Marin Mineral
Congo Minerals
June 12, 2021  ·  10 specimens

ST201 - Kolwezite pseudomorphs, Malachite on Cobaltian Calcite  sold

Kolwezi Mining District, Lualaba, DR Congo
Cabinet - 13 x 9.5 x 5 cm



(click on an image to enlarge)

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

Bladed crystals of Kolwezite pseudomorphs and a mass of bright green Malachite atop vivid pink Cobaltoan Calcite (or possibly Cobaltoan Dolomite) creating a stunning mixture of colors and forms. There are also small disc shaped white Calcite crystals in areas. 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.


ST203 - Kolwezite after Cuprite  sold

Kolwezi Mining District, Lualaba, DR Congo
Cabinet - 11 x 8.5 x 3.5 cm



(click on an image to enlarge)

Kolwezite after Cuprite Kolwezite after Cuprite Kolwezite after Cuprite Kolwezite after Cuprite

Dense coverage of dark green Kolwezite pseudomorphs after Cuprite over a layer of botryoidal pink Cobaltian Calcite. Kolwezite is a Copper Cobalt Carbonate Hydroxide and this is the type locality for the species.


ST372 - Kolwezite/Malachite on Cobaltian Calcite  sold

Kolwezi Mining District, Lualaba, DR Congo
Cabinet - 11 x 6 x 2 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 green crystal groups of Malachite or Kolwezite atop deep red 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. Sawcut on back.


ST369 - Cobaltian Calcite  sold

Kolwezi Mining District, Lualaba, DR Congo
Cabinet - 11.5 x 7.5 x 5 cm



(click on an image to enlarge)

Cobaltian Calcite Cobaltian Calcite Cobaltian Calcite Cobaltian Calcite Cobaltian Calcite

Large, gemmy pink crystals of Cobaltian Calcite. These large scalenohedral crystals are the type that make Cobaltian Calcite from this area world famous and are hard to find. The main crystal is 2.7cm and perfect, as are the other crystals with the exception of the crystal below the main crystal which has a cleaved termination. A light dusting of Chrysocolla on the matrix adds even more color to this large, impactful specimen.


ST199 - Kolwezite on Cobaltian Calcite  sold

Kolwezi Mining District, Lualaba, DR Congo
Cabinet - 10 x 10 x 3 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 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 large display piece and combination specimen of two desireable species together. Sawcut on back.


ST373 - Kolwezite on Cobaltian Calcite  sold

Kolwezi Mining District, Lualaba, DR Congo
Small Cabinet - 6 x 5.5 x 2 cm



(click on an image to enlarge)

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

Dark olive green botryoidal Kolwezite atop vivid pink Cobaltoan Calcite creating a stunning mixture of colors and forms. This is the top color for Cobaltian Calcite. Kolwezite is a Copper Cobalt Carbonate Hydroxide and this is the type locality for the species. A beautiful display piece and combination specimen of two desireable species together. Sawcut on back.


ST379 - Malachite on Cobaltian Calcite  sold

Kolwezi Mining District, Lualaba, DR Congo
Small Cabinet - 8 x 4.5 x 1.5 cm



(click on an image to enlarge)

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

Groups of bladed Malachite crystals atop vivid pink Cobaltoan Calcite. Bright and colorful combination specimen. Sawcut on back.


ST368 - Malachite on Cobaltian Calcite  sold

Kolwezi Mining District, Lualaba, DR Congo
Small Cabinet - 8 x 7.5 x 2.5 cm



(click on an image to enlarge)

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

Fine quality clusters of green Malachite on reddish pink Cobaltoan Calcite. A beautiful, colorful display piece. Sawcut on back.


ST365 - Kolwezite on Cobaltian Calcite  sold

Kolwezi Mining District, Lualaba, DR Congo
Miniature - 4.5 x 4.5 x 3 cm



(click on an image to enlarge)

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

Dark olive green spherical clusters of Kolwezite atop vivid pink Cobaltoan Calcite. This is the top color for Cobaltian Calcite. There are also areas of fibrous bright green Malachite and small clear Quartz crystals.Kolwezite is a Copper Cobalt Carbonate Hydroxide and this is the type locality for the species. A beautiful display piece and combination specimen.


ST363 - Kolwezite on Cobaltian Calcite  sold

Kolwezi Mining District, Lualaba, DR Congo
Small Cabinet - 7 x 6 x 2.3 cm



(click on an image to enlarge)

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

Dark olive green spherical cluster of Kolwezite atop vivid pink Cobaltoan Calcite. Some of the larger crystal groups have been naturally etched revealing a brownish interior. Kolwezite is a Copper Cobalt Carbonate Hydroxide and this is the type locality for the species. A beautiful display piece and combination specimen of two desireable species together. Sawcut on back.


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