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MH29L7: Corundum (variety ruby) with Pyrope (variety rhodolite) and Muscovite
Well defined Corundum crystal, translucent and with a color that varies between red (under sunlight) and mauve with bluish tones (under artificial light). Crystal is partially included in a rich Muscovite and Pyrope (variety rhodolite) matrix.
Zazafotsy Quarry, Zazafotsy Commune, Fianarantsoa, Ihosy District, Horombe Region, Fianarantsoa Province  Madagascar (10/2007)
Specimen size: 5.6 × 4.2 × 3.4 cm = 2.20” × 1.65” × 1.34”
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MN69K8: Corundum (variety ruby) with Pyrope (variety rhodolite) and Muscovite
A novelty from Munich 2007. Corundum crystal of sharp faces and edges, excellent terminations and good color. It shows different color shades depending of the type of light they receive, and has a marked zonation between red and blue-mauve. On the front crystal face you can see some curious concentric growth figures around a little triangular rhombohedron face. The matrix, very rich in Muscovite, also has abundant red growths of Pyrope (variety rhodolite).
Zazafotsy Quarry, Zazafotsy Commune, Fianarantsoa, Ihosy District, Horombe Region, Fianarantsoa Province  Madagascar (10/2007)
Specimen size: 7.7 × 3.9 × 4.5 cm = 3.03” × 1.54” × 1.77”

Main crystal size: 1.6 × 1.5 cm = 0.63” × 0.59”
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EQ96F2: Corundum with Anorthite and Phlogopite
This crystal, which has well-defined contours, intense color and brilliance, has grown surrounded by Anorthite. It stands out from the darker matrix, which is very rich in Mica. The Mica has not been analyzed, but information on the locality suggests that it might be ferroan Phlogopite. From the David Lucas collection, number 147, and we will give the buyer his label.
Rai-Iz (Raiz), Tyumen Oblast  Russia
Specimen size: 9.6 × 7.5 × 6 cm = 3.78” × 2.95” × 2.36”
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TP37J3: Corundum with Biotite
Doubly terminated prismatic crystal, very rich of faces, combining prism, pyramid and pinacoid. Partly transparent, very bright and with a deep color between red and mauve. On Biotite matrix.
Zazafotsy Quarry, Zazafotsy Commune, Fianarantsoa, Ihosy District, Horombe Region, Fianarantsoa Province  Madagascar (2006)
Specimen size: 5.8 × 3.4 × 4.3 cm = 2.28” × 1.34” × 1.69”

Main crystal size: 2.2 × 0.9 cm = 0.87” × 0.35”
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EX88AM1: Corundum with Calcite
Doubly terminated crystals of red Corundum, one of them clearly dominant, with very well defined faces and edges and curvatures on the edges. They are embedded in a gneissic rock matrix.
Mysore District, Karnataka  India
Specimen size: 10.4 × 8.7 × 7.6 cm = 4.09” × 3.43” × 2.99”
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EH49W7: Corundum with Calcite
Sharp thick tabular spinel-twinned crystal. It is uniformly translucent, with an intense and uniform red color and it is on a Calcite matrix.
Jagdalek Mine, Surobi, Kabul  Afghanistan
Specimen size: 4.8 × 3.4 × 2 cm = 1.89” × 1.34” × 0.79”

Main crystal size: 1.6 × 1.4 cm = 0.63” × 0.55”
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SV2110TDR: Corundum with Mica
Floater crystal of Corundum with a very marked pseudo-hexagonal outline and a very deep and uniform mauve color, flattened, with triangular growth striations and remnants of Mica matrix. The specimen was set in a jewelry-type box with a handwritten label from an unknown collection attached, which will be delivered to the buyer of the piece.
  Madagascar
Specimen size: 1.1 × 1 × 0.3 cm = 0.43” × 0.39” × 0.12”
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MA74I1: Corundum with Muscovite
Crystals are prismatic, very well developed. The main one is doubly terminated, with triangular growth pits on terminations. In addition to its quality and esthetics, we note its variable color mainly blue but with reddish zones. A new find at Munich 2006 because there were not specimens of such high quality from the locality.
Zazafotsy Quarry, Zazafotsy Commune, Fianarantsoa, Ihosy District, Horombe Region, Fianarantsoa Province  Madagascar (2006)
Specimen size: 9.5 × 8.1 × 5 cm = 3.74” × 3.19” × 1.97”

