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Tetrahedrite with Quartz.
TF87AN2: Tetrahedrite with Quartz
Group of sharp and very lustrous tetrahedral Tetrahedrite crystals that grow aerially on a group of fine water-clear Quartz crystals.
Casapalca, Chicla District, Huarochiri Province, Lima Department  Peru
Specimen size: 6.3 × 5.9 × 3.1 cm = 2.48” × 2.32” × 1.22”

Price: [SOLD]
Tetrahedrite with Quartz.
GP96P9: Tetrahedrite with Quartz
Good sized and very well defined crystals partially coated by microcrystals of Quartz on matrix.
San Cristobal Mine, San Cristobal District, Yauli Province, Junín Department  Peru (±1983)
Specimen size: 14.2 × 10.2 × 4.9 cm = 5.59” × 4.02” × 1.93”

Main crystal size: 4 × 1.8 cm = 1.57” × 0.71”

Price: [SOLD]
Tetrahedrite with Quartz and Pyrite.
XM2160MLP: Tetrahedrite with Quartz and Pyrite
Group of very sharp and brilliantly shiny tetrahedral crystals of Tetrahedrite, implanted on matrix and accompanied by small white Quartz crystals and Pyrite crystals. Comes from what was an important mining district in Eastern Europe, via the Terrae Genesis Museum located in the French town of Le Syndicat, in the Vosges mountains.
Cavnic mining area, Cavnic, Maramures  Romania
Specimen size: 9 × 6.4 × 3 cm = 3.54” × 2.52” × 1.18”

Price: [SOLD]
Tetrahedrite with Quartz and Pyrite.
XM2240MBA: Tetrahedrite with Quartz and Pyrite
Group of very sharp and brilliantly shiny tetrahedral crystals of Tetrahedrite, implanted on matrix and accompanied by small white Quartz crystals and Pyrite crystals. Comes from what was an important mining district in Eastern Europe, via the Terrae Genesis Museum located in the French town of Le Syndicat, in the Vosges mountains.
Cavnic mining area, Cavnic, Maramures  Romania
Specimen size: 9 × 6.8 × 3 cm = 3.54” × 2.68” × 1.18”

Main crystal size: 1.2 × 0.6 cm = 0.47” × 0.24”

Price: €240 / US$255 / ¥39150 / AUD$390
Tetrahedrite with Quartz and Pyrite.
MR99AI4: Tetrahedrite with Quartz and Pyrite
Very sharp tetrahedrons of Tetrahedrite crystals that are extraordinarily bright and are on a matrix of Quartz crystals with groups of Sphalerite crystals and small Pyrite crystals. The sample is from the Uwe Niemeyer collection (Germany) whose label we’ll send to the buyer.
Baia Sprie Mine, Baia Sprie, Maramures  Romania (1964)
Specimen size: 13.8 × 12.7 × 4.8 cm = 5.43” × 5.00” × 1.89”

Price: €480 / US$511 / ¥78310 / AUD$780
Tetrahedrite with Quartz, Pyrite and Chalcopyrite.
NM17AN2: Tetrahedrite with Quartz, Pyrite and Chalcopyrite
Very sharp tetrahedral crystals of Tetrahedrite, lustrous and with a surfaces patina caused by microcrystals of Chalcopyrite. On matrix with transparent Quartz crystals and small Pyrite crystals. This piece comes from the Ignacio Gaspar collection (number TET-10), whose label we will send to the buyer.
Casapalca, Chicla District, Huarochiri Province, Lima Department  Peru
Specimen size: 10 × 4 × 7.5 cm = 3.94” × 1.57” × 2.95”

Main crystal size: 2.6 × 2.4 cm = 1.02” × 0.94”

Price: [SOLD]
Tetrahedrite with Rhodochrosite.
MD96T2: Tetrahedrite with Rhodochrosite
Group of three very sharp tetrahedral Tetrahedrite crystals, one of them clearly dominant, very bright and with very well defined faces and edges, on a nest of Rhodochrosite with very intense pink color (for the locality)
Boldut Mine, Cavnic mining area, Cavnic, Maramures  Romania (±1999)
Specimen size: 5.8 × 4.4 × 1.8 cm = 2.28” × 1.73” × 0.71”

Price: [SOLD]
Tetrahedrite with Rhodochrosite and Quartz.
AM16M8: Tetrahedrite with Rhodochrosite and Quartz
Very sharp well defined and bright crystals of Tetrahedrite, some of them with small damage on the edges. On matrix, with globular Rhodochrosite and Quartz.
Cavnic mining area, Cavnic, Maramures  Romania
Specimen size: 6.7 × 4.3 × 2.2 cm = 2.64” × 1.69” × 0.87”

Main crystal size: 0.9 × 0.8 cm = 0.35” × 0.31”

