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RM1526   Smithsonite
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Group of very sharp and well defined rhombohedral crystals of smithsonite. With an nice luster, transparent to translucent and a nice pink color. On a matrix with pyrite. Aesthetic specimen from Tsumeb.


Size: 6.0 x 5.4 x 3.5 cm.
Main crystal: 7 x 4 mm.

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RM1455   Boltwoodite with calcite
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A elongated vug lined with small calcite crystals on which are scatterd some radial clusters of acicular yellow to orange crystals of boltwoodite. This specimen is labeled as Rössing mine but during many years excellent boltwoodite samples were labeled as "Rössing" and thus confused with the Rössing Uranium mine in the area (which never produced any boltwoodite specimens). The correct locality is Goanikontes, a uranium claim 4 km SE of Goanikontes and 27 km E of Swakopmund, at a distance of 40 km from the Rössing Uranium Mine.


Size: 5.3 x 4.3 x 3.0 cm.
Main crystal: 4 mm.
Found in 1990's

Fluorescent under long wave UV
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RM1437   Leiteite
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Leiteite is a very interesting zinc arsenate, one of the preciated rare species for Tsumeb Mine, which is the type locality. This is a elongated foliated to fibrous with pearlescent sample, with some transparence to translucent. This specimen was collected early 80s on mine level 44. A superb and really large specimen of this very rare mineral.


Size: 5.5 x 0.35 x 0.15 cm
Found in 1982.

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RM852   Smoky Scepter Quartz
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A scepter quartz crystal with smoky tones, transparence and brilliance. With window growths on rhombohedral faces. Very aesthetic.


Size: 6.8 x 3.7 x 3.4 cm.

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RM874   Smithsonite

Group of rhombohedral smithsonite crystals, with a pink color. Accompanied by a group of quartz crystals. From a classic worldwide locality for mineral collectors.


Size: 10.0 x 7.2 x 5.8 cm.
Main crystal: 7 x 5 mm.
Found in 1990's.

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RM1101   Twinned cerussite with malachite
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An exceptional specimen. It shows a well-formed cyclic twin of cerussite crystals, well defined, bright, colorless and transparent. They are disposed very aerial on a matrix with malachite and some other crystals of the same species, also twinned but in "V" shape. A full aesthetic specimen of this very appreciated mine.


Size: 4.0 x 3.3 x 2.3 cm.
Main crystal: 27 x 14 mm.



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RM1102   Cerussite
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A group of cerussite crystals from this classic mine. It is a very interesting specimen because one of the crystals shows a very unusual number of faces. It is transparent, brilliant and with tabular shape. Color is slightly yellowish and with inclusions. With some ciclic twins. Good one. From the collector and dealer Luis "Louie" Antonio Bravi Teixeira Leite (1942-1999).


Size: 5.4 x 4.0 x 3.7 cm.
Main crystal: 17 x 15 mm.

Ex-coll. Luis Leite. Nr. 523037.


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RM1098   Smithsonite

Very rich group of smithsonite rhombohedral crystals. Light pink color, brilliant, transparent. A very interesting piece of this famous mine.


Size: 4.0 x 3.5 x 2.5 cm.
Main crystal: 3 x 3 mm.
Found in 1959-1962.

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RM1103   Smithsonite
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Very rich group of smithsonite rhombohedral crystals. Pink to reddish color, brilliant, transparent. A very interesting piece of this famous mine.


Size: 4.0 x 3.4 x 2.5 cm.
Main crystal: 4 x 3 mm.

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RM780   Beryl (var. aquamarine) with smoky quartz, schorl and feldspar
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Exceptional specimen of beryl, variety aquamarine, very aerial disposed on a matrix rich in developed smoky quartz crystals. Beryl shows very good transparency and blue color. Accompanied by another beryl doubly terminated in smoky quartz. Also with black schorl crystals and feldspar. The crystal has a small dent, but a very aesthetic piece.


Size: 9,5 x 9,0 x 3,7 cm.
Main crystal: 19 x 8 mm.

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RM753   Twinned cerussite
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Group of very sharp cerussite crystals presenting an interesting displaced cyclic twin. The piece, with good size, is a floater, translucent and with an excellent luster. It is very rich in faces and very aesthetic. It comes from the classic Tsumeb mine. With labels from former collections.


Size: 5,0 x 4,0 x 3,0 cm.

Fluorescent under long wave UV


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RM707   Native copper

Specimen of native copper from this classic Namibian mine. It shows a very aesthetic growth between arborescent to skeletal, with elongated copper crystals. A pleasure under magnification. The copper color is natural, without chemical treatments. An old sample of a well-known and appreciated by collectors locality as it is Tsumeb.


Size: 7,7 x 5,2 x 3,2 cm.
Found in ca 1980's.

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RM689   Tennantite with quartz
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A very rich tennantite specimen from the collector and dealer Luis "Louie" Antonio Bravi Teixeira Leite (1942-1999). It is formed by several interpenetrated tetrahedrons with good luster and defined faces and edges. Good sample to enjoy crystallography. A classic from a former collection.


Size: 8,3 x 6,0 x 5,0 cm.
Main crystal: 22 x 20 mm.
Found in ca. 1980's.

Ex-coll. Luis Leite.
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RM697   Tennantite with quartz and dolomite
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A tennantite rich specimen from the classic Tsumeb. We can observe some tetrahedron tennantite crystals with curved faces and defined edges, with luster. Some of them show broken areas, but aesthetics is quite good. Old specimen.


Size: 7,7 x 4,8 x 4,7 cm.
Main crystal: 18 x 17 mm.
Found in 1970's.

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RM530   Twinned cerussite
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A classic from Tsumeb mines. It shows a group of very sharp cerussite crystals forming this aesthetic cyclic twinned rosette. Excellent brilliance, good transparency and color from yellow to grayish tones, according to the light striking them. They are aerial disposed on the matrix and accompanied by other small cerussite crystals. It is unusual to get these twins on matrix.


Size: 6,5 x 5,4 x 4,5 cm.
Main crystal: 3,0 x 2,5 x 1,5 cm. (aggr)

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RM452   Tsumcorite with duftite and mimetite
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Tsumcorite is a rare lead, zinc and iron arsenate, with Type Locality in Tsumcorp mine (abbreviation of Tsumeb Corporation). This company worked this copper mine during many years, in the Tsumeb mining area. This specimen is very rich in intense orange-brown small crystals of tsumcorite. We can observe platy lanceolated tabular crystals. They are accompanied by mimetite globular aggregates partially covered by brilliant deep green duftite crystals. Huge size, great specimen and rare mineral, all combined. This specimen has been analyzed.


Size: 7,3 x 6,6 x 6,4 cm.

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