Marin Mineral
Congo Minerals
May 4, 2021  ·  12 specimens

ST198 - Kolwezite on Cobaltian Calcite  sold

Kolwezi Mining District, Lualaba, DR Congo
Large Cabinet - 15.5 x 9 x 5.5 cm



(click on an image to enlarge)

Kolwezite on Cobaltian Calcite Kolwezite on Cobaltian Calcite Kolwezite on Cobaltian Calcite Kolwezite on Cobaltian Calcite Kolwezite on Cobaltian Calcite Kolwezite on Cobaltian Calcite Kolwezite on Cobaltian Calcite

Dark olive green botryoidal Kolwezite atop rhombs of vivid pink Cobaltoan Calcite (or possibly Cobaltoan Dolomite) creating a stunning mixture of colors and forms. The large central crystal group is partially etched and reveals alternating layers of varying intensities of pink coloration. Kolwezite is a Copper Cobalt Carbonate Hydroxide and this is the type locality for the species. A beautiful large display piece and combination specimen of two desireable species together.


ST209 - Malachite on Cobaltian Calcite  sold

Kolwezi Mining District, Lualaba, DR Congo
Small Cabinet - 7 x 5 x 3.5 cm



(click on an image to enlarge)

Malachite on Cobaltian Calcite Malachite on Cobaltian Calcite Malachite on Cobaltian Calcite Malachite on Cobaltian Calcite

Coating of bright green Malachite over vivid pink Cobaltoan Calcite (or possibly Cobaltoan Dolomite) creating a stunning mixture of colors and forms. The Malachite coats the left side with the right side all Cobaltian Calcite. The area of Cobaltian Calcite includes larger more deeply colored crystals atop a druse of smaller crystals. A very colorful specimen.


ST230 - Kolwezite on Cobaltian Calcite  sold

Kolwezi Mining District, Lualaba, DR Congo
Small Cabinet - 6.5 x 4 x 3.5 cm



(click on an image to enlarge)

Kolwezite on Cobaltian Calcite Kolwezite on Cobaltian Calcite Kolwezite on Cobaltian Calcite Kolwezite on Cobaltian Calcite

Dark green Kolwezite with rhombs of pink Cobaltoan Calcite (or possibly Cobaltoan Dolomite) creating a stunning mixture of colors and forms. There are also areas of velvety, bright green Malachite. Kolwezite is a Copper Cobalt Carbonate Hydroxide and this is the type locality for the species. A beautiful combination specimen of two desireable species together.


SM554 - Carrolite   $200  available

Kamoya South Mine, Kambove, Katanga, Congo
Miniature - 4.8 x 4.0 x 2.3 cm



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Carrolite Carrolite Carrolite

Mirror-lustrous octahedral Carrollite crystals to 1.3cm on matrix with white Calcite. From older finds out of an old collection.


ST211 - Cobaltian Calcite  sold

Kolwezi Mining District, Lualaba, DR Congo
Miniature - 3.3 x 2.5 x 1.4 cm



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Cobaltian Calcite Cobaltian Calcite Cobaltian Calcite Cobaltian Calcite

Vivid pink Cobaltoan Calcite crystals covering both sides of matrix. Colorful specimen of beautiful translucent pink crystals.


ST208 - Heterogenite on Cobaltian Calcite  sold

Kolwezi Mining District, Lualaba, DR Congo
Small Cabinet - 7 x 5 x 4.5 cm



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Heterogenite on Cobaltian Calcite Heterogenite on Cobaltian Calcite Heterogenite on Cobaltian Calcite Heterogenite on Cobaltian Calcite Heterogenite on Cobaltian Calcite

Black botryoidal Heterogenite atop bright pink Cobaltoan Calcite.


ST197 - Heterogenite on Cobaltian Calcite  sold

Kolwezi Mining District, Lualaba, DR Congo
Small Cabinet - 8 x 7 x 4.5 cm



(click on an image to enlarge)

Heterogenite on Cobaltian Calcite Heterogenite on Cobaltian Calcite Heterogenite on Cobaltian Calcite Heterogenite on Cobaltian Calcite

Black Heterogenite atop crystals of pink Cobaltoan Calcite. Good larger crystals on fronth with drusy pink Cobaltian Calcite on the sides and back too.


C675 - Cuprite on Chrysocolla  sold

Mashamba West Mine, Katanga, Congo
Cabinet - 12 x 8 x 4 cm



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Cuprite on Chrysocolla Cuprite on Chrysocolla Cuprite on Chrysocolla Cuprite on Chrysocolla

Cuprite crystals to 1.3cm on an uncommonly wide, flat Chrysocolla covered matrix. These came out years ago and are among my favorite Cuprite specimens as the Chrysocolla really sets off the Cuprite crystals. Crystals are undamaged with many more crystals present that are completely covered by the Chrysocolla. Areas of fibrous Malachite crystals enhance the look. Undamaged.


T658 - Chalcocite  sold

Kipushi Mine, Katanga, Congo
Miniature - 4.5 x 3.6 x 2 cm



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Chalcocite Chalcocite Chalcocite

Large, complete single crystal. Well crystallized on both sides and shows good iridescence. This is old material from the collection of longtime African dealer Rob Smith. If you search Mindat photos for the locality, all you will find are millimeter sized crystals.


CT292 - Torbernite, Kasolite  sold

Musonoi Mine, Katanga, Congo (DRC)
Miniature - 4 x 2.5 x 1.8 cm



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Torbernite, Kasolite Torbernite, Kasolite Torbernite, Kasolite

Specimen of platy, vivid green crystals of Torbernite and yellow Kasolite. Ex. Chuck Trantham collection.


ST188 - Kolwezite, Malachite on Cobaltian Calcite  sold

Kolwezi Mining District, Lualaba, DR Congo
Cabinet - 10 x 7 x 5 cm



(click on an image to enlarge)

Kolwezite, Malachite on Cobaltian Calcite Kolwezite, Malachite on Cobaltian Calcite Kolwezite, Malachite on Cobaltian Calcite Kolwezite, Malachite on Cobaltian Calcite

Dark olive green botryoidal Kolwezite and bright green Malachite atop vivid pink Cobaltoan Calcite creating a stunning mixture of colors and forms. Kolwezite is a Copper Cobalt Carbonate Hydroxide and this is the type locality for the species. A beautiful large display piece and combination specimen of multiple desireable species together.


ST193 - Kolwezite on Cobaltian Calcite  sold

Kolwezi Mining District, Lualaba, DR Congo
Small Cabinet - 7.5 x 5 x 3.5 cm



(click on an image to enlarge)

Kolwezite on Cobaltian Calcite Kolwezite on Cobaltian Calcite Kolwezite on Cobaltian Calcite Kolwezite on Cobaltian Calcite Kolwezite on Cobaltian Calcite

Dark olive green botryoidal Kolwezite atop rhombs of vivid pink Cobaltoan Calcite (or possibly Cobaltoan Dolomite) creating a stunning mixture of colors and forms. Kolwezite is a Copper Cobalt Carbonate Hydroxide and this is the type locality for the species. A beautiful,colorful display piece.


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