Price: [SOLD]
Tetrahedrite with Siderite.
ERM69AO7: Tetrahedrite with Siderite
Group of tetrahedral crystals of Tetrahedrite with very distinct polycrystalline growths. Lustrous, on matrix with lenticular crystals of Siderite and coatings of Chalcopyrite microcrystals. The specimen is excellent for the locality both for its quality and for the size of the crystals.
La Mure coal mines, La Mure, Matheysine-Trièves, Grenoble, Isère, Auvergne-Rhône-Alpes  France
Specimen size: 5.1 × 3.6 × 3.5 cm = 2.01” × 1.42” × 1.38”

Price: [SOLD]
Tetrahedrite with Siderite and Fluorapatite.
N13BF2: Tetrahedrite with Siderite and Fluorapatite
A real rarity for this mine, as we think that almost no one has ever noted the presence of Tetrahedrite at Panasqueira. The small brilliant crystals are gray-black and are on prismatic Siderite. There is also some green Fluorapatite, which adds to the interest of the specimen. We will give the buyer a copy of the analysis of the Tetrahedrite.
Minas da Panasqueira, level 3, Aldeia de São Francisco de Assis, Covilhã, Castelo Branco, Cova da Beira, Centro  Portugal (2000)
Specimen size: 8 × 6.5 × 3 cm = 3.15” × 2.56” × 1.18”

Price: [SOLD]
Tetrahedrite with Sphalerite and Quartz.
MT11AH4: Tetrahedrite with Sphalerite and Quartz
Very sharp and bright tetrahedral Tetrahedrite crystals with twinned caramel-colored Sphalerite crystals and on a matrix of Quartz crystals. We’ll send to the buyer the original label and also a copy of the computer card with the full text in the collection catalog.
Concepción del Oro, Municipio Concepción del Oro, Zacatecas  Mexico
Specimen size: 4.7 × 3.9 × 2.6 cm = 1.85” × 1.54” × 1.02”

Price: [SOLD]
Tetrahedrite with Sphalerite and Quartz.
AP56M4: Tetrahedrite with Sphalerite and Quartz
Group of very sharp tetrahedral crystals, with an excellent brilliance and growth striations, accompanied by Sphalerite and partially covered by Quartz.
Casapalca, Chicla District, Huarochiri Province, Lima Department  Peru
Specimen size: 12 × 7.8 × 4.9 cm = 4.72” × 3.07” × 1.93”

Main crystal size: 1.7 × 1.5 cm = 0.67” × 0.59”

Price: [SOLD]
Tetrahedrite-(Zn) coating Enargite.
TB48AL6: Tetrahedrite-(Zn) coating Enargite
Group of Tetrahedrite-(Zn) crystals with very well defined and brilliant faces and edges that cover a group of Enargite crystals. Tetrahedrite-(Zn) is a species just recently recognized by the IMA.
We will send the specimen in its original Perky box from the Robert J. Noble collection, which contains the label and also a copy of the specimen analysis.
Quiruvilca Mine (La Libertad Mine), Quiruvilca District, Santiago de Chuco Province, La Libertad Department  Peru
Specimen size: 3.6 × 2.4 × 2 cm = 1.42” × 0.94” × 0.79”

Price: €340 / US$362 / ¥55470 / AUD$550
Tetrahedrite-Chalcopyrite with Galena, Quartz and Calcite.
KV97N8: Tetrahedrite-Chalcopyrite with Galena, Quartz and Calcite
Big crystals with parallel growths and a partially melted look, with Chalcopyrite and with small crystals of Galena, Quartz and Calcite.
The sample is from the collection of James Catmur and we'll send the label to the buyer.
Casapalca, Huarochiri, Departamento Lima  Peru (±1986)
Specimen size: 14 × 8.3 × 5.9 cm = 5.51” × 3.27” × 2.32”

Main crystal size: 3.5 × 3 cm = 1.38” × 1.18”

Price: [SOLD]
Tetrahexahedral Fluorite with Baryte.
N13BH5: Tetrahexahedral Fluorite with Baryte
Crystals, being small, show an astonishing sharpness of tetrahexahedron, a rare single form on Fluorite because generally it is combined with some other forms. Crystals are uncolored, bright and completely clear and are scattered over an esthetic matrix of white crystals of Baryte.
Jaimina Mine, Obdulia vein, Caravia mining area, Trechorio, Carrales, Caravia, Comarca Oriente, Principality of Asturias (Asturias)  Spain (1996)
Specimen size: 8.4 × 6.4 × 5.3 cm = 3.31” × 2.52” × 2.09”

Price: [SOLD]
Tetrahexahedral Fluorite with Baryte.
NC96F0: Tetrahexahedral Fluorite with Baryte
The crystals are tetrahexahedral although this is not very obvious given the subsequent growth of the faces of the basic cube. Near the edges of the crystals there is a fine violet color zone. The crystals, for all their considerable size, are transparent enough to allow one to see the Baryte inclusions.
Jaimina Mine, Obdulia vein, Caravia mining area, Trechorio, Carrales, Caravia, Comarca Oriente, Principality of Asturias (Asturias)  Spain (1996)
Specimen size: 13.5 × 11 × 7.5 cm = 5.31” × 4.33” × 2.95”

