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MLF46AP3: Beryl (variety emerald) on Calcite

Obtained at Munich 2022 Beryl crystal (emerald variety) isolated on matrix, with very sharp crystal forms and good terminations in which, apart from the dominant pinacoid, pyramidal faces are present too. This transparent and very lustrous crystal exhibits a very vivid, deep and uniform color.
Muzo mining district, Western Emerald Belt, Boyacá Department Colombia (2022)
Specimen size: 3.4 × 2.5 × 1.8 cm = 1.34” × 0.98” × 0.71”
Price: €1400 / US$1498 / ¥198740 / AUD$2240

MLA27AP3: Beryl (variety emerald) on Calcite

Obtained at Munich 2022 Beryl crystal (emerald variety) isolated on matrix, with the Calcite crystals that are typical of the locality, with very sharp crystal forms and good terminations in which, apart from the dominant pinacoid, pyramidal faces appear too. The crystal, transparent and very lustrous, shows a very vivid, deep and uniform color.
Muzo mining district, Western Emerald Belt, Boyacá Department Colombia (2022)
Specimen size: 5.6 × 3 × 3.9 cm = 2.20” × 1.18” × 1.54”

Main crystal size: 1.6 × 0.4 cm = 0.63” × 0.16”
Price: €2200 / US$2355 / ¥312310 / AUD$3530

TFA99AP3: Beryl (variety morganite)

Beryl crystal (morganite variety) with a hexagonal profile etched in some parts by natural dissolution channels. The crystal is between transparent and translucent, with concentric geometric color zoning and good luster. An old Brazilian classic.
Urucum Mine, Galiléia, Vale do Rio Doce, Minas Gerais Brazil
Specimen size: 6.3 × 5.2 × 3.9 cm = 2.48” × 2.05” × 1.54”
Price: €390 / US$417 / ¥55360 / AUD$620

TV89AL5: Beryl (variety red beryl)

Group of Beryl crystals (variety red beryl), one of them clearly dominant, doubly terminated, shiny, with a very intense color, on matrix. An excellent American classic that for years has disappeared from the market due to the cessation of work on the deposit.
Wah Wah Mountains, Beaver County, Utah USA
Specimen size: 6.3 × 5.6 × 4 cm = 2.48” × 2.20” × 1.57”

Main crystal size: 1.6 × 1.3 cm = 0.63” × 0.51”
Price: €4800 / US$5138 / ¥681400 / AUD$7710

TQ86AM0: Bismuth

Excellent specimen, of high quality and very representative of specimens from the locality. Free of alteration, with polysynthetic parallel growths, with sharp surfaces and small crystals with very well defined faces and edges, which is quite unusual for the species.
The specimen is from the Bruno Cerato collection, whose label we will send to the buyer.
Tazna Mine (Tazna-Rosario Mine), Cerro Tazna, Atocha-Quechisla District, Nor Chichas Province, Potosí Department Bolivia
Specimen size: 9.6 × 9.5 × 3.7 cm = 3.78” × 3.74” × 1.46”
Price: €1400 / US$1498 / ¥198740 / AUD$2240

MMB26AN9: Bismuth with Calcite

Very aerial aggregate of sharp Bismuth crystals with very well marked parallel and skeletal growths, some of them doubly terminated, on matrix with Calcite. A superb European classic, of great quality and with the added benefit of being in matrix.
Schlema-Hartenstein District, Erzgebirgskreis, Saxony/Sachsen Germany
Specimen size: 5.2 × 4.4 × 3.4 cm = 2.05” × 1.73” × 1.34”
Price: €1300 / US$1391 / ¥184540 / AUD$2080

TP46AI8: Bismuth with Calcite

Very aerial growth of extraordinarily well developed Bismuth crystals that are very bright and on matrix with Calcite. A German classic and a miniature of great quality that is from the Frank Keutsch collection whose label we will send to the buyer.
Schlema-Hartenstein District, Erzgebirgskreis, Saxony/Sachsen Germany
Specimen size: 3.6 × 3 × 1.5 cm = 1.42” × 1.18” × 0.59”
Price: €1300 / US$1391 / ¥184540 / AUD$2080