Main crystal size: 5.3 × 4.4 cm = 2.09” × 1.73”
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TH77J3: Corundum with Oligoclase and Biotite
Tabular crystals with geometric striations of growth. Color is very intense, especially enhanced when the specimen is under a strong light. Crystals are in a Biotite matrix very rich of Oligoclase. We are very pleased because it has been possible for us to precisely certify the locality of origin, which is not always easy.
This specimen is noted as acquired in 1957 and it is with a label from Burminco (George Burnham) that we’ll send to the buyer.
Kleggassen, Froland, Arendal  Norway (±1957)
Specimen size: 5.4 × 4.4 × 2.4 cm = 2.13” × 1.73” × 0.94”
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SV2160TLM: Corundum with Spinel, Willemite, Pyrrhotite and Norbergite
Group of crystals of Corundum, one of them clearly dominant, on a Willemite matrix and with a multitude of pink Spinel crystals distributed randomly throughout the specimen, as well as some dark Pyrrhotite crystals and orange crystalline masses of Norbergite. The sample comes from the old collection of Robert-Auguste Touchon and is accompanied by a handwritten label, very deteriorated due to the passage of time.
Franklin, Franklin Mining District, Sussex County, New Jersey  USA
Specimen size: 10.1 × 7 × 6 cm = 3.98” × 2.76” × 2.36”

Main crystal size: 0.7 × 0.5 cm = 0.28” × 0.20”
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MRT91AP7: Cosalite with Calcite and Quartz
Groups of acicular Cosalite crystals, with a silky-metallic luster and greenish grey color, on matrix, with white rhombohedral Calcite crystals and water-clear Quartz crystals. A great rarity for the locality and of high quality too. The specimen has been analyzed and we will send a copy of the analysis to the buyer.
Trepča Complex, Trepča Valley, Kosovska Mitrovica, Kosovska Mitrovica District  Kosovo
Specimen size: 7 × 5.5 × 4.8 cm = 2.76” × 2.17” × 1.89”
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TF73AL5: Cosalite with Fluorite
Very aerial aggregate of needle-shaped Cosalite crystals, a sulphosalt of lead and bismuth, rare in quality collection specimens. The Cosalite crystals, with good terminations and luster, are covered with transparent Fluorite crystals. This piece comes from the Rock Currier collection (no.6166), whose label we will send to the buyer.
This specimen has been photographed and published as a reference for the Cosalite species in the magazine ‘Lapis‘ number 05/2024, page 13
Solnechnoye Mine, Kara-Oba, Betpak-Dala (Bet-Pak-Dala) Desert, Karaganda Region  Kazakhstan
Specimen size: 4.1 × 2.4 × 2.3 cm = 1.61” × 0.94” × 0.91”

Main crystal size: 4.1 × 0.7 cm = 1.61” × 0.28”
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FJ10Z8: Covellite
Aggregate, on matrix, of very well defined and bright Covellite microcrystals. They have an intense metallic blue iridescence. The sample is from a find in 1996. Subsequent finds have been sporadic, practically non-existent, either in that zone or the rest of the mine, which currently is now completely inactive.
Atalaya cut, 14-16 level, Rio Tinto Mines, Minas de Riotinto, Comarca Cuenca Minera, Huelva, Andalusia  Spain (1996)
Specimen size: 3.6 × 2.1 × 2.8 cm = 1.42” × 0.83” × 1.10”
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FM16Z8: Covellite
Aggregate, on matrix, of very well defined and bright Covellite microcrystals. They are larger than usual for the locality, they have an intense brassy color and a small oval area that shows an intense metallic-blue iridescence. The sample is from a find in 1996. Subsequent finds have been sporadic, practically non-existent, either in that zone or the rest of the mine, which currently is now completely inactive.
Atalaya cut, 14-16 level, Rio Tinto Mines, Minas de Riotinto, Comarca Cuenca Minera, Huelva, Andalusia  Spain (1996)
Specimen size: 5.7 × 4.3 × 1.6 cm = 2.24” × 1.69” × 0.63”
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EJY66AQ1: Covellite with Pyrite
Group of very sharp Covellite crystals, with a hexagonal outline, aerial, very bright luster and an intense metallic blue color, on a Pyrite matrix. The specimen comes from the Yvan Delqué collection (number 11), whose original box, which includes information, we will send to the buyer.
Butte, Butte District, Silver Bow County, Montana  USA
Specimen size: 2.7 × 2.7 × 2 cm = 1.06” × 1.06” × 0.79”
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TY86Q1: Covellite with Pyrite
Leafy aggregates, very bright, of excellent color and on a matrix very rich in Pyrite. An American classic.
Butte, Butte District, Silver Bow County, Montana  USA
Specimen size: 4.8 × 3.9 × 2.5 cm = 1.89” × 1.54” × 0.98”
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RL78F8: Covellite with Pyrite
A very attractive specimen, for both its perfect size, definition, and intense, metallic blue of the laminar crystals of Covellite, which contrast well with the small groups of Pyrite crystals. The locality is its second strong point: the classic mine of Calabona, Sardinia. It was bought in 1922.
Calabona Mine, Alghero, Sassari Province, Sardinia/Sardegna  Italy (±1920)
Specimen size: 5 × 4.3 × 4.2 cm = 1.97” × 1.69” × 1.65”
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MC51AM3: Covellite with Quartz
Aggregates of sharp lamellar Covellite crystals, with edges in an excellent state of preservation, with an intense and vivid metallic blue color, on matrix and with Quartz. High quality for the locality.
The specimen comes from the Ignacio Gaspar collection (number COV-2), whose label we will send to the buyer.
Summitville Mine, Summitville District, Rio Grande County, Colorado  USA
Specimen size: 5.2 × 4 × 3.5 cm = 2.05” × 1.57” × 1.38”
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EQ46AM1: Cr-bearing Clinochlore (variety kämmererite)
Druse on matrix of twinned crystals of Chromium-bearing Clinochlore (variety kämmererite) They have a bipyramidal habit, translucent, with good luster and an intense deep mauve color. A classic of Turkish mineralogy.
Kop Krom Mine, Kop Daglari, Erzurum Province, Eastern Anatolia Region  Turkey
Specimen size: 6.2 × 6 × 2.1 cm = 2.44” × 2.36” × 0.83”
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EV26AM1: Cr-bearing Clinochlore (variety kämmererite)
Druse on matrix of twinned crystals of Chromium-bearing Clinochlore (variety kämmererite) They have a bipyramidal habit, translucent, with good luster and an intense deep mauve color. A classic of Turkish mineralogy.
Kop Krom Mine, Kop Daglari, Erzurum Province, Eastern Anatolia Region  Turkey
Specimen size: 8 × 6.8 × 3.1 cm = 3.15” × 2.68” × 1.22”

