Shattuckite with Malachite and Quartz
	TH89S5: Crustal and globular growths of Shattuckite with a felted surface and a very uniform and intense blue color, with aggregates of acicular crystals of Malachite, on a Quartz matrix. Kaokoveld Mine, Kaokoveld, Kunene  Namibia (2007) Specimen size: 9.8 × 6.7 × 5.4 cm = 3.9” × 2.6” × 2.1” With handwritten label from the Desmond Sacco Collection

	Quartz (Amethyst)
TE69S5: Transparent, colorless and very neat crystals with very well marked phantom growth of deep amethyst color. The base of the sample is recrystallized and the main crystal has a small geometrical indentation on the faces of the rhombohedron. Goboboseb Mountain, Brandberg, Erongo  Namibia (2001) Specimen size: 10.4 × 9.2 × 3.8 cm = 4.1” × 3.6” × 1.5” Main crystal size: 10.4 × 2.2 cm = 4.1” × 0.9” With handwritten label from the Desmond Sacco Collection

Sceptered Quartz (Amethyst) and smoky Quartz
Front Rear Top	TF91S5: Very well defined scepter growth with echeloned faces, internal and external, and very well marked "window" forms. The sample is uniformly violet with smoky areas in the scepter. The base of the piece had been polished to give it some stability. Goboboseb Mountain, Brandberg, Erongo  Namibia (2001) Specimen size: 10.4 × 4.5 × 4.3 cm = 4.1” × 1.8” × 1.7” With handwritten label from the Desmond Sacco Collection

	Beryl (Aquamarine) with Schorl
MA90R6: Parallel growth of crystals, some of them doubly terminated, very bright, with excellent blue color, more intense than usual with samples from this locality and with neat and bright terminations. On the Aquamarine there are small crystals, very well defined, of Schorl. Erongo Mountain, Usakos-Omaruru, Erongo  Namibia (1990) Specimen size: 4.4 × 4.2 × 3.7 cm = 1.7” × 1.7” × 1.5” Main crystal size: 3 × 2.2 cm = 1.2” × 0.9” With handwritten label from the Desmond Sacco Collection	Front Top

Schorl with Beryl (Aquamarine)
	TP90S5: Crystals of Schorl formed by a single prism, a ditrigonal prism and the terminal faces of a rhombohedron. These faces are polycrystalline and partially skeletal, the walls of the edges being very well marked. The Schorl is with intense blue crystals of Beryl (Aquamarine), very transparent and bright. Erongo Mountain, Usakos-Omaruru, Erongo  Namibia (1995) Specimen size: 8.2 × 7.7 × 5.4 cm = 3.2” × 3.0” × 2.1” Main crystal size: 5 × 3 cm = 2.0” × 1.2” With handwritten label from the Desmond Sacco Collection

	Schorl
MB99R8: Group of partially doubly terminated crystals with very well defined faces and edges and perfect terminations. We specially note the size of the main crystal, considerably larger than most from this locality. Erongo Mountain, Omaruru District  Namibia (2000) Specimen size: 10 × 8 × 8.3 cm = 3.9” × 3.1” × 3.3” Main crystal size: 7.4 × 7.3 cm = 2.9” × 2.9” With handwritten label from the Desmond Sacco Collection	Front Side

Gaudefroyite
	TG36Q5: Group of doubly terminated crystals, perfectly defined. They are formed by the prism and the dipyramid, with an excellent luster. Crystal size is notable for the species. Black Rock Mine, Black Rock, Kalahari  South Africa Specimen size: 1.8 × 1.3 × 0.9 cm = 0.7” × 0.5” × 0.4” Main crystal size: 1.4 × 0.5 cm = 0.6” × 0.2”

