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Group of Gold crystals with the combination, very rare in the same crystal, of sharp and easily identifiable rhombododecahedron faces and an extraordinarily elongated and twisted “wire” growth, in Quartz matrix. The morphology of the specimen is excellent.
El Infierno Mine, Icabarú river placers, Santa Elena de Uairen, Gran Sabana, Bolívar State Venezuela (2019)
Specimen size: 1.6 × 1.1 × 1.3 cm = 0.63” × 0.43” × 0.51”
Price: €1500 / US$1823 / JPY189280 / AUD$2360

EB56AF9: Gold with Quartz

Dendritic growths of flattened crystals that have very well defined faces and edges, with hoppered faces, very bright and on a rocky matrix coated by small Quartz crystals. A great European classic, where most of the samples were found in the 19th century.
The sample is from the Hubin Neupré collection whose label we’ll send to the buyer.
Rosia Montana, Apuseni Mountains, Alba, Transylvania Romania
Specimen size: 8.6 × 6.5 × 3.2 cm = 3.39” × 2.56” × 1.26”
Price: €1500 / US$1823 / JPY189280 / AUD$2360

TR76AJ9: Gold with Quartz

Very aerial and elegant group of Gold crystals with the well-defined crystalline forms of the octahedron and the dodecahedron. They are elongated, some of them with “window” and skeletal growths and some laminar forms.
Dongbeizhai Mine, Songpan, Ngawa Autonomous Prefecture, Sichuan Province China (2014-2015)
Specimen size: 2.4 × 2.3 × 1.1 cm = 0.94” × 0.91” × 0.43”
Price: €1700 / US$2066 / JPY214520 / AUD$2680

MA97AI0: Gold with Quartz

A surface very rich with flat leafy Gold growths, with some acicular Gold crystals, on a rock matrix partially coated by micro-crystalline Quartz. The sample is from a not yet well-known Colombian mining area and, due its quality and good color and luster, we believe it is one of the best found there.
The specimen has been reviewed, photographed and published in the magazine ‘Mineral Up’ on page 35 of the 2018/02 edition.
Los Delirios claim, Delirios III cut, Municipio Vetas, Soto Province, Santander Department Colombia (01/2018)
Specimen size: 3.3 × 3 × 2.1 cm = 1.30” × 1.18” × 0.83”

Main crystal size: 0.7 × 0.2 cm = 0.28” × 0.08”
Price: €2900 / US$3525 / JPY365950 / AUD$4570

MA8AC7: Gold with Quartz

Arborescent Gold aggregates of very well defined octahedral crystals with hoppered growths and small cube faces, on a Quartz matrix. One of the best Peruvian Gold samples we have ever seen, as they are rarely crystallized. We also note that the Quartz hasn’t been acid-etched to dissolve it and expose the Gold.
San Luis Mine, San Luis Alta, Sancos District, Lucana Province, Ayacucho Department Peru (08/2012)
Specimen size: 2.6 × 2.5 × 1.7 cm = 1.02” × 0.98” × 0.67”
Price: €3000 / US$3647 / JPY378570 / AUD$4730

MA48AM3: Gold with Quartz

Group of lamellar Gold crystals with curvatures, extraordinarily shiny and on a snow-white Quartz matrix.
The specimen, of unusual quality for the locality, comes from the Ignacio Gaspar collection (number GOLD-64), whose label we will send to the buyer.
Sasar Mine, Baia Mare, Maramures Romania (1950-1960)
Specimen size: 6 × 3.7 × 6 cm = 2.36” × 1.46” × 2.36”
Price: €3200 / US$3890 / JPY403800 / AUD$5040

EE48AL4: Gold with Quartz (variety chalcedony)