TPA62AP3: Bismuth with Chalcopyrite

Enormous crystal of Bismuth with well defined faces and edges, a metallic grey color, on a crystalline Chalcopyrite matrix. On the back it exhibits polysynthetic twinning and dissolution forms. Among the largest crystals known for the species. From the Piaotang Mine in China where tungsten and tin are extracted from quartz veins.
Piaotang Mine, Dayu, Ganzhou Prefecture, Jiangxi Province China (2021)
Specimen size: 7.5 × 7.2 × 4.2 cm = 2.95” × 2.83” × 1.65”

Main crystal size: 7.5 × 4.5 cm = 2.95” × 1.77”
Price: €7500 / US$8029 / ¥1064700 / AUD$12040

BFG56AO6: Bixbyite with Topaz, Fluorite and Pseudobrookite

Cuboctahedral crystal of Bixbyite of good size with very sharp crystal forms, with very bright luster, on a matrix of volcanic rock. With coatings of small light purple Fluorite crystals, transparent Topaz crystals and a very sharp Pseudobrookite crystal with excellent terminations. The specimen comes from an important European collection and was sold by the well-known Dr. Wilke.
Thomas Range, Juab County, Utah USA
Specimen size: 12.4 × 8.1 × 5.9 cm = 4.88” × 3.19” × 2.32”
Price: €1500 / US$1605 / ¥212940 / AUD$2400

BYM96AP6: Boleite

Sharp Boleite crystal, large for the species, with good luster and deep color and in limonite matrix. A Mexican and world classic, of the best quality for the species and from the type locality.
Amelia Mine, Santa Rosalía (El Boleo), Boleo District, Municipio Mulegé, Baja California Sur Mexico (±1984)
Specimen size: 5.6 × 5.3 × 3.3 cm = 2.20” × 2.09” × 1.30”

Main crystal size: 1 × 1 cm = 0.39” × 0.39”
Price: €1900 / US$2034 / ¥269720 / AUD$3050

TE87AG1: Boleite with Atacamite-Paratacamite

Boleite with Atacamite-Paratacamite on matrix. Coming from recent finds in the famous Amelia Mine due to work on the dumps there.
Amelia Mine, Santa Rosalía (El Boleo), Boleo District, Municipio Mulegé, Baja California Sur Mexico
Specimen size: 7 × 5 × 4.8 cm = 2.76” × 1.97” × 1.89”
Price: €260 / US$278 / ¥36900 / AUD$410

TQ13AM0: Boracite

Cubic crystals clearly beveled by dodecahedral and octahedral faces. Translucent, with good luster and an intense olive-green color. On matrix, which is not common for this species.
Bernburg, Stassfurt, Saxony-Anhalt/Sachsen-Anhalt Germany
Specimen size: 3 × 2.4 × 1.4 cm = 1.18” × 0.94” × 0.55”

Main crystal size: 0.2 × 0.2 cm = 0.08” × 0.08”
Price: €80 / US$85 / ¥11350 / AUD$120

SM160NYG: Bornite after Chalcocite

Bornite with bluish metallic tones pseudomorphic after twinned crystals of Chalcocite. The specimen comes from the last find before the definitive closure of open-pit mining here, and this is the first time that collector quality Bornite has appeared at this locality. These specimens has been analyzed and we will send a copy of the analysis to the buyer.
Las Cruces Mine, fase 6, levels 130-135, ↓175 m., Gerena-Guillena-Salteras, Comarca Sierra Norte, Seville, Andalusia Spain (01/2020)
Specimen size: 4.2 × 2.4 × 1 cm = 1.65” × 0.94” × 0.39”
Price: €160 / US$171 / ¥22710 / AUD$257