	Gaudefroyite with Andradite and Barite
TT68Q3: Black bright thin prismatic crystals of Gaudefroyite with very well defined faces and edges and excellent terminations. They are with a sharp white Barite crystal and are on a matrix coated by small crystals of deep colored Andradite. Black Rock Mine, Black Rock, Kalahari  South Africa (1987) Specimen size: 8.7 × 6.2 × 3.4 cm = 3.4” × 2.4” × 1.3” Main crystal size: 0.7 × 0.2 cm = 0.3” × 0.1”

Shigaite on Rhodochrosite
	TY47Q3: Laminar crystals of this rare species. They have a sharp hexagonal shape, deep red-brown color and they are translucent and very bright. On Rhodochrosite matrix. N'Chwaning I Mine, Kuruman, Kalahari  South Africa (1996) Specimen size: 3.7 × 2.9 × 1.8 cm = 1.5” × 1.1” × 0.7” Main crystal size: 0.3 × 0.2 cm = 0.1” × 0.1” Rhodochrosite fluorescent long & short UV

	Shigaite on Rhodochrosite
TB69Q3: Tabular crystals of this rare species. They have a hexagonal shape, intense red brown color, deeper near the edges of the crystals, from translucent to transparent and very bright. On Rhodochrosite matrix. N'Chwaning I Mine, Kuruman, Kalahari  South Africa (1996) Specimen size: 3.3 × 2.7 × 1.4 cm = 1.3” × 1.1” × 0.6” Main crystal size: 0.5 × 0.3 cm = 0.2” × 0.1” Rhodochrosite fluorescent long & short UV

Inesite with Calcite
Front Rear	TF28Q3: Bright orange acicular crystals of Inesite. They are on Calcite which is on matrix. Calcite has grown in two successive generations, the first one is micro-crystalline and has a botryoidal development, the second crystallized in rhombohedrons. N'Chwaning II Mine, Kuruman, Kalahari  South Africa Specimen size: 6.3 × 3.8 × 2.3 cm = 2.5” × 1.5” × 0.9” Main crystal size: 0.5 × 0.1 cm = 0.2” × 0.0” Calcite fluorescent long & short UV

	Inesite with Natrolite
TM47Q3: A radial group of Inesite crystals. They have an intense orange-red color on a group of white crystals of Natrolite with good terminations and on matrix. N'Chwaning II Mine, Kuruman, Kalahari  South Africa (±1985) Specimen size: 5 × 3.5 × 4.7 cm = 2.0” × 1.4” × 1.9” Main crystal size: 1.5 × 1.5 cm = 0.6” × 0.6”	Front Top

Inesite with Apophyllite-(KOH), Calcite and Prehnite
	TP28R6: Spheroidal aggregate of acicular crystals of Inesite of good color, with a very aerial group of tabular crystals of Barite and partially coated by small crystals of Calcite. The crystals are on a base of Prehnite. N'Chwaning II Mine, Kuruman, Kalahari  South Africa Specimen size: 5.5 × 5 × 3.2 cm = 2.2” × 2.0” × 1.3” Main crystal size: 1.1 × 1 cm = 0.4” × 0.4”

	Inesite with Calcite
TR50Q5: Globular growth of acicular crystals. It has very deep color and small groups of very acute scalenohedral crystals of Calcite. N'Chwaning II Mine, Kuruman, Kalahari  South Africa Specimen size: 6.9 × 4.2 × 2.9 cm = 2.7” × 1.7” × 1.1” Calcite fluorescent long & short UV

Rhodochrosite with Manganite
	TK98Q3: The crystals of the piece have a very uncommon habit, formed of subparallel polycrystalline aggregates with very well marked color zoning with a clearer strip in the center. They are on Manganite matrix. The sample is from the well known find of 1978. N'Chwaning I Mine, Kuruman, Kalahari  South Africa (1978) Specimen size: 2.4 × 1.6 × 1.1 cm = 0.9” × 0.6” × 0.4” Main crystal size: 1.2 × 1.2 cm = 0.5” × 0.5”