Arborescent growths and acicular and lamellar Gold crystals, with very good luster, on matrix and with Quartz (variety chalcedony) coatings. The specimen comes from a mining area in Colombia that is very little known so far.
La Peter II concession,La Peter open pit, Municipio Vetas, Soto Province, Santander Department Colombia
Specimen size: 7.6 × 4.1 × 2.3 cm = 2.99” × 1.61” × 0.91”
Price: €380 / US$462 / JPY47950 / AUD$590

EL88AI4: Gold with Quartz and Sphalerite

Very bright arborescent growths and acicular and leafy crystals of Gold on a Quartz matrix. . The sample is from a Colombian mining area not well known until now.
Los Delirios claim, Delirios III cut, Municipio Vetas, Soto Province, Santander Department Colombia (02/2017)
Specimen size: 5.3 × 3.7 × 2.5 cm = 2.09” × 1.46” × 0.98”
Price: €370 / US$449 / JPY46690 / AUD$580

NA46AL6: Gold with Quartz and Sphalerite

Dendritic growths of Gold with dominant hackly, skeletal and lamellar shapes and very sharp small octahedral crystals. Very bright and on a Quartz matrix with small deformed sphalerite crystals.
The specimen comes via the collections of Raúl Sanabria Orellana and Ignacio Gaspar Sintes, whose labels we will send to the buyer.
Los Delirios claim, Delirios III cut, Municipio Vetas, Soto Province, Santander Department Colombia (±2018)
Specimen size: 4.7 × 3.5 × 1.8 cm = 1.85” × 1.38” × 0.71”
Price: €1400 / US$1702 / JPY176660 / AUD$2200

EG10AL5: Gold with Quartz, Malachite and Chrysocolla

Hook-shaped and lamellar growths of Gold (variety electrum), very elongated, doubly terminated, on matrix, with Quartz, botryoidal Malachite aggregates and lighter green Chrysocolla aggregates. These Golds are a curiosity and a rarity in collections since only a few specimens were found and for only a few months.
Bleida Far West Mine, Bleida, Bou Azzer District, Zagora Province, Drâa-Tafilalet Region Morocco (2017-2018)
Specimen size: 5.2 × 3.3 × 2.8 cm = 2.05” × 1.30” × 1.10”

Main crystal size: 1 × 0.4 cm = 0.39” × 0.16”
Price: €520 / US$632 / JPY65610 / AUD$820

SM390TH: Gold with Sphalerite

Leafy and hackly growths of native Gold, very bright, on a surface of Sphalerite crystals that cover the matrix. The specimen comes from a mining area in Colombia that is so far very little known.
Los Delirios claim, Delirios III cut, Municipio Vetas, Soto Province, Santander Department Colombia (04/2017)
Specimen size: 4.5 × 4.3 × 2.3 cm cm = 1.77” × 1.69” × 0.91”
Price: €390 / US$474 / JPY49210 / AUD$610

EH90AG5: Gold with Sphalerite and Quartz

Leafy growths of Gold on a rocky matrix with black Sphalerite crystals and aggregates of Quartz micro-crystals. The sample is from a Colombian mining area not well known until now.
Los Delirios claim, Delirios III cut, Municipio Vetas, Soto Province, Santander Department Colombia (02/2017)
Specimen size: 5.3 × 3.1 × 2.9 cm = 2.09” × 1.22” × 1.14”

Main crystal size: 0.9 × 0.3 cm = 0.35” × 0.12”
Price: €590 / US$717 / JPY74450 / AUD$930

MY87AE2: Grandidierite

A novelty at Tucson 2016. An isolated crystal, translucent, bright, with a uniform and intense bluish-green color, with very well defined and deeply striated prismatic faces for the species. Of an excellent quality for this rare silicate.
Grandidierite deposit, Tranomaro Commune, Tranomaro-Maromby area, Amboasary District, Anosy Region (Fort Dauphin Region), Toliara Province (Tuléar) Madagascar (05-12/2015)
Specimen size: 2.4 × 2.2 × 1 cm = 0.94” × 0.87” × 0.39”
Price: €260 / US$316 / JPY32800 / AUD$410

