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Grossular (variety tsavorite) with Pyrite.
EBX87AP0: Grossular (variety tsavorite) with Pyrite
Parallel growths of rhombododecahedral Grossular crystals (tsavorite variety) extraordinarily elongated, transparent, with great luster and an intense emerald-green color, associated with Pyrite microcrystals. A very fine specimen, uncommon in its morphology, both for the crystals and for the group.
Merelani mines, Merelani Hills, Lelatema Mountains, Simanjiro District, Manyara Region  Tanzania
Specimen size: 2.7 × 1.4 × 0.9 cm = 1.06” × 0.55” × 0.35”

Price: [SOLD]
Grossular (variety tsavorite) with Pyrite and Graphite.
ML90AG7: Grossular (variety tsavorite) with Pyrite and Graphite
Dodecahedral Grossular (tsavorite variety) crystal, translucent, very bright, with a very well defined green color and on matrix, with Pyrite crystals and radial aggregates of Graphite crystals.
The specimen has been photographed and published in the magazine ‘Paragénesis’, number 01/2018, page 90
Merelani Hills, Lelatema Mountains, Simanjiro District, Manyara Region  Tanzania
Specimen size: 3 × 1.9 × 3.5 cm = 1.18” × 0.75” × 1.38”

Main crystal size: 1.4 × 1.3 cm = 0.55” × 0.51”

Price: [SOLD]
Grossular on Quartz.
T87BDH5: Grossular on Quartz
The locality is not well known. Crystals are dodecahedrons with well-defined faces and edges contrasting with the matrix of white Quartz where they growth.
The specimen is with an old label of R.F. Denicourt collection.
Sidi Bou Othmane, El Kelaâ des Sraghna Province, Marrakech-Safi Region  Morocco
Specimen size: 5.5 × 3.5 × 4.1 cm = 2.17” × 1.38” × 1.61”

Price: [SOLD]
Grossular with Calcite.
NB11F7: Grossular with Calcite
The crystals of Grossular have not developed completely, but their brilliance and definition are very attractive and the contrast with the white Calcite gives the whole thing a neat esthetic look.
Gilgit District, Gilgit-Baltistan (Northern Areas)  Pakistan (1997)
Specimen size: 5.3 × 4.9 × 3.7 cm = 2.09” × 1.93” × 1.46”

Main crystal size: 2.2 × 2 cm = 0.87” × 0.79”

Price: [SOLD]
Grossular with Calcite.
RG86G0: Grossular with Calcite
Crystals have the dodecahedral form and they are bright and sharp, standing on a Calcite matrix.
The specimen proceeds from the A. Santos collection and it passed to Folch collection in 1952.
Phippsburg, Sagadahoc County, Maine  USA
Specimen size: 5.3 × 4.7 × 3 cm = 2.09” × 1.85” × 1.18”

Price: [SOLD]
Grossular with Chlorite.
TRR37AQ1: Grossular with Chlorite
Druse of very sharp dodecahedral Grossular crystals, translucent, with good luster and orange color and on a matrix covered by lamellar Chlorite crystals. The specimen comes from finds from the year 2023 in the Kayes region.
Koukouri diggins, Trantimou, Commune Diakon, Arrondissement Diakon, Bafoulabé Circle, Kayes Region  Mali (2023)
Specimen size: 5.2 × 2.4 × 1.7 cm = 2.05” × 0.94” × 0.67”

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

Price: €230 / US$244 / ¥37520 / AUD$370
Grossular with Chlorite.
TBY67AQ1: Grossular with Chlorite
Very sharp dodecahedral Grossular crystals, translucent, lustrous, colored orange and in a matrix covered by lamellar Chlorite crystals. The specimen comes from finds from the year 2023 in the Kayes region.
The specimen has been reviewed, photographed and published as a new discovery in the magazine ‘Mineralogical Record’ on page 662 in the volume 54, number 5, September-October 2023
Koukouri diggins, Trantimou, Commune Diakon, Arrondissement Diakon, Bafoulabé Circle, Kayes Region  Mali (2023)
Specimen size: 4.6 × 3.5 × 2.7 cm = 1.81” × 1.38” × 1.06”

Price: [SOLD]
Grossular with Chlorite.
AC16M6: Grossular with Chlorite
Isolated crystal, very well defined and an excellent color, with some other smaller crystals on a Chlorite matrix. The sample is from a very few known Piemontese locality and its characteristics are quite different from the samples from neighboring valleys.
Monviso, Piemonte  Italy
Specimen size: 7.3 × 6.7 × 2.8 cm = 2.87” × 2.64” × 1.10”

Main crystal size: 1.4 × 1.2 cm = 0.55” × 0.47”