	Rhodochrosite
TC57Q5: Aggregate of crystals formed by the prism and the faces of flattened rhombohedra on the terminations. Color is intense, very vivid, pink with white zoning and the luster is excellent. The piece has great quality, both front and back. N'Chwaning II Mine, Kuruman, Kalahari  South Africa Specimen size: 3.6 × 2.7 × 2.2 cm = 1.4” × 1.1” × 0.9” Main crystal size: 0.6 × 0.6 cm = 0.2” × 0.2” Fluorescent long & short UV	Front Rear

Rhodochrosite with Manganite
	TB97Q3: Group of scalenohedral crystal with the exceptional deep red color that has made the Kuruman Rhodochrosite famous. The crystals are very bright and are on Manganite matrix. The sample is from the well known find of 1978. N'Chwaning I Mine, Kuruman, Kalahari  South Africa (1978) Specimen size: 2.5 × 1.9 × 1.2 cm = 1.0” × 0.7” × 0.5” Main crystal size: 1 × 0.4 cm = 0.4” × 0.2”

	Kutnohorite with Rhodochrosite
EC66R6: Aggregates of divergent sprays of acicular crystals of Kutnohorite epitaxial on Rhodochrosite. The analysis shows the presence of both species, not easily distinguishable with the naked eye. N'Chwaning II Mine, Kuruman, Kalahari  South Africa (±2005) Specimen size: 4.3 × 4.2 × 3.1 cm = 1.7” × 1.7” × 1.2” Main crystal size: 3 × 0.7 cm = 1.2” × 0.3” With handwritten label from the Desmond Sacco Collection Fluorescent short UV

Olmiite with Celestine
	MH47R6: Globular growths of Olmiite crystals of unusual appearance, with very well defined faces and edges, of clear brown color and very bright. On matrix, with associated acicular crystals of Celestine. N'Chwaning II Mine, Kuruman, Kalahari  South Africa (±2008) Specimen size: 8.1 × 4.1 × 3.5 cm = 3.2” × 1.6” × 1.4” With handwritten label from the Desmond Sacco Collection Minor fluorescence short UV

	Hausmannite with Andradite
TQ88R0: Parallel growths of sharp bright pyramids with very well defined faces and edges. They are on a matrix with small crystals of Andradite. More esthetic than usual for the species. Wessels Mine, Hotazel, Kalahari  South Africa Specimen size: 5 × 3.8 × 3.5 cm = 2.0” × 1.5” × 1.4” Main crystal size: 0.8 × 0.7 cm = 0.3” × 0.3”

Rhodochrosite with Tsumcorite and Galena
	TF89Q6: Scalenohedral crystals of Rhodochrosite, very infrequent in Tsumeb, of intense pink color, implanted on a matrix rich of Galena and Yellow crystals of Tsumcorite. We’ll send a copy of the analysis. Tsumeb Mine, Tsumeb  Namibia Specimen size: 4 × 2.7 × 2.2 cm = 1.6” × 1.1” × 0.9” Main crystal size: 1.1 × 0.6 cm = 0.4” × 0.2” Minor fluorescence short UV

	Descloizite with Calcite
TG96Q3: Well known from Berg Aukas, Descloizite is an uncommon species at Tsumeb. The sample, an excellent miniature, is formed by bright aerial crystals of sharp crystals with very well defined faces and edges and on matrix. Tsumeb Mine, Tsumeb  Namibia Specimen size: 4.4 × 2.3 × 1.5 cm = 1.7” × 0.9” × 0.6” Main crystal size: 1 × 0.7 cm = 0.4” × 0.3”	Front Side

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”

	Wulfenite with Azurite and Dolomite
TR27Q3: Yellow laminar crystals of Wulfenite on a matrix coated by very small crystals of Azurite and rhombohedral crystals of Dolomite. Tsumeb Mine, Tsumeb  Namibia Specimen size: 8 × 3.4 × 2 cm = 3.1” × 1.3” × 0.8” Main crystal size: 0.8 × 0.5 cm = 0.3” × 0.2”

