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Cobaltoan Calcite.
EA14T0: Cobaltoan Calcite
The sample shows two different generations of cobaltoan Calcite, one of them with crystals having a very short prism with rhombohedral terminations and stalagmitic growths, and a second in which the crystals are slightly clear very well defined rhombohedrons with polycrystalline growths on their faces. The color is very intense and the crystals have small black inclusions.
Agoudal Mines, Tansifite, Agdz, Bou Azzer mining district, Zagora Province, Drâa-Tafilalet Region  Morocco (05/2011)
Specimen size: 8.2 × 6.9 × 4.1 cm = 3.23” × 2.72” × 1.61”
Price: [SOLD]
Cobaltoan Calcite.
EZ6Y2: Cobaltoan Calcite
A novelty at St. Marie 2013 (because of the scalenohedral crystals). Druse, on matrix, of very acute scalenohedral crystals with rhombohedral terminations. They are between transparent and translucent and have a color between deep pink and mauve, with a second generation of crystals with the same morphology, but with orange shades.
This specimen was published on the Mineralogical Record´s web page, in the ‘What’s New in the Mineral World?’ section, report #35, August 14, 2013 edition.
Agoudal Mines, Tansifite, Agdz, Bou Azzer mining district, Zagora Province, Drâa-Tafilalet Region  Morocco (2013)
Specimen size: 7.8 × 7.5 × 5.2 cm = 3.07” × 2.95” × 2.05”

Main crystal size: 1.1 × 0.4 cm = 0.43” × 0.16”
Price: [SOLD]
Cobaltoan Calcite.
EB86Y2: Cobaltoan Calcite
A novelty at St. Marie 2013 (because of the scalenohedral crystals). Aggregate, on Quartz matrix, of very acute scalenohedral crystals with rhombohedral terminations. They are between transparent and translucent and have a color between deep pink and mauve, with a second generation of crystals with the same morphology, but with orange shades.
Agoudal Mines, Tansifite, Agdz, Bou Azzer mining district, Zagora Province, Drâa-Tafilalet Region  Morocco (2013)
Specimen size: 10.8 × 7.6 × 5.2 cm = 4.25” × 2.99” × 2.05”
Price: [SOLD]
Cobaltoan Calcite.
TQ16L0: Cobaltoan Calcite
A group of scalenohedral crystals, very acute and very rich in accessory faces. Really good transparency, perfect brilliance and intense pink to mauve color.
Ightem Mine, Bou Azzer mining district, Zagora Province, Drâa-Tafilalet Region  Morocco
Specimen size: 3.5 × 3.4 × 2.3 cm = 1.38” × 1.34” × 0.91”

Main crystal size: 1.7 × 1 cm = 0.67” × 0.39”
Price: [SOLD]
Cobaltoan Calcite.
EP16K3: Cobaltoan Calcite
Group of lenticular crystals with an especially intense color and luster. The base of the specimen is sawn but it doesn’t diminish the esthetic value of the specimen.
Mashamba West Mine, Kolwezi District, Lualaba, Katanga Copper Crescent, Katanga (Shaba)  Democratic Republic of the Congo (Zaire)
Specimen size: 6.7 × 5.2 × 2.6 cm = 2.64” × 2.05” × 1.02”
Price: [SOLD]
Cobaltoan Calcite.
RA86Y9: Cobaltoan Calcite
Fine banded growths that alternate bands of very intense and deep color contrasting with others that have a very pale color. As a rarity, we note the presence of a small geode with very acute cobaltoan Calcite crystals, very rare for the locality.
Solita Mine, Peramea, Baix Pallars, Comarca Pallars Sobirà, Lérida / Lleida, Catalonia / Catalunya  Spain
Specimen size: 14.5 × 8.6 × 4.8 cm = 5.71” × 3.39” × 1.89”
Price: [SOLD]
Cobaltoan Calcite.
RR27V1: Cobaltoan Calcite
Banded growths of cobaltoan Calcite with a very intense color alternating with fine bands of white and yellowish Calcite. The sample, in spite its fine surface, hasn't been acid-etched, as its rough surfaces in most areas and the existence of easily altered carbonates proves.
The sample is with a card from the Folch collection (number 2052) that we'll send to the buyer.
Solita Mine, Peramea, Baix Pallars, Comarca Pallars Sobirà, Lérida / Lleida, Catalonia / Catalunya  Spain
Specimen size: 13.5 × 10 × 6.5 cm = 5.31” × 3.94” × 2.56”
Price: [SOLD]
Cobaltoan Calcite.
RJ47W6: Cobaltoan Calcite
Translucent polished section with banded growths and nucleus of very intense color. The sample has on some of its sides the original matrix that contrasts with the deep color of the Calcite.
Solita Mine, Peramea, Baix Pallars, Comarca Pallars Sobirà, Lérida / Lleida, Catalonia / Catalunya  Spain
Specimen size: 11.2 × 11 × 1.8 cm = 4.41” × 4.33” × 0.71”
Price: [SOLD]
Cobaltoan Calcite.
RC98Q5: Cobaltoan Calcite
Polished section with concretionary growths with excellent color, very deep. Though we don’t usually present polished samples, in this case we made an exception because of the unusual quality of the color of the Calcite and the collection of precedence, the mine (now totally abandoned and collapsed) was precisely exploited to obtain such pieces.
Solita Mine, Peramea, Baix Pallars, Comarca Pallars Sobirà, Lérida / Lleida, Catalonia / Catalunya  Spain (±1978)
Specimen size: 14.3 × 11.2 × 1.7 cm = 5.63” × 4.41” × 0.67”
Price: [SOLD]
Cobaltoan Calcite.
EA76AB7: Cobaltoan Calcite
Aggregate, on matrix, of rhombohedral crystals with curved faces and edges. The luster is excellent but the mauve color is extraordinary, very intense and with beautiful shades and reflections.
Oumlil Mine, Oumlil, Bou Azzer mining district, Zagora Province, Drâa-Tafilalet Region  Morocco (2013)
Specimen size: 10 × 6.2 × 4.3 cm = 3.94” × 2.44” × 1.69”