Price: [SOLD]
Grossular with Chlorite.
JV60W0: Grossular with Chlorite
Aggregate of crystals that combine, in a balanced way, the faces of the dodecahedron and the trapezohedron. They are translucent, very bright, have an orange color and are on matrix, with leafy aggregates of Chlorite.
Aosta Valley (Val d'Aosta)  Italy
Specimen size: 7 × 6.3 × 4.5 cm = 2.76” × 2.48” × 1.77”

Price: [SOLD]
Grossular with Chlorite and Epidote.
TVX67AQ1: Grossular with Chlorite and Epidote
Very sharp dodecahedral Grossular crystals, translucent, lustrous, with orange color, in a matrix covered by lamellar Chlorite as well as Epidote crystals. The specimen comes from finds from the year 2023 in the Kayes region.
Koukouri diggins, Trantimou, Commune Diakon, Arrondissement Diakon, Bafoulabé Circle, Kayes Region  Mali (2023)
Specimen size: 5.4 × 5 × 3.1 cm = 2.13” × 1.97” × 1.22”

Main crystal size: 2 × 1.3 cm = 0.79” × 0.51”

Price: [SOLD]
Grossular with Pectolite.
TF26R9: Grossular with Pectolite
Dodecahedral crystals of Grossular, one of them clearly dominant, transparent, bright and a deep green color. They are on matrix, with crystals of Pectolite.
Jeffrey Mine, Asbestos, Les Sources RCM, Estrie, Québec  Canada (31/10/1998)
Specimen size: 3.6 × 3.5 × 1.3 cm = 1.42” × 1.38” × 0.51”

Price: [SOLD]
Grossular with Pectolite and Ilmenite.
NT37AG7: Grossular with Pectolite and Ilmenite
A novelty at Expominer 2017. Dodecahedral Grossular crystals, between translucent and transparent, bright, with a uniform green color and on matrix, with white acicular Pectolite crystals and a group of Ilmenite crystals.
Khost, Khost District, Khost Province  Afghanistan (03/2017)
Specimen size: 6.2 × 4 × 2.2 cm = 2.44” × 1.57” × 0.87”

Main crystal size: 0.7 × 0.7 cm = 0.28” × 0.28”

Price: [SOLD]
Grossular with Prehnite.
TK1V2: Grossular with Prehnite
Parallel growths of dodecahedral crystals with a deep honey color, bright and transparent. The color is darker than usual due to the size of the crystals which are unusually large for the locality, one of the great worldwide classics for the species.
The sample was in the collection of John Lindell, whose label we’ll send to the buyer.
"Mud Bunny" pocket, Vesper Peak, Sultan Basin, Sultan District, Snohomish County, Washington  USA (1981)
Specimen size: 8.7 × 6.5 × 5 cm = 3.43” × 2.56” × 1.97”

Price: [SOLD]
Grossular with Vesuvianite.
DD66AG0: Grossular with Vesuvianite
Druse of dodecahedral Grossular crystals with very well defined faces and edges. They are bright with a clear salmon color and are partially coated by acicular Vesuvianite crystals.
Fermoselle, Comarca Sayago, Zamora, Castile and León  Spain
Specimen size: 7.3 × 5.2 × 4.2 cm = 2.87” × 2.05” × 1.65”

Main crystal size: 3 × 2.5 cm = 1.18” × 0.98”

Price: [SOLD]
Gudmundite.
2E63: Gudmundite
Small disseminated Gudmundite crystals, some of them with well-defined faces and edges, shiny, embedded in Calcite matrix and accompanied by Quartz crystals. This piece will be delivered with a label from the Slovak Mineralogical Society.
Kolársky vrch, Sirková adit, Pezinok, Pezinok District, Bratislava Region  Slovak Republic (04/2017)
Specimen size: 4.0 × 6.3 × 5.0 cm = 1.57” × 2.48” × 1.97”

Price: [SOLD]
Gudmundite.
2E64: Gudmundite
Small disseminated Gudmundite crystals, some of them with well-defined faces and edges, shiny, embedded in Calcite matrix and accompanied by Quartz crystals. This piece will be delivered with a label from the Slovak Mineralogical Society.
Kolársky vrch, Sirková adit, Pezinok, Pezinok District, Bratislava Region  Slovak Republic (04/2017)
Specimen size: 9.4 × 4.5 × 5.3 cm = 3.70” × 1.77” × 2.09”

Main crystal size: 0.6 × 0.2 cm = 0.24” × 0.08”

Price: [SOLD]
Guimarãesite with Greifensteinite, Zanazziite, Eosphorite and Microcline.
SV480MTB: Guimarãesite with Greifensteinite, Zanazziite, Eosphorite and Microcline
Phosphates festival, which of them is more complex! Globular aggregates formed by Guimarãesite, Greifensteinite and Zanazziite with deep greenish tones, on matrix, accompanied by a multitude of perfectly defined and terminated Eosphorite crystals, as well as Microcline crystals with a very marked graphic texture. A powerful and very representative piece for the deposit, which is the type locality for the Guimarãesita.
Taquaral Seco Mine, Itinga, Jequitinhonha, Minas Gerais  Brazil
Specimen size: 5.7 × 4.2 × 2.1 cm = 2.24” × 1.65” × 0.83”

