Tsumeb Minerals from the Carl Acosta Collection


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R420 - Smithsonite on stalactite $ 2500 (=~ CAN$ 3431)
 Tsumeb, Namibia
small cabinet - 6 x 1.5 x 1.4 cm


(click on an image to enlarge)

Smithsonite on stalactite from Tsumeb, Namibia [db_pics/pics/r420a.jpg] Smithsonite on stalactite from Tsumeb, Namibia [db_pics/pics/r420b.jpg] Smithsonite on stalactite from Tsumeb, Namibia [db_pics/pics/r420c.jpg] Smithsonite on stalactite from Tsumeb, Namibia [db_pics/pics/r420d.jpg] Smithsonite on stalactite from Tsumeb, Namibia [db_pics/pics/r420e.jpg] Smithsonite on stalactite from Tsumeb, Namibia [db_pics/pics/r420f.jpg]

Rare Tsumeb specimen of pink Smithsonite crystals partially coating a metallic grey stalactite of Tennnantite(?), and a significantly long one at that!  The stalactite is fluorescent orange and is possibly Sphalerite. The Smithsonite are gemmy and reach 5mm in size, preferentially coating one side of the stalactite. The stalactite is slightly irridescent. Ex. Carl Acosta collection.

R421 - Malachite in Calcite with Duftite $ 2500 (=~ CAN$ 3431) SOLD
 Tsumeb, Namibia
small cabinet - 7 x 4 x 2.5 cm


(click on an image to enlarge)

Malachite in Calcite with Duftite from Tsumeb, Namibia [db_pics/pics/r421a.jpg] Malachite in Calcite with Duftite from Tsumeb, Namibia [db_pics/pics/r421b.jpg] Malachite in Calcite with Duftite from Tsumeb, Namibia [db_pics/pics/r421c.jpg]

Fine, highly aesthetic specimen composed of glassy, transparent Calcite rhombs included by Malachite. The crystals are sharp, lustrous, and cover both sides of the specimen (a floater). The Calcite are water-clear making this a really bright and sparkly specimen. Areas of Duftite are also present, mostly on the backside. Ex. Carl Acosta, Tizziano Bonisoli  collections.

R422 - Cerussite $ 1500 (=~ CAN$ 2058)
 Tsumeb, Namibia
small cabinet - 6 x 5 x 2.8 cm


(click on an image to enlarge)

Cerussite from Tsumeb, Namibia [db_pics/pics/r422a.jpg] Cerussite from Tsumeb, Namibia [db_pics/pics/r422b.jpg] Cerussite from Tsumeb, Namibia [db_pics/pics/r422c.jpg]

Single snowflake of reticulated Cerussite. The Cerussite is glassy and transparent with areas of surface alteration to Hydrocerussite. Slightly iridescent blue/black metallic mineralization is present deep in the grooves of the crystals. Comes with an old label from Prosper Williams. Ex. Carl Acosta collection.

R423 - Duftite with Calcite 'Saguaro Cactus' $ 900 (=~ CAN$ 1235)
 Tsumeb, Namibia
miniature - 5 x 3 x 2.5 cm


(click on an image to enlarge)

Duftite with Calcite 'Saguaro Cactus' from Tsumeb, Namibia [db_pics/pics/r423a.jpg] Duftite with Calcite 'Saguaro Cactus' from Tsumeb, Namibia [db_pics/pics/r423b.jpg] Duftite with Calcite 'Saguaro Cactus' from Tsumeb, Namibia [db_pics/pics/r423c.jpg]

Elongated, rounded matrix (a stalactite?) coated with green Duftite and Calcite crystals. Well crystallized all around. Ex. Carl Acosta collection. This specimen always reminded Carl of a Saguaro Cactus.

R424 - Malachite after Azurite $ 500 (=~ CAN$ 686)
 Tsumeb, Namibia
small cabinet - 5.5 x 5.5 x 4 cm


(click on an image to enlarge)

Malachite after Azurite from Tsumeb, Namibia [db_pics/pics/r424a.jpg] Malachite after Azurite from Tsumeb, Namibia [db_pics/pics/r424b.jpg] Malachite after Azurite from Tsumeb, Namibia [db_pics/pics/r424c.jpg] Malachite after Azurite from Tsumeb, Namibia [db_pics/pics/r424d.jpg]

Well formed crystals of Malachite pseudomorphs after Azurite crystals. The crystals have a bright velvety, chatoyant appearance. Ex. Carl Acosta collection and comes with a few old labels.

R425 - Mimetite $ 1500 (=~ CAN$ 2058) SOLD
 Tsumeb, Namibia
thumbnail - 2.5 x 2.2 x 1.5 cm


(click on an image to enlarge)

Mimetite from Tsumeb, Namibia [db_pics/pics/r425a.jpg] Mimetite from Tsumeb, Namibia [db_pics/pics/r425b.jpg] Mimetite from Tsumeb, Namibia [db_pics/pics/r425c.jpg] Mimetite from Tsumeb, Namibia [db_pics/pics/r425d.jpg] Mimetite from Tsumeb, Namibia [db_pics/pics/r425e.jpg]

Fine an undamaged specimen of yellow Mimetite crystals on matrix. The Mimetite have pointed, gemmy terminations.  Excellent color and luster. Ex. Carl Acosta collection.