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

	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

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

	Cuprian Adamite
TV97Q3: Unusually individualized crystals with very well defined faces and edges, some of them doubly terminated, with excellent terminations. On Limonite matrix. Tsumeb Mine, Tsumeb  Namibia Specimen size: 4.3 × 3.2 × 2.9 cm = 1.7” × 1.3” × 1.1” Main crystal size: 0.6 × 0.3 cm = 0.2” × 0.1”	Front Side

Cuprian Adamite
Front Rear	TJ48Q3: Radial group of crystals of exceptional size for Tsumeb. They are very well defined, with excellent terminations and a tabular crystal of Wulfenite on the back. This crystal of Wulfenite has a little damage on an edge but the Adamite is perfect. An excellent miniature. Tsumeb Mine, Tsumeb  Namibia Specimen size: 1.5 × 1.7 × 1.3 cm = 0.6” × 0.7” × 0.5” Main crystal size: 0.5 × 0.2 cm = 0.2” × 0.1”

	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”

Smithsonite
Front Rear	TD47Q5: Crystal, on matrix, with very well defined faces and edges, unusually elongated for the species and formed by a ditrigonal prism and an acute terminal rhombohedron. We specially note the degree of transparency, rare with Smithsonite crystals. Tsumeb Mine, Tsumeb  Namibia Specimen size: 2.5 × 2.5 × 2 cm = 1.0” × 1.0” × 0.8” Main crystal size: 1.8 × 0.4 cm = 0.7” × 0.2”

	Smithsonite
TC28Q3: Very aerial and esthetic group of bright acute rhombohedral crystals with very well defined faces and edges. Their color, deep pink, is really excellent. Tsumeb Mine, Tsumeb  Namibia Specimen size: 3.9 × 3.6 × 1.9 cm = 1.5” × 1.4” × 0.7” Main crystal size: 1.3 × 0.8 cm = 0.5” × 0.3”	Front Rear

Smithsonite
	ML99R8: Crystals of Smithsonite of a considerable size, with the single form of a relatively acute rhombohedron with very well defined faces and edges, and with phantom growths and small red inclusions of Hematite. Crystals are coating a cavernous matrix partially coated by Quartz. Tsumeb Mine, Tsumeb  Namibia (1980) Specimen size: 8.4 × 5.6 × 5.4 cm = 3.3” × 2.2” × 2.1” Main crystal size: 1.2 × 1.2 cm = 0.5” × 0.5” With handwritten label from the Desmond Sacco Collection

	Cuprian Smithsonite
MT27V0: Aerial group of globular aggregates of small crystals that are very bright and have a very intense green color that corresponds to the cuprian variety of this species. Tsumeb Mine, Tsumeb  Namibia (1970-1985) Specimen size: 3.3 × 3.2 × 1.6 cm = 1.3” × 1.3” × 0.6” With handwritten label from the Desmond Sacco Collection

Cadmium Smithsonite
	ME99V0: Aggregate of acute rhombohedral crystals with very well defined faces and edges, and with neat and very well marked geometrical zoning. They are a very bright and with very intense yellow color that corresponds to the cadmian variety of this species. Tsumeb Mine, Tsumeb  Namibia (1970-1985) Specimen size: 5.1 × 4.4 × 4 cm = 2.0” × 1.7” × 1.6” Main crystal size: 1 × 0.8 cm = 0.4” × 0.3” With handwritten label from the Desmond Sacco Collection

	Mimetite with Pyrite
TA97Q3: Esthetic group of crystals, some of them doubly terminated, with excellent deep yellow color and good luster and transparency and placed on a matrix rich of Pyrite. Tsumeb Mine, Tsumeb  Namibia Specimen size: 3.2 × 2.2 × 1.9 cm = 1.3” × 0.9” × 0.7” Main crystal size: 1.4 × 0.3 cm = 0.6” × 0.1”