TP50AH2: Grandidierite with Feldspar

Very sharp flattened and complete crystal (on the base it has small fragments of a feldspar matrix) with very well defined faces and edges and a perfect termination, slightly rough but free of damage. It is translucent and has a very deep and uniform bluish-green color. Among the best for this very rare species, a classic from Madagascar.
Tranomaro Commune, Tranomaro-Maromby area, Amboasary District, Anosy Region (Fort Dauphin Region), Toliara Province (Tuléar) Madagascar (02-06/2017)
Specimen size: 2.9 × 2.3 × 0.8 cm = 1.14” × 0.91” × 0.31”

Main crystal size: 2.9 × 1.6 cm = 1.14” × 0.63”
Price: €490 / US$595 / JPY61830 / AUD$770

TR49AD0: Grandidierite with Feldspar and Diopside

A novelty at Tucson 2016. An isolated crystal on matrix. It is translucent, bright, with a uniform and intense bluish-green color and with very well defined prismatic faces. Of an excellent quality for this rare silicate.
Grandidierite deposit, Tranomaro Commune, Tranomaro-Maromby area, Amboasary District, Anosy Region (Fort Dauphin Region), Toliara Province (Tuléar) Madagascar (05-12/2015)
Specimen size: 2.8 × 2.4 × 0.8 cm = 1.10” × 0.94” × 0.31”
Price: €420 / US$510 / JPY52990 / AUD$660

TC71AD0: Grandidierite with Feldspar, Schorl and Diopside

A novelty at Tucson 2016. Parallel growth, on matrix, of translucent and bright crystals with a uniform bluish green color and with very well defined prismatic faces. Of an excellent quality for this rare silicate.
Grandidierite deposit, Tranomaro Commune, Tranomaro-Maromby area, Amboasary District, Anosy Region (Fort Dauphin Region), Toliara Province (Tuléar) Madagascar (05-12/2015)
Specimen size: 4 × 2.6 × 2.3 cm = 1.57” × 1.02” × 0.91”
Price: €460 / US$559 / JPY58040 / AUD$720

MX51AD5: Grandidierite with Quartz and Feldspar

A novelty at Tucson 2016. Single crystals on a massive Quartz matrix. The crystals have some very well developed faces and edges on the prism, which is very uncommon for the species. The crystal is translucent and bright and has a uniform greenish blue color. Of an excellent quality for this rare silicate.
Grandidierite deposit, Tranomaro Commune, Tranomaro-Maromby area, Amboasary District, Anosy Region (Fort Dauphin Region), Toliara Province (Tuléar) Madagascar (05-12/2015)
Specimen size: 6.5 × 3.5 × 4 cm = 2.56” × 1.38” × 1.57”
Price: €640 / US$778 / JPY80760 / AUD$1000

TC69AD0: Grandidierite with Quartz, Feldspar and Diopside

A novelty at Tucson 2016. Parallel growth, on matrix, of translucent and very bright crystals with a uniform and intense bluish green color and with very well defined prismatic faces. Of an excellent quality for this rare silicate.
Grandidierite deposit, Tranomaro Commune, Tranomaro-Maromby area, Amboasary District, Anosy Region (Fort Dauphin Region), Toliara Province (Tuléar) Madagascar (05-12/2015)
Specimen size: 5.6 × 3.3 × 2.5 cm = 2.20” × 1.30” × 0.98”

Main crystal size: 4 × 1.8 cm = 1.57” × 0.71”
Price: €420 / US$510 / JPY52990 / AUD$660

TG29AD0: Grandidierite with Quartz, Feldspar, Diopside and Mica

A novelty at Tucson 2016. An isolated crystal on matrix. It is translucent, bright, with a uniform and intense bluish-green color and with very well defined prismatic faces. Of an excellent quality for this rare silicate.
Grandidierite deposit, Tranomaro Commune, Tranomaro-Maromby area, Amboasary District, Anosy Region (Fort Dauphin Region), Toliara Province (Tuléar) Madagascar (05-12/2015)
Specimen size: 2.6 × 2.6 × 1.4 cm = 1.02” × 1.02” × 0.55”
Price: €360 / US$437 / JPY45420 / AUD$560

