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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$429 / ¥48620 / AUD$600

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”

Main crystal size: 2 × 1.5 cm = 0.79” × 0.59”
Price: €580 / US$654 / ¥74220 / AUD$920

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$270 / ¥30710 / 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$2484 / ¥281530 / AUD$3510

HM80CR: Brazilianite with Mica

Aggregate of Brazilianite crystals, many of them doubly terminated, with a short prismatic habit, between transparent and translucent, with good luster and an intense yellow color. Associated with lamellar Muscovite crystals.
This specimen comes from the Carles Curto collection, whose label and catalogue entry we will send to the buyer.
Conselheiro Pena, Vale do Rio Doce, Minas Gerais Brazil
Specimen size: 3.8 × 2.8 × 2.4 cm = 1.50” × 1.10” × 0.94”
Price: €80 / US$90 / ¥10230 / AUD$120

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$203 / ¥23030 / AUD$280

EB48AE3: Brochantite

A novelty at Munich 2016. Until now a poorly known mine, the Brochantite forms sprays of finely acicular crystals with a very intense silky luster and a very vivid color and are on a Quartz (variety chalcedony) matrix.
Los Azules Mine, Quebrada San Miguel, Copiapó Province, Atacama Region Chile (11-12/2015)
Specimen size: 9.4 × 6.5 × 6.9 cm = 3.70” × 2.56” × 2.72”
Price: €320 / US$361 / ¥40950 / AUD$510

TR88AI9: Brochantite

Brochantite specimens from Milpillas have won a well-deserved fame for their excellent quality. In this case, the idiomorphic crystals are elongated,with sharp faces and edges and a very deep green color; the matrix is partially coated by a later generation of brochantite, showing pale green fibrous crystals with satiny luster. In my opinion this locality offers the world’s best Brochantite as judged by crystal size and sharpness, deep color and high luster.
Milpillas Mine, Cuitaca, Municipio Santa Cruz, Sonora Mexico (01/2015)
Specimen size: 6.2 × 5.4 × 2.6 cm = 2.44” × 2.13” × 1.02”

Main crystal size: 1 × 0.3 cm = 0.39” × 0.12”
Price: €360 / US$406 / ¥46060 / AUD$570

TL62AI9: Brochantite

Brochantite crystals from Milpillas are famous for their sharpness and generally excellent quality. Here we have a group of idiomorphic Brochantite crystals with well-defined faces and edges and chisel-like terminations. The specimen’s composition, with large crystals on matrix coated by smaller crystals, makes for fine aesthetics. In my opinion this locality produces the world’s finest Brochantite specimens.
Milpillas Mine, Cuitaca, Municipio Santa Cruz, Sonora Mexico (2012)
Specimen size: 5.2 × 4.5 × 4.6 cm = 2.05” × 1.77” × 1.81”
Price: €680 / US$767 / ¥87010 / AUD$1080

TL79AB4: Brochantite

A novelty at Tucson 2015. Fibrous Brochantite is very well known at the Milpillas mine but this sample has aggregates of elongated idiomorphic crystals, one of them clearly isolated and doubly terminated, with very well defined faces and edges and chisel like terminations. In our opinion, the world's best for the species for their definition, crystal size, as well as their color and luster and, in general, very high quality.
Milpillas Mine, Cuitaca, Municipio Santa Cruz, Sonora Mexico (07-08/2014)
Specimen size: 9.5 × 6.3 × 3.3 cm = 3.74” × 2.48” × 1.30”

Main crystal size: 1 × 0.4 cm = 0.39” × 0.16”
Price: €480 / US$541 / ¥61420 / AUD$760

TV16AD9: Brochantite on Fluorite

Radial growths of green acicular Brochantite microcrystals on a crystalline Fluorite matrix that is translucent and has a sky blue color with slightly violet zones. Very unusual, the sample is from an old collection.
Blanchard Mine (Portales-Blanchard Mine), Sunshine No. 2 adit, Bingham, Hansonburg District, Socorro County, New Mexico USA
Specimen size: 4.9 × 3.7 × 2.9 cm = 1.93” × 1.46” × 1.14”
Price: €110 / US$124 / ¥14070 / AUD$170

TR51AL4: Brochantite with Dickite

Two complete Brochantite crystals, isolated and extraordinarily well defined, with sharp crystal forms, chisel-like terminations, implanted on matrix with white growths of Dickite, an aluminum silicate. Both the excellent definition and size of the crystals as well as the color, the luster and, in general, their extraordinary quality, place this type of specimen among the best in the world.
Milpillas Mine, Cuitaca, Municipio Santa Cruz, Sonora Mexico (07-08/2014)
Specimen size: 4.6 × 4.2 × 3.2 cm = 1.81” × 1.65” × 1.26”