Mimetite
	MP50T7: Unusual spheroidal growths, on a limonite matrix, with a very intense yellow color. They look like the Mimetite from San Pedro Corralitos, México. The sample, according to Desmond Sacco is from one of the first finds of this secondary species in the oxidation zone at Tsumeb, during the first days of its exploitation. With a handwritten Sacco collection label, that we’ll send to the buyer. Tsumeb Mine, Tsumeb  Namibia Specimen size: 8.6 × 6.9 × 3.4 cm = 3.4” × 2.7” × 1.3” Main crystal size: 0.4 × 0.3 cm = 0.2” × 0.1” With handwritten label from the Desmond Sacco Collection

	Cerussite with Dioptase
TF47Q3: Group of twinned crystals of Cerussite with very well defined faces and edges. It is very bright, transparent, with a very nice smoky color and is on a matrix with doubly terminated crystals of Dioptase. An excellent, very uncommon, association. Tsumeb Mine, Tsumeb  Namibia Specimen size: 2.9 × 1.6 × 1.4 cm = 1.1” × 0.6” × 0.6” Minor fluorescence short UV

Anglesite with Galena
Front Rear	TF28Q5: Parallel growths of crystals with very well defined faces and edges, a bluish-gray color, and implanted on a small matrix. We note the quality of the crystals due to the locality, in which the Anglesite is well known but, at the same time, scarce. Tsumeb Mine, Tsumeb  Namibia Specimen size: 4.2 × 2.2 × 2 cm = 1.7” × 0.9” × 0.8” Main crystal size: 3.5 × 1.5 cm = 1.4” × 0.6”

	Dioptase with Calcite
TF47Q5: Group of crystals on matrix, some of them doubly terminated, with very well defined faces and edges. Furthermore, they have excellent luster and color. Tsumeb Mine, Tsumeb  Namibia Specimen size: 3.4 × 2.9 × 1.9 cm = 1.3” × 1.1” × 0.7” Main crystal size: 0.9 × 0.3 cm = 0.4” × 0.1” Calcite fluorescent long & short UV	Front Rear

Dioptase
Front Rear	TM97Q3: Group of crystals of a considerable size for the species. Some of them are doubly terminated and they all have very well defined faces and edges. Color and luster are excellent. Tsumeb Mine, Tsumeb  Namibia Specimen size: 2.2 × 2.6 × 1.6 cm = 0.9” × 1.0” × 0.6” Main crystal size: 1.9 × 0.9 cm = 0.7” × 0.4”

	Dioptase with Calcite
TG68R0: Group of crystals of Dioptase with very well defined faces and edges, one of them clearly dominant and of a considerable size for the species. The group is on matrix with small white Calcite crystals. Tsumeb Mine, Tsumeb  Namibia Specimen size: 3.4 × 2.9 × 2.8 cm = 1.3” × 1.1” × 1.1” Main crystal size: 2 × 1 cm = 0.8” × 0.4”

Dioptase
Front Top	MK16R6: Magnificent group, on matrix, of sharp crystals, one of them clearly dominant and very large for the species. The crystals have very uniform and deep color and are very bright. Tsumeb Mine, Tsumeb  Namibia Specimen size: 3.7 × 3.2 × 2.3 cm = 1.5” × 1.3” × 0.9” Main crystal size: 2 × 2 cm = 0.8” × 0.8” With handwritten label from the Desmond Sacco Collection

	Calcite with Duftite
TR46Q3: Very aerial group of very well defined rhombohedral crystals with a lot of their edges fringed by green globular growths of Duftite. Tsumeb Mine, Tsumeb  Namibia Specimen size: 3.2 × 2.2 × 2.2 cm = 1.3” × 0.9” × 0.9” Main crystal size: 1.3 × 1 cm = 0.5” × 0.4” Fluorescence short UV & low fluorescence long UV	Front Rear