TX39AI3: Grossular (variety hessonite) with Diopside

Group of well-developed crystals with a good size, trapezohedral with dodecahedral faces, transparent, very bright with an intense color and on a matrix coated by small Diopside crystals.
The specimen has been photographed and published in the magazine ‘Paragénesis’, number 02/2018, page 96
Jeffrey Mine, Asbestos, Les Sources RCM, Estrie, Québec Canada
Specimen size: 10.6 × 4.4 × 1.9 cm = 4.17” × 1.73” × 0.75”

Main crystal size: 2.1 × 1.6 cm = 0.83” × 0.63”
Price: €3800 / US$4620 / JPY479520 / AUD$5990

MG90AK7: Grossular (variety hessonite) with Pectolite

Druse of dodecahedral hessonite crystals beveled by trapezohedron faces. The crystals are very transparent, highly lustrous, very uniform in color and partially covered by transparent, white and exceptionally defined bladed Pectolite crystals. An unusual specimen for the quality of both components.
Jeffrey Mine, Asbestos, Les Sources RCM, Estrie, Québec Canada (14/06/1985)
Specimen size: 7.4 × 5.6 × 3.9 cm = 2.91” × 2.20” × 1.54”
Price: €560 / US$680 / JPY70660 / AUD$880

XM60CX: Gypsum

Complete floater Gypsum crystal, very sharp, transparent, with bright luster, and inclusions. A classic of Spanish mineralogy, of large size for the deposit.
Montalbán, Comarca Cuencas Mineras, Teruel, Aragon Spain
Specimen size: 14.4 × 7.1 × 5.3 cm = 5.67” × 2.80” × 2.09”
Price: €60 / US$72 / JPY7570 / AUD$90

HM160EK: Gypsum with inclusions

Group of Gypsum crystals, one of them clearly dominant and doubly terminated, with a very distinct “swallowtail” twin and abundant inclusions, on matrix.
La Dificultad Mine, Sierra Minera de Cartagena-La Unión, Portmán, La Unión, Comarca Campo de Cartagena, Murcia, Region of Murcia Spain (1981-1985)
Specimen size: 13.7 × 7.2 × 4.5 cm = 5.39” × 2.83” × 1.77”
Price: €160 / US$194 / JPY20190 / AUD$250

TD97AF7: Gypsum with Siderite and Quartz (variety chalcedony)

Parallel growths of very sharp Gypsum crystals that are clear and colorless and very bright. On a rocky matrix with small Siderite crystals and Quartz (chalcedony variety).
The sample is from the collection of La Unión area minerals of Alain Martaud, whose label we’ll send to the buyer.
Tomasa Mine, La Fortuna, Sierra Minera de Cartagena-La Unión, La Unión, Comarca Campo de Cartagena, Murcia, Region of Murcia Spain (1980-1985)
Specimen size: 12.3 × 11.7 × 7.5 cm = 4.84” × 4.61” × 2.95”

Main crystal size: 7 × 3.1 cm = 2.76” × 1.22”
Price: €260 / US$316 / JPY32800 / AUD$410

NQ76AH0: Harmotome with Calcite

Aggregate, very aerial and on matrix, of snowy white Harmotome crystals with very well defined faces and edges.
Strontian, Lochaber, Argyll and Butte Scotland / United Kingdom
Specimen size: 3.3 × 3.3 × 2.3 cm = 1.30” × 1.30” × 0.91”
Price: €140 / US$170 / JPY17660 / AUD$220

We work with the IMA approved names for minerals. If you are not sure of the IMA name for the mineral you are looking for you can select it from the following list


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