Main crystal size: 1.2 × 1.1 cm = 0.47” × 0.43”
Price: [SOLD]
Cobaltoan Calcite on Calcite with Aurichalcite inclusions (variety zeiringite).
RC11Y9: Cobaltoan Calcite on Calcite with Aurichalcite inclusions (variety zeiringite)
Cobaltoan Calcite core with a very intense and deep mallow color included in a very pale green banded Calcite whose color (variety zeiringite) is due to the presence of Aurichalcite inclusions.
Solita Mine, Peramea, Baix Pallars, Comarca Pallars Sobirà, Lérida / Lleida, Catalonia / Catalunya  Spain
Specimen size: 4.9 × 4 × 4.4 cm = 1.93” × 1.57” × 1.73”
Price: [SOLD]
Cobaltoan Calcite with Calcite and Aurichalcite.
RG47W6: Cobaltoan Calcite with Calcite and Aurichalcite
Botryoidal growths, on matrix, of translucent cobaltoan Calcite. It has a very uniform, intense and deep color and it is with yellowish globular growths of Calcite and thin surfaces of pale greenish Aurichalcite.
Solita Mine, Peramea, Baix Pallars, Comarca Pallars Sobirà, Lérida / Lleida, Catalonia / Catalunya  Spain
Specimen size: 11.7 × 11.4 × 7.6 cm = 4.61” × 4.49” × 2.99”

Main crystal size: 0.8 × 0.3 cm = 0.31” × 0.12”
Price: [SOLD]
Cobaltoan Dolomite.
EH96T4: Cobaltoan Dolomite
Groups and single rhombohedral crystals with very well defined faces and edges, and with intense and deep color, on matrix.
Aghbar Mine (Arhbar Mine), Bou Azzer mining district, Zagora Province, Drâa-Tafilalet Region  Morocco (05/2011)
Specimen size: 8.8 × 6.9 × 3.7 cm = 3.46” × 2.72” × 1.46”
Price: [SOLD]
Cobaltoan Dolomite.
AG16N2: Cobaltoan Dolomite
Group of flattened rhombohedral crystals that are almost lenticular, of exceptionally intense color. On matrix.
Mashamba West Mine, Kolwezi District, Lualaba, Katanga Copper Crescent, Katanga (Shaba)  Democratic Republic of the Congo (Zaire)
Specimen size: 7.6 × 3.8 × 2.9 cm = 2.99” × 1.50” × 1.14”

Main crystal size: 0.9 × 0.9 cm = 0.35” × 0.35”
Price: [SOLD]
Cobaltoan Dolomite with Marcasite and Goethite.
CB16G2: Cobaltoan Dolomite with Marcasite and Goethite
A very esthetic specimen. This Dolomite, of an attractive color, is partially covered by Marcasite cockscombs, and these covered by Goethite. The specimen caught our attention and we analyzed it to be sure about the identification. We will send the analysis to the buyer of the piece.
Aghbar Mine (Arhbar Mine), Bou Azzer mining district, Zagora Province, Drâa-Tafilalet Region  Morocco (02/2005)
Specimen size: 11.8 × 8 × 4.7 cm = 4.65” × 3.15” × 1.85”
Price: [SOLD]
Cobaltoan Smithsonite.
TR96AJ8: Cobaltoan Smithsonite
Very aerial druse of Smithsonite crystals formed by a dominant flattened rhombohedron with a thick lenticular shape. They are translucent, bright and with an excellent very deep pink color, typical for the cobaltoan variety. An excellent classic from Tsumeb, of great quality.
Tsumeb Mine, Tsumeb, Otjikoto Region  Namibia
Specimen size: 7.7 × 6.8 × 4.2 cm = 3.03” × 2.68” × 1.65”