Price: [SOLD]
Gwindel Smoky Quartz.
EX47X2: Gwindel Smoky Quartz
Polycrystalline parallel growth with a very well marked "gwindel". The crystal is transparent, bright and shows a very uniform clear smoky color.
Mont Blanc Massif, Chamonix, Haute-Savoie, Auvergne-Rhône-Alpes  France (2009)
Specimen size: 5.9 × 4.6 × 2.5 cm = 2.32” × 1.81” × 0.98”

Price: [SOLD]
Gypsum.
NXM10AQ0: Gypsum
Very sharp floater crystal of Gypsum, doubly terminated and with an “arrow” habit. Completely transparent and very lustrous.
Segorbe, Comarca Alto Palancia, Castellón / Castelló, Valencian Community / Comunitat Valenciana  Spain
Specimen size: 4.5 × 2 × 1.4 cm = 1.77” × 0.79” × 0.55”

Price: €60 / US$63 / ¥9780 / AUD$90
Gypsum.
NX13AJ9: Gypsum
Aggregate, on a thin matrix, of very sharp crystals, a lot of them doubly terminated, with apparently simple forms but richer than usual on terminal faces. They are clear, colorless and very bright.
The sample is from the Ignacio Hernández collection whose label we will send to the buyer.
Pepita Mine (Mine entrance Alcanadre), Alcanadre, Comarca Rioja Media, La Rioja  Spain
Specimen size: 7.7 × 3.2 × 5.1 cm = 3.03” × 1.26” × 2.01”

Main crystal size: 2.6 × 1.8 cm = 1.02” × 0.71”

Price: [SOLD]
Gypsum.
TW14AN2: Gypsum
Curious group of small crystals of Gypsum in parallel and elongated columnar growths with distinct curvatures. We will ship the specimen in its original Perky box from the Robert J. Noble collection, which also contains the label.
Southern operations Mine (NBHC Mine), 18 level, Broken Hill, Yancowinna County, New South Wales  Australia
Specimen size: 3.7 × 1.7 × 1.1 cm = 1.46” × 0.67” × 0.43”

Price: [SOLD]
Gypsum.
ND6AI3: Gypsum
Very sharp and extraordinarily clear and bright Gypsum crystal with very well defined crystalline forms, partially doubly terminated and on matrix. A Spanish classic that is increasingly scarce.
The sample is from the Ignacio Hernández collection (num. 104) whose original label we’ll send to the buyer.
Alabaster quarries, Patillas Hill, Fuentes de Ebro, Delimitación Comarcal de Zaragoza, Zaragoza, Aragon  Spain
Specimen size: 5.2 × 3.6 × 3.8 cm = 2.05” × 1.42” × 1.50”

Main crystal size: 3.1 × 2.5 cm = 1.22” × 0.98”

Price: [SOLD]

XM2110NRX: Gypsum
Group of very clear Gypsum crystals with perfectly defined faces and edges, very sharp terminations with "swallowtail" twinning, between transparent and translucent, on a matrix of ferruginous rock. Comes from a well-known deposit, the Dificultad Mine in La Unión. The specimen belonged to Santiago Jiménez who, especially in the 1980s and 90s, assembled an excellent Spanish collection.
La Dificultad Mine, Sierra Minera de Cartagena-La Unión, Portmán, La Unión, Comarca Campo de Cartagena, Region of Murcia (Murcia)  Spain
Specimen size: 8 × 6.6 × 4.8 cm = 3.15” × 2.60” × 1.89”

Price: [SOLD]
Gypsum.
JFD179AP1: Gypsum
Sorbas has been declared a protected natural area, but I collected this piece 13 years before that, in 1976. I still remember the beauty of the place and the ease with which it was possible to get specimens like this, with reddish Gypsum crystals colored by the red clays so characteristic of that place.
Yesos de Sorbas Karst, Los Yesares, Sorbas, Comarca Levante Almeriense, Almería, Andalusia  Spain (08/1976)
Specimen size: 8.6 × 5.6 × 4.9 cm = 3.39” × 2.20” × 1.93”

Main crystal size: 2.8 × 1.8 cm = 1.10” × 0.71”

Price: [SOLD]
Gypsum.
MJ26AJ0: Gypsum
Radial aggregate of very sharp, colorless, transparent and very bright Gypsum crystals from a classic Canadian locality.
Red River floodway, Winnipeg, Winnipeg Capital Region, Manitoba  Canada (1996)
Specimen size: 6.3 × 5.2 × 3.6 cm = 2.48” × 2.05” × 1.42”

Price: [SOLD]

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Photo Gallery
The Daunis Collection
The Daunis
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)