R426 - Tarnowitzite $ 3000 (=~ CAN$ 4117)
 Tsumeb, Namibia
small cabinet - 8 x 7 x 4.5 cm


(click on an image to enlarge)

Tarnowitzite from Tsumeb, Namibia [db_pics/pics/r426a.jpg] Tarnowitzite from Tsumeb, Namibia [db_pics/pics/r426b.jpg] Tarnowitzite from Tsumeb, Namibia [db_pics/pics/r426c.jpg] Tarnowitzite from Tsumeb, Namibia [db_pics/pics/r426d.jpg]

Large white Tarnowitzite crystals grown on both sides of a thin rock matrix. Many crsytals are doubly-terminated, including the largest one at 3.5cm wide. More sculptural than most with crystals growing in many different directions. Ex. Carl Acosta collection.

R427 - Mimetite with Malachite $ 500 (=~ CAN$ 686)
 Tsumeb, Namibia
small cabinet - 8 x 7 x 2.5 cm


(click on an image to enlarge)

Mimetite with Malachite from Tsumeb, Namibia [db_pics/pics/r427a.jpg] Mimetite with Malachite from Tsumeb, Namibia [db_pics/pics/r427b.jpg] Mimetite with Malachite from Tsumeb, Namibia [db_pics/pics/r427c.jpg] Mimetite with Malachite from Tsumeb, Namibia [db_pics/pics/r427d.jpg]

Colorful specimen with yellow Mimetite clusters with Malachite. The Malachite occurs as both isolated masses and coating elongated crystals of an unidentified species (Copper?). Ex. Carl Acosta collection.

R428 - Smithsonite stalactite $ 2750 (=~ CAN$ 3774)
 Tsumeb, Namibia
miniature - 4 x 1.5 x 1.4 cm


(click on an image to enlarge)

Smithsonite stalactite from Tsumeb, Namibia [db_pics/pics/r428a.jpg] Smithsonite stalactite from Tsumeb, Namibia [db_pics/pics/r428b.jpg] Smithsonite stalactite from Tsumeb, Namibia [db_pics/pics/r428c.jpg] Smithsonite stalactite from Tsumeb, Namibia [db_pics/pics/r428d.jpg]

Single stalactite of translucent green Smithsonite. One of the more uncommon Smithsonite formations found at Tsumeb and I've only ever seen a few of these. The base shows concentric circles of Smithsonite of varying colors. Undamaged (the tip is perfect) and attractive. Ex. Carl Acosta collection (he called it 'the dunce cap').

R429 - Adamite $ 2250 (=~ CAN$ 3088)
 Tsumeb, Namibia
miniature - 4.5 x 3.5 x 2 cm


(click on an image to enlarge)

Adamite from Tsumeb, Namibia [db_pics/pics/r429a.jpg] Adamite from Tsumeb, Namibia [db_pics/pics/r429b.jpg]

Golden/green crystals of Adamite on matrix. Large crystals to 1cm in size. Good Adamite specimens are very uncommon from Tsumeb. Ex. Carl Acosta collection.

R430 - Smithsonite on Willemite $ 500 (=~ CAN$ 686) SOLD
 Tsumeb, Namibia
small cabinet - 6 x 4 x 4 cm


(click on an image to enlarge)

Smithsonite on Willemite from Tsumeb, Namibia [db_pics/pics/r430a.jpg] Smithsonite on Willemite from Tsumeb, Namibia [db_pics/pics/r430b.jpg] Smithsonite on Willemite from Tsumeb, Namibia [db_pics/pics/r430c.jpg] Smithsonite on Willemite from Tsumeb, Namibia [db_pics/pics/r430d.jpg]

White rhombs of Smithsonite atop pink and orange Willemite on matrix. Uncommon from a rare pocket. Ex. Carl Acosta collection.

R431 - Calcite on Willemite $ 1250 (=~ CAN$ 1715) SOLD
 Tsumeb, Namibia
miniature - 4.4 x 3 x 2 cm


(click on an image to enlarge)

Calcite on Willemite from Tsumeb, Namibia [db_pics/pics/r431a.jpg] Calcite on Willemite from Tsumeb, Namibia [db_pics/pics/r431b.jpg] Calcite on Willemite from Tsumeb, Namibia [db_pics/pics/r431c.jpg] Calcite on Willemite from Tsumeb, Namibia [db_pics/pics/r431d.jpg]

White Calcite crystals atop layers of solid yellow (cadmium) Willemite. The Willemite is bright yellow and translucent. Unusual! Ex. Carl Acosta collection.

R432 - Azurite on Calcite $ 600 (=~ CAN$ 823) SOLD
 Tsumeb, Namibia
miniature - 4.2 x 3 x 2 cm


(click on an image to enlarge)

Azurite on Calcite from Tsumeb, Namibia [db_pics/pics/r432a.jpg] Azurite on Calcite from Tsumeb, Namibia [db_pics/pics/r432b.jpg] Azurite on Calcite from Tsumeb, Namibia [db_pics/pics/r432c.jpg] Azurite on Calcite from Tsumeb, Namibia [db_pics/pics/r432d.jpg]

Sparkling, botryoidal white Calcite sprinkled with Azurite crystals. The Azurite crystals reach 7mm in size and are sharp with wonderful form. Superb contrast and Azurite on white Calcite is uncommon! Ex. Carl Acosta, David Ziga collections.

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