Main crystal size: 1.4 × 1 cm = 0.55” × 0.39”
Price: [SOLD]
Cobaltoan Smithsonite.
MY27T7: Cobaltoan Smithsonite
Druze of rhombohedral crystals with curved faces and edges and a lenticular shape. They are bright and have a very intense pink color and they are more aerial than usual for samples from Tsumeb.
With a handwritten Sacco collection label, that we’ll send to the buyer.
Tsumeb Mine, Tsumeb, Otjikoto Region  Namibia (1970-1985)
Specimen size: 5.8 × 4.8 × 2.2 cm = 2.28” × 1.89” × 0.87”
Price: [SOLD]
Cobaltoan Smithsonite.
MR37T7: Cobaltoan Smithsonite
Group of rhombohedral Smithsonite crystals with curved faces and edges and a lenticular shape. They are pale pink color and have very well defined brown inclusions of iron oxides on their edges.
With a handwritten Sacco collection label, that we’ll send to the buyer.
Tsumeb Mine, Tsumeb, Otjikoto Region  Namibia (1970-1985)
Specimen size: 3.8 × 2.7 × 2.2 cm = 1.50” × 1.06” × 0.87”

Main crystal size: 1.4 × 0.7 cm = 0.55” × 0.28”
Price: [SOLD]
Colemanite.
GT47R6: Colemanite
Druse growth of crystals with very well defined faces and edges, transparent, bright and on matrix.
Bigadiç, Balıkesir Province, Marmara Region  Turkey
Specimen size: 11.2 × 9 × 6.5 cm = 4.41” × 3.54” × 2.56”
Price: [SOLD]
Colemanite.
AA26M8: Colemanite
Group of very well defined crystals of good transparency and excellent luster. It is from one of the classic localities for the species.
Death Valley, Inyo County, California  USA
Specimen size: 5 × 3.2 × 1.5 cm = 1.97” × 1.26” × 0.59”

Main crystal size: 1.6 × 1.5 cm = 0.63” × 0.59”
Price: [SOLD]
Colemanite with Realgar inclusions.
MT69AM7: Colemanite with Realgar inclusions
Druse of Colemanite crystals with very sharp crystal forms, between transparent and translucent, very lustrous, and rich in inclusions of acicular Realgar crystals with a vivid red color. The specimen comes from a recent find.
Hisarcik Mine, Emet Borate deposit, Emet, Emet District, Kütahya Province, Aegean Region  Turkey (2020)
Specimen size: 11.9 × 8.4 × 4.4 cm = 4.69” × 3.31” × 1.73”
Price: [SOLD]
Columbite.
MG56AL4: Columbite
Columbite crystal, very rich in crystal faces and with very well defined faces and edges. Rich in terminal faces too and with a clear scepter habit in the Columbite crystal itself.
District Analalava, Sofia Region  Madagascar
Specimen size: 3.9 × 2.1 × 1 cm = 1.54” × 0.83” × 0.39”
Price: [SOLD]
Columbite (Group).
MN56AM8: Columbite (Group)
Complete floater Columbite (Group) crystal, very rich in crystal forms, lustrous, and with fine polycrystalline growths.
We will send the buyer the specimen in its original Perky box from the Robert J. Noble collection, which also contains the label.
Mahaiza, Betafo District, Vakinankaratra Region, Antananarivo Province  Madagascar
Specimen size: 2.8 × 1.3 × 1 cm = 1.10” × 0.51” × 0.39”
Price: [SOLD]
Columbite (Group).
TD16AN2: Columbite (Group)
Columbite group crystal, partially doubly terminated, very sharp and rich in faces. Based on its origin it is probably Columbite-(Fe). Of excellent quality for the locality. We will ship the specimen in its original Perky box from the Robert J. Noble collection, which also contains the label.
Londonderry pegmatite, Coolgardie Shire, Western Australia  Australia
Specimen size: 2.1 × 1 × 0.8 cm = 0.83” × 0.39” × 0.31”
Price: [SOLD]
Columbite-(Fe).
TRL56AO4: Columbite-(Fe)
Floater group of very sharp Columbite-(Fe) crystals, one of them clearly dominant and doubly terminated, twinned and with very sharp crystal forms. We will send the buyer the specimen in its original Perky box from the Robert J. (Bob) Noble collection, which also contains the label, stating that it was previously in the Melanson collection.
João Modesto dos Santos Mine, Linópolis, Divino das Laranjeiras, Vale do Rio Doce, Minas Gerais  Brazil
Specimen size: 2 × 1.1 × 1.2 cm = 0.79” × 0.43” × 0.47”
Price: [SOLD]

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Collection		 The Jan Buma Collections
The Jan Buma
Collections		 The Carles Curto Collection (duplicates)
The Carles Curto
Collection
The Jordi Fabre Collection (duplicates)
The Jordi Fabre Collection		 The Vault
The
Vault		 Express Minerals by Carles Manresa
Express Minerals
by C. Manresa		 Expominerals (Virtual Shows)
Expominerals		 Updates
Updates		 Minerals - Virtual Museum (#MVM)
Minerals - Virtual Museum
(#MVM)