratic Republic of Congo small cabinet, 5.7 x 3.9 x 3.9 cm
Very rich dense growth of very fine acicular crystals in a fine rounded botryoidal look. The deep blue color is every bit as good as any you’ve seen before from this, the type locality; and the fine microcrystals bring a nice sparkling luster to the piece. 5.7 x 3.9 x 3.9 cm
MD-219262 - Cornetite - - Archived L'Etoile du Congo Mine (Star of the Congo Mine; Kalukuluku Mine), Lubumbashi (Elizabethville), Southern area, Katanga Copper Crescent, Katanga (Shaba), Democratic Republic of Congo small cabinet, 7.8 x 6.2 x 3.8 cm.
7.8 x 6.2 x 3.8 cm. Cornetites are always difficult to obtain. They seem to trickle out only in small batches (mostly from this locality), and are bought up quickly, due both to the difficulty of getting them and their unique beauty: an intense blue-green color. Sometimes, as here, there is also a sprinkling of microcrystals of malachite.
MD-244296 - Cornetite - - Archived L'Etoile du Congo Mine (Star of the Congo Mine; Kalukuluku Mine), Lubumbashi (Elizabethville), Southern area, Katanga Copper Crescent, Katanga (Shaba), Democratic Republic of Congo small cabinet, 6.6 x 6.5 x 5.0 cm.
6.6 x 6.5 x 5.0 cm. Cornetite is a rare, hydrated copper phosphate. This very showy, vuggy specimen is very richly covered with scintillating, vivid blue cornetite micro-botryoids and is nicely accented with malachite on a gossan matrix. A striking and beautiful specimen. This fine piece is from the Type Locality - the L’Etoile du Congo Mine (Star of Congo). Ex. John Sobolewski Collection.
MD-247745 - Cornetite - - Archived L'Etoile du Congo Mine (Star of the Congo Mine; Kalukuluku Mine), Lubumbashi (Elizabethville), Southern area, Katanga Copper Crescent, Katanga (Shaba), Democratic Republic of Congo small cabinet, 5.8 x 5.2 x 4.4 cm.
5.8 x 5.2 x 4.4 cm. A fine, sparkling, bubbling, botryoidal mound of peacock-blue cornetite microcrystals from the Star of the Congo Mine. The world’s finest cornetite specimens come from the Katanga Copper Crescent and this is a showy and excellent example. Almost pristine. Ex. Wesley Stark Collection.
MD-257246 - Cornetite, Chrysocolla - - Archived L'Etoile du Congo Mine (Star of the Congo Mine; Kalukuluku Mine), Lubumbashi (Elizabethville), Southern area, Katanga Copper Crescent, Katanga (Shaba), Democratic Republic of Congo cabinet, 10.9 x 6.0 x 5.6 cm.
10.9 x 6.0 x 5.6 cm. Cornetite is a rare hydrated copper phosphate. This very fine, vuggy specimen in chrysocolla matrix is very richly lined with scintillating, vivid teal blue cornetite microcrystals. A striking and beautiful combination specimen. This fine piece is from a new find at the type locality - the Star of Congo Mine.
MD-264029 - Cornetite, Chrysocolla - - Archived L'Etoile du Congo Mine (Star of the Congo Mine; Kalukuluku Mine), Lubumbashi (Elizabethville), Southern area, Katanga Copper Crescent, Katanga (Shaba), Democratic Republic of Congo cabinet, 9.5 x 7.2 x 4.8 cm.
9.5 x 7.2 x 4.8 cm. Cornetite is a rare, hydrated copper phosphate. This very fine, vuggy specimen in chrysocolla matrix is very richly lined with scintillating, vivid teal-blue cornetite microcrystals. A striking and beautiful combination specimen, as the variable colors of chrysocolla are a fine compliment to the teal-blue cornetite. This extra fine piece, from a new find is from the Type Locality - the Star of the Congo Mine.
MD-266143 - Cornetite, Chrysocolla - - Archived L'Etoile du Congo Mine (Star of the Congo Mine; Kalukuluku Mine), Lubumbashi (Elizabethville), Southern area, Katanga Copper Crescent, Katanga (Shaba), Democratic Republic of Congo cabinet, 9.7 x 6.4 x 6.0 cm.
9.7 x 6.4 x 6.0 cm. Cornetite is a rare, hydrated copper phosphate. This very fine, vuggy specimen in chrysocolla matrix is filled on five sides with very blocky and botryoidal scintillating, vivid teal-blue cornetite microcrystals. A striking and beautiful combination specimen, as the variable colors of chrysocolla are a fine compliment to the teal-blue cornetite. This fine piece, from a new find is from the type locality - the famous Star of the Congo Mine.
MD-280501 - Cornetite, Chrysocolla - - Archived L'Etoile du Congo Mine (Star of the Congo Mine; Kalukuluku Mine), Lubumbashi (Elizabethville), Southern area, Katanga Copper Crescent, Katanga (Shaba), Democratic Republic of Congo cabinet, 11.4 x 7.2 x 6.7 cm.
11.4 x 7.2 x 6.7 cm. Cornetite is a rare secondary copper phosphate found in the oxidation zone of copper deposits. This is a dramatic, really rich and large specimen for this material and is from a small new find at the Star of the Congo Mine. A thin crust of sparkly, teal-blue cornetite, in botryoidal form, covers pretty chrysocolla lining a large vug in gossan matrix. This is from a find made in mid-2009.
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