SM160NLN: Bornite after Chalcocite

Bornite with bluish metallic tones pseudomorphic after twinned crystals of Chalcocite. The specimen comes from the last find before the definitive closure of open-pit mining here, and this is the first time that collector quality Bornite has appeared at this locality. These specimens has been analyzed and we will send a copy of the analysis to the buyer.
Las Cruces Mine, fase 6, levels 130-135, ↓175 m., Gerena-Guillena-Salteras, Comarca Sierra Norte, Seville, Andalusia Spain (01/2020)
Specimen size: 2.4 × 2.3 × 2 cm = 0.94” × 0.91” × 0.79”

Main crystal size: 1.3 × 1.1 cm = 0.51” × 0.43”
Price: €160 / US$171 / ¥22710 / AUD$257

NGB27AN4: Bornite after Chalcocite

Bluish Bornite pseudomorphs after twinned Chalcocite crystals. The specimen comes from the last find before the definitive closure of open-pit mining at this mine and shows, for the first time from this locality, Bornite in collection-quality specimens. These specimens have been analyzed and we will send a copy of the analysis to the buyer.
This specimen has been published on the Mineralogical Record´s web page, in the 'What's New' section, report 61, August 30, 2021 edition, page 9
Las Cruces Mine, fase 6, levels 130-135, ↓175 m., Gerena-Guillena-Salteras, Comarca Sierra Norte, Seville, Andalusia Spain (01/2020)
Specimen size: 2.5 × 1.8 × 1.4 cm = 0.98” × 0.71” × 0.55”
Price: €220 / US$235 / ¥31230 / AUD$350

TC220NZ: Bornite after Chalcocite and with Calcite

Group of very sharp Bornite pseudomorphs after Chalcocite crystals, as thick twins with a hexagonal outline, with very well defined faces and edges, brilliant and with intense metallic iridescence. The Bornite appears on a matrix with Calcite crystal coatings. These specimens have been analyzed and we will send a copy of the analysis to the buyer.
Las Cruces Mine, fase 6, levels 130-135, ↓175 m., Gerena-Guillena-Salteras, Comarca Sierra Norte, Seville, Andalusia Spain (01/2020)
Specimen size: 7.1 × 5.3 × 2.6 cm = 2.80” × 2.09” × 1.02”

Main crystal size: 0.6 × 0.3 cm = 0.24” × 0.12”
Price: €220 / US$235 / ¥31230 / AUD$353

MY96AJ1: Bournonite

Parallel group of very sharp, twinned Bournonite crystals with very well defined and bright faces and edges. An excellent miniature, a German classic from the Thomas P. Moore collection whose label we will send to the buyer.
Georg Mine, Horhausen, Flammersfeld, Altenkirchen (Westerwald), Siegerland, Rhineland-Palatinate/Rheinland-Pfalz Germany
Specimen size: 3 × 2 × 1.9 cm = 1.18” × 0.79” × 0.75”
Price: €180 / US$192 / ¥25550 / AUD$280

MA87AJ8: Bournonite on Siderite

Group of twinned Bournonite crystals, very typical for the locality and a great classic for the species. The crystals, one of them clearly dominant, are very well defined, extraordinarily bright and are on matrix. An excellent German classic that is with an old paperboard collectible box with a transparent cover and handwritten notes that we also will send to the buyer.
The specimen has been reviewed, photographed and published in the magazine ‘Mineral Up’ on page 62 of the 2019/01 edition.
Horhausen, Flammersfeld, Altenkirchen (Westerwald), Siegerland, Rhineland-Palatinate/Rheinland-Pfalz Germany
Specimen size: 3.6 × 3.2 × 1.5 cm = 1.42” × 1.26” × 0.59”

Main crystal size: 0.5 × 0.4 cm = 0.20” × 0.16”
Price: €280 / US$299 / ¥39740 / AUD$440

TT69AK0: Bournonite with Galena and Pyrite

Cyclic twins of well-defined Bournonite crystals covered by a second generation of very bright small crystals of Bournonite. On matrix with Galena crystals and groups of Pyrite crystals.
Huanzala Mine, Huallanca District, Dos de Mayo Province, Huánuco Department Peru (±2019)
Specimen size: 5.5 × 4.1 × 4.7 cm = 2.17” × 1.61” × 1.85”
Price: €380 / US$406 / ¥53940 / AUD$610