Main crystal size: 4.5 × 3.5 cm = 1.77” × 1.38”

Price: [SOLD]
Thomsenolite, Pachnolite, Hidrokenoralstonite, Siderite and Pyrite.
EK46Y7: Thomsenolite, Pachnolite, Hidrokenoralstonite, Siderite and Pyrite
White Hidrokenoralstonita growths with coatings of very acute and small Thomsenolite and Pachnolite crystals and with iron oxide inclusions and smooth sections of Siderite and small Pyrite crystals. The sample is from the type locality for the species, and it was in the Claus Hedeegard collection, whose label we’ll send to the buyer.
Ivittuut (Ivigtût), Cape Desolation, Sermersooq  Denmark
Specimen size: 6.4 × 4.6 × 3.8 cm = 2.52” × 1.81” × 1.50”

Price: [SOLD]
Thomsonite.
TK63G9: Thomsonite
The piece shows spheroidal growths formed by radial crystals of Thomsonite that can be seen on its edges. We must especially emphasize the reddish color, very uncommon, due to the presence of iron oxides.
The specimen has been reviewed, photographed and published as a new discovery in the magazine ‘Mineral Up’ on page 25 in number 2006/2.
Shendurni, Jalgaon, Maharashtra  India (09/2005)
Specimen size: 7.2 × 6 × 2 cm = 2.83” × 2.36” × 0.79”

Price: [SOLD]
Thomsonite with Scolecite.
TQ26L1: Thomsonite with Scolecite
Well defined Thompsonite spheroidal growths, pinkish color, with crown growths of small acicular and bright Scolecite crystals. Very pleasant and esthetic specimen on matrix.
Shendurni, Jalgaon, Maharashtra  India (10/2006)
Specimen size: 9.1 × 7.4 × 2 cm = 3.58” × 2.91” × 0.79”

Price: [SOLD]
Tinzenite with Quartz.
RA59AB7: Tinzenite with Quartz
Tinzenite aggregates whose crystalline forms are very well defined for this rare species. They have a color between cream and orange and are on a Quartz matrix with leafy Muscovite aggregates. The sample is from the type locality for the species.
Tinizong (Tinzen), Oberhalbstein (Surses; Sursass), Albula Valley, Grischun (Grisons; Graubünden)  Switzerland
Specimen size: 7.2 × 5.5 × 4.2 cm = 2.83” × 2.17” × 1.65”

Main crystal size: 0.8 × 0.3 cm = 0.31” × 0.12”

Price: [SOLD]
Titanite.
TE13AH6: Titanite
Very perfect floater with a very evident contact twin, transparent, bright and with a very intense and uniform color.
Capelinha, Jequitinhonha, Minas Gerais  Brazil
Specimen size: 2.7 × 1.5 × 0.7 cm = 1.06” × 0.59” × 0.28”

Price: [SOLD]
Titanite.
TD96AL4: Titanite
Titanite crystal with a clearly evident contact twin, very sharp, and with well defined crystal faces. Translucent, lustrous, with an intense greenish-yellow color and just a little bit of matrix.
We will send the specimen in its original Perky box from the Robert J. Noble collection, which also contains the label.
Biensla, Haramosh Mountains, Baltistan District, Gilgit-Baltistan (Northern Areas)  Pakistan
Specimen size: 2.2 × 1.4 × 1 cm = 0.87” × 0.55” × 0.39”

Price: €180 / US$191 / ¥29360 / AUD$290
Titanite.
RR59Q5: Titanite
Twinned translucent crystal, transparent at the top termination and with an excellent yellow-green color.
Capelinha, Minas Gerais  Brazil (±1967)
Specimen size: 2.2 × 1.5 × 0.7 cm = 0.87” × 0.59” × 0.28”

Price: [SOLD]
Titanite.
RQ13W6: Titanite
Floater aggregate of twinned crystals. They are between translucent and transparent, very bright, and with an intense yellow color with greenish reflections.
Capelinha, Minas Gerais  Brazil (±1967)
Specimen size: 4.1 × 2.5 × 1.2 cm = 1.61” × 0.98” × 0.47”

Price: [SOLD]
Titanite.
EM13N8: Titanite
Several crystals, one of them clearly dominant, and showing the typical Titanite twinning. They are on matrix, and have excellent luster and a nice green color.
Yuno, Shigar Valley, Shigar District, Gilgit-Baltistan (Northern Areas)  Pakistan (±2007)
Specimen size: 4 × 3.2 × 2.5 cm = 1.57” × 1.26” × 0.98”

Price: [SOLD]

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Express Minerals by Carles Manresa
Express Minerals
by C. Manresa
Expominerals (Virtual Shows)
Expominerals
Updates
Updates
Minerals - Virtual Museum (#MVM)
Minerals - Virtual Museum
(#MVM)