Fabre Minerals
FABRE MINERALS
High quality mineral specimens
Bringing you selected collectible minerals since 1971
Fabre Minerals


Pre-Ste. Marie 2010 Update

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FROM THE DESMOND SACCO COLLECTION


Text: Carles Curto (curator of the Geology Museum, Barcelona ) & Jordi Fabre
Assistance from John S. White (former Smithsonian curator)

 


Desmond Sacco is an authority when it comes to African as well as worldwide minerals. I met him many years ago at the Munich Show when it was in the city of Munich and Desmond was one of the stars of the show, buying the best that appeared there. His collection was legendary, not only because of the wonders we knew he would certainly have acquired given his position in the mines of the Kalahari Manganese Field (Hotazel, Wessels, N'Chwaning.) and his proximity to the legendary Tsumeb, but also because we saw what he was buying, and thus got an idea of the quality of his collection.

Many years and many mineral Munich shows have now passed and, for the first time, Desmond Sacco has decided to sell some specimens from his collection, starting with miniatures and thumbnails and some cabinet specimens. We have been fortunate to acquire the first batch, consisting of material from Tsumeb and the Kalahari, and with these we can make a virtual trip to the mines and minerals guided by Desmond and his collecting criteria.


From the web page of Desmond Sacco

Desmond does not have any labels for these specimens, so we can't include them. We know it would be better if he had a pedigree related with each specimen from his collection, but the specimens are "as they are," without any label, other than ours. Anyway, Desmond Sacco kindly revised this page, just to be sure that everything is accurate.

We hope you enjoy these samples, which represent an important part of mineralogy and mineral collecting in Africa.

Jordi Fabre

Rhodochrosite
Rhodochrosite.

TL66Q6: Spheroidal aggregates of very bright small lenticular crystals with a very intense pink color. We’ll send a copy of the analysis.
N'Chwaning II Mine, Kuruman, Kalahari  South Africa

Specimen size: 3.6 × 2 × 1.3 cm = 1.4” × 0.8” × 0.5”

Fluorescent long & short UV

Former Desmond Sacco collection

Sold
Rosasite with Calcite

TK46Q6: Very bright spheroidal growths of Rosasite. They are translucent and have an extraordinary and surprising very deep blue color and with rhombohedral crystals of Calcite. We’ll send a copy of the analysis.
Tsumeb Mine, Tsumeb  Namibia

Specimen size: 3.1 × 2.2 × 2.1 cm = 1.2” × 0.9” × 0.8”

Former Desmond Sacco collection


Rosasite with Calcite. Rosasite with Calcite.
Sold
Mimetite with Cuprite and Calcite
Mimetite with Cuprite and Calcite. Mimetite with Cuprite and Calcite.

TD26Q6: Yellow globular growths and flattened crystals of hexagonal shape on matrix, with a small group of cube-octahedral crystals of Cuprite and white crystals of Calcite. We’ll send a copy of the analysis.
Tsumeb Mine, Tsumeb  Namibia

Specimen size: 4.1 × 3.2 × 2.9 cm = 1.6” × 1.3” × 1.1”

Main crystal size: 0.5 × 0.4 cm = 0.2” × 0.2”

Calcite fluorescent long & short UV

Former Desmond Sacco collection

Order
Mimetite with Cuprite and Calcite

TB66Q6: White laminar crystals of Mimetite of hexagonal shape with a Cuprite crystal with multiple growths and small crystals of Calcite, on matrix. We’ll send a copy of the analysis.
Tsumeb Mine, Tsumeb  Namibia

Specimen size: 3.9 × 2.9 × 2.2 cm = 1.5” × 1.1” × 0.9”

Main crystal size: 0.5 × 0.4 cm = 0.2” × 0.2”

Calcite fluorescent long & short UV

Former Desmond Sacco collection

Mimetite with Cuprite and Calcite. Mimetite with Cuprite and Calcite.
Order
Smithsonite
Smithsonite.

TQ96Q6: Isolated rhombohedral crystal, a very infrequent case in Tsumeb, with very well defined faces and edges, bright, with colored inclusions and very aerial on a metallic matrix coated by the same Smithsonite. We’ll send a copy of the analysis.
Tsumeb Mine, Tsumeb  Namibia

Specimen size: 2.2 × 1.4 × 1.5 cm = 0.9” × 0.6” × 0.6”

Main crystal size: 1.3 × 1.2 cm = 0.5” × 0.5”

Former Desmond Sacco collection


Sold
Willemite

TH27Q6: Translucent spheroidal growths of bluish-green color with acicular crystals of Goethite. We’ll send a copy of the analysis.
Tsumeb Mine, Tsumeb  Namibia

Specimen size: 2.9 × 1.8 × 1.4 cm = 1.1” × 0.7” × 0.6”

Fluorescence short UV & low fluorescence long UV

Former Desmond Sacco collection

Willemite.
Order
Willemite
Willemite.

TJ67Q6: Clear green spheroidal growths with very intense silky luster and on matrix. An excellent miniature. We’ll send a copy of the analysis.
Tsumeb Mine, Tsumeb  Namibia

Specimen size: 2.9 × 2 × 1.9 cm = 1.1” × 0.8” × 0.7”

Fluorescent long & short UV

Former Desmond Sacco collection

Order
Gartrellite with Bayldonite and Azurite

TC97Q6: Vivid yellow concertina-shaped growths of the rare species Gartrellite, with Azurite crystals and a group of Bayldonite with very well defined faces and edges which is very rare. We’ll send a copy of the analysis of the Gartrellite and the Bayldonite.
Tsumeb Mine, Tsumeb  Namibia

Specimen size: 3.4 × 2.1 × 2.1 cm = 1.3” × 0.8” × 0.8”

Main crystal size: 2.2 × 2.2 cm = 0.9” × 0.9”

Former Desmond Sacco collection


Gartrellite with Bayldonite and Azurite.
Gartrellite with Bayldonite and Azurite. Gartrellite with Bayldonite and Azurite.
Sold
Adamite
Adamite.
Adamite.

TA97Q6: Exceptional for the locality. A group of yellow crystals, some of them doubly terminated. The main crystal, of a big size, has very well defined faces and edges. We’ll send a copy of the analysis.
Tsumeb Mine, Tsumeb  Namibia

Specimen size: 4.3 × 1.8 × 2.3 cm = 1.7” × 0.7” × 0.9”

Main crystal size: 2.2 × 1.2 cm = 0.9” × 0.5”

Minor fluorescence long & short UV

Former Desmond Sacco collection

Sold


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