MRM73AN8: Bournonite with Pyrite, Sphalerite and Calcite

Twinned Bournonite crystal, isolated, very aerial and large, shiny and on matrix, with complex Pyrite crystals, twinned Sphalerite crystals and small white Calcite crystals. This specimen, from a recent find, recalls the classic bournonites found in the mine in the past. It has been tested that the Bournonite crystal was not mechanically bound to the matrix, corroborating the nature of the specimen.
The specimen has been photographed and published in the magazine ‘Paragénesis’, number 01/2022, page 74 and published in the Bulletin ‘MiniBul A.G.A.B.’ on page 83 of number 3/2022
Stan Trg (Stari Trg) Mine, Trepča Complex, Trepča Valley, Kosovska Mitrovica, Kosovska Mitrovica District Kosovo (03/2020)
Specimen size: 11.2 × 9.1 × 7.7 cm = 4.41” × 3.58” × 3.03”

Main crystal size: 2.5 × 2.3 cm = 0.98” × 0.91”
Price: €940 / US$1006 / ¥133440 / AUD$1510

ET51AI4: Bournonite with Sphalerite and Pyrite

Druse of Bournonite crystals forming cyclic twins with very well defined parallel polycrystalline growths. They are very bright and are with groups of black Sphalerite crystals and small Pyrite crystals.
Herja Mine, Chiuzbaia, Baia Sprie, Maramures Romania (1960-1970)
Specimen size: 11.5 × 10.2 × 4.1 cm = 4.53” × 4.02” × 1.61”
Price: €580 / US$620 / ¥82330 / AUD$930

BBX90AP4: Bournonite with Sphalerite and Quartz

Twinned Bournonite crystals with excellent crystal forms, lustrous, and on matrix, with translucent and caramel-colored crystals of Sphalerite and small white Quartz crystals. The specimen comes from an important European collection.
Cavnic mining area, Cavnic, Maramures Romania
Specimen size: 14.6 × 10.8 × 4.3 cm = 5.75” × 4.25” × 1.69”

Main crystal size: 1 × 0.9 cm = 0.39” × 0.35”
Price: €440 / US$471 / ¥62460 / AUD$700

ET47AK1: Bournonite with Sphalerite, Pyrite after Pyrrhotite and Galena

Single Bournonite crystal, isolated, on a matrix of Galena after Pyrrhotite beveled by growths of complex crystals of Pyrite and with spherical crystals of Sphalerite. The specimen, from a very recent find, reminds us of the classic Bournonites of this mine, found in the past.
Stan Trg (Stari Trg) Mine, Trepča Complex, Trepča Valley, Kosovska Mitrovica, Kosovska Mitrovica District Kosovo (2019)
Specimen size: 9.7 × 4.6 × 2.8 cm = 3.82” × 1.81” × 1.10”
Price: €240 / US$256 / ¥34070 / AUD$380

TZ27AM5: Brazilianite with Albite and Greifensteinite

Large doubly terminated and very sharp Brazilianite crystals, transparent, with good luster and a very vivid color and on an Albite matrix. Partially covered with small, very sharp crystals of Greifensteinite, a rare phosphate of calcium, iron, and beryllium.
Telírio claim, Linópolis, Divino das Laranjeiras, Vale do Rio Doce, Minas Gerais Brazil
Specimen size: 8 × 7.2 × 4.3 cm = 3.15” × 2.83” × 1.69”

Main crystal size: 6.5 × 2.8 cm = 2.56” × 1.10”
Price: €2200 / US$2355 / ¥312310 / AUD$3530

XM180TE: Brazilianite with Muscovite

Incomplete crystal of Brazilianite but with very well defined crystal forms, translucent, extraordinarily shiny and with an intense yellow color, with a small leafy aggregate of Muscovite.
Linópolis, Divino das Laranjeiras, Vale do Rio Doce, Minas Gerais Brazil
Specimen size: 6 × 4.2 × 2.2 cm = 2.36” × 1.65” × 0.87”
Price: €180 / US$192 / ¥25550 / AUD$289

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