Copper with Calcite
	TH26Q3: Very aerial dendritic growth of cubic crystals, some of them sharp and with very well defined faces and edges, with a transparent rhombohedral crystal of Calcite crowning the piece. Tsumeb Mine, Tsumeb  Namibia Specimen size: 2.2 × 2.2 × 2.1 cm = 0.9” × 0.9” × 0.8” Main crystal size: 0.3 × 0.2 cm = 0.1” × 0.1” Calcite fluorescent short UV

	Cuprite with Calcite
TA86Q3: Isolated and grouped octahedral crystals of Cuprite, sharp and with very well defined faces and edges, translucent and deep red colored and on Calcite matrix. Tsumeb Mine, Tsumeb  Namibia Specimen size: 3.4 × 2.5 × 1.3 cm = 1.3” × 1.0” × 0.5” Main crystal size: 0.5 × 0.4 cm = 0.2” × 0.2” Calcite with fluorescence short UV & low fluorescence long UV

Cuprite with Malachite
Front Rear	TC27Q5: Group of dodecahedral crystals with very well defined faces and edges, with thin coatings of Malachite on some areas of the crystals and deep red transparency under a strong light. Tsumeb Mine, Tsumeb  Namibia Specimen size: 2.4 × 1.4 × 1.3 cm = 0.9” × 0.6” × 0.5” Main crystal size: 1.7 × 1.4 cm = 0.7” × 0.6”

	Malachite after Azurite with Cerussite
TM14R0: Group of Malachite crystals pseudomorphous after Azurite, one of them clearly dominant, partially doubly terminated and with very well defined faces and edges, some of them selectively coated by small crystals of Cerussite. Tsumeb Mine, Tsumeb  Namibia Specimen size: 2.6 × 2.3 × 2.4 cm = 1.0” × 0.9” × 0.9” Main crystal size: 1.3 × 0.7 cm = 0.5” × 0.3”

Malachite with Calcite
	TZ27Q3: Globular felted growths, well known as “velvet”, on matrix. They have a very vivid color and are on a matrix rich of Calcite. Tsumeb Mine, Tsumeb  Namibia Specimen size: 5.7 × 4.3 × 1.9 cm = 2.2” × 1.7” × 0.7” Main crystal size: 0.7 × 0.7 cm = 0.3” × 0.3”

	Malachite after Azurite with Duftite
TM68Q3: Group of thick prismatic crystals pseudomorphic after Azurite and coated, on the surface of the crystal faces, by silky fibrous recrystallizations, some of them forming fanlike groups. On matrix and with yellowish-green Duftite. Tsumeb Mine, Tsumeb  Namibia Specimen size: 4 × 5.4 × 3.5 cm = 1.6” × 2.1” × 1.4” Main crystal size: 3.6 × 3.2 cm = 1.4” × 1.3”	Front Side

Azurite with Malachite and Quartz
	TQ91Q3: The sample is from the famous Easter Pocket, found in 1994. It has sharp Azurite crystals with very well defined faces and edges. The crystals are translucent and have vivid indigo blue reflections. On matrix, with Malachite and Quartz. Easter Pocket, 8 level, Tsumeb Mine, Tsumeb  Namibia (1994) Specimen size: 6.4 × 4.9 × 3.2 cm = 2.5” × 1.9” × 1.3” Main crystal size: 1.5 × 1.2 cm = 0.6” × 0.5”

	Azurite
MJ50R8: Group of slightly elongated lenticular crystals of intense and vivid blue color and translucent edges. The piece is a real rarity, coming from a very unknown mine. Tschudi mine, Otavi, Otjozondjupa  Namibia (±2007) Specimen size: 4.6 × 3.3 × 2.7 cm = 1.8” × 1.3” × 1.1” Main crystal size: 0.5 × 0.4 cm = 0.2” × 0.2” With handwritten label from the Desmond Sacco Collection	Front Rear