Main crystal size: 0.3 × 0.2 cm = 0.12” × 0.08”
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ER86AM1: Cr-bearing Clinochlore (variety kämmererite)
Druse on matrix of twinned crystals of Chromium-bearing Clinochlore (variety kämmererite) They have a bipyramidal habit, translucent, with good luster and an intense deep mauve color. A classic of Turkish mineralogy.
Kop Krom Mine, Kop Daglari, Erzurum Province, Eastern Anatolia Region  Turkey
Specimen size: 7.4 × 3.7 × 2.1 cm = 2.91” × 1.46” × 0.83”
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EM86AM1: Cr-bearing Clinochlore (variety kämmererite)
Druse on matrix of twinned crystals of Chromium-bearing Clinochlore (variety kämmererite) They have a bipyramidal habit, translucent, with good luster and an intense deep mauve color. A classic of Turkish mineralogy.
Kop Krom Mine, Kop Daglari, Erzurum Province, Eastern Anatolia Region  Turkey
Specimen size: 4 × 3.7 × 2.2 cm = 1.57” × 1.46” × 0.87”

Main crystal size: 0.3 × 0.2 cm = 0.12” × 0.08”
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EP27AM1: Cr-bearing Clinochlore (variety kämmererite)
Druse on matrix of twinned crystals of Chromium-bearing Clinochlore (variety kämmererite) They have a bipyramidal habit, translucent, with good luster and an intense deep mauve color. A classic of Turkish mineralogy.
Kop Krom Mine, Kop Daglari, Erzurum Province, Eastern Anatolia Region  Turkey
Specimen size: 7.2 × 4.3 × 1.9 cm = 2.83” × 1.69” × 0.75”
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ET47AM1: Cr-bearing Clinochlore (variety kämmererite)
Druse on matrix of twinned crystals of Chromium-bearing Clinochlore (variety kämmererite) They have a bipyramidal habit, translucent, with good luster and an intense deep mauve color. A classic of Turkish mineralogy.
Kop Krom Mine, Kop Daglari, Erzurum Province, Eastern Anatolia Region  Turkey
Specimen size: 6.8 × 5.1 × 4 cm = 2.68” × 2.01” × 1.57”

Main crystal size: 0.8 × 0.6 cm = 0.31” × 0.24”
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TK27AJ2: Cr-rich Tremolite with Graphite and Clinohumite
Doubly terminated Tremolite crystal (chrome rich variety) with acute polycrystalline terminations, very well defined prismatic faces and edges, translucent with a very intense green color and with small, brown, Clinohumite crystals and platy Graphite crystals. A rare US classic proposed in Tucson 2019.
The specimen has been photographed and published in the magazine ‘Paragénesis’, number 01/2019, page 77
Washburn Farm, Macomb, Macomb Township, St. Lawrence County, New York  USA (05/2018)
Specimen size: 3.6 × 1.5 × 1.5 cm = 1.42” × 0.59” × 0.59”

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Collection		 The Desmond Sacco Collection
The Desmond Sacco
Collection		 Best Specimens
Best Specimens		 The Folch Collection
The Folch
Collection		 Home Page Minerals
Home Page
Minerals