Main crystal size: 2 × 0.9 cm = 0.79” × 0.35”
Price: €5600 / US$6322 / ¥716630 / AUD$8950

TC140EA: Brochantite with Linarite

Coming from a mine little known until now, Brochantite forms fan-like aggregates of finely acicular crystals, with an intense silky luster and a very vivid color. Accompanied by Linarite crystals with brilliant luster and a very vivid color.
Los Azules Mine, Quebrada San Miguel, Copiapó Province, Atacama Region Chile (2019)
Specimen size: 3.8 × 2.7 × 3.3 cm = 1.50” × 1.06” × 1.30”
Price: €140 / US$158 / ¥17910 / AUD$220

MX16AE7: Brochantite with Quartz (variety chalcedony)

A novelty at Munich 2016. Spray-like aggregates of finely acicular crystals with a very intense silky luster. They are on a rocky matrix with Quartz (chalcedony variety) coatings. The sample is from a formerly poorly known mine.
Los Azules Mine, Quebrada San Miguel, Copiapó Province, Atacama Region Chile (11-12/2015)
Specimen size: 5.9 × 3.8 × 4.9 cm = 2.32” × 1.50” × 1.93”
Price: €130 / US$146 / ¥16630 / AUD$200

SM280EKF: Brookite on Quartz

Parallel growth of two very sharp Brookite crystals, flattened, with good definition of faces and edges, lustrous, on a matrix of Quartz crystals.
Kharan, Kharan District, Balochistan (Baluchistan) Pakistan (2005)
Specimen size: 4.7 × 3.1 × 3 cm = 1.85” × 1.22” × 1.18”
Price: €280 / US$316 / ¥35830 / AUD$440

CD16AI3: Brookite with Quartz

Very sharp laminar Brookite crystals that are transparent and bright with an orange brown color. They are implanted on a group of doubly terminated Quartz crystals with polycrystalline growths.
Puiva Mount, Saranpaul, Khanty-Mansi Okrug, Tyumen Oblast Russia
Specimen size: 7.8 × 4 × 2.9 cm = 3.07” × 1.57” × 1.14”

Main crystal size: 1.8 × 1 cm = 0.71” × 0.39”
Price: €110 / US$124 / ¥14070 / AUD$170

MK17E9: Brookite with Quartz

The laminar crystals have great color and the Quartz that they sit on is well crystallized.
Zard Mountain, Ras Koh Mountains, Kharan, Kharan District, Balochistan (Baluchistan) Pakistan (2004)
Specimen size: 6 × 4.8 × 3 cm = 2.36” × 1.89” × 1.18”
Price: €210 / US$237 / ¥26870 / AUD$330

MZ76H2: Brookite with Quartz and Albite

Translucent and of nice color, the Brookite crystals, incomplete but unbroken, sit on a bed of Quartz and Albite crystals. Some of the Quartz crystals have green inclusions enhancing the specimen.
Zard Mountain, Ras Koh Mountains, Kharan, Kharan District, Balochistan (Baluchistan) Pakistan (2004)
Specimen size: 4.6 × 3.5 × 2 cm = 1.81” × 1.38” × 0.79”

Main crystal size: 1.3 × 1 cm = 0.51” × 0.39”
Price: €175 / US$197 / ¥22390 / AUD$270

XM90NBA: Brucite

Botryoidal aggregates of Brucite on matrix with visible crystal forms, which is unusual for the species. Apart from the excellent luster, the unusual quality and intensity of the uniform lemon-yellow color stands out. We will send a copy of the analysis to the buyer.
Killa Saifullah District, Balochistan (Baluchistan) Pakistan (2016)
Specimen size: 3.3 × 2.9 × 2.4 cm = 1.30” × 1.14” × 0.94”
Price: €90 / US$101 / ¥11510 / AUD$140

9NE66: Brucite

Botryoidal aggregates of a uniform yellow color and with visible crystals, something not very common for the species. With remnants of matrix.
Killa Saifullah District, Balochistan (Baluchistan) Pakistan (2016)
Specimen size: 4.8 × 3.0 × 1.0 cm = 1.89” × 1.18” × 0.39”
Price: €140 / US$158 / ¥17910 / AUD$220

NR46AE9: Brucite

Botryoidal aggregates, on matrix, with some quite well defined (more than usual for the species) crystal faces and edges. Besides the good luster we note the special quality and intensity of the color, a uniform lemon yellow. We’ll send a copy of the analysis to the buyer.
Killa Saifullah District, Balochistan (Baluchistan) Pakistan (2016)
Specimen size: 3.8 × 3.2 × 2.6 cm = 1.50” × 1.26” × 1.02”
Price: €150 / US$169 / ¥19190 / AUD$230

NL86AE9: Brucite

Botryoidal aggregates, on matrix, with some quite well defined (more than usual for the species) crystal faces and edges. Besides the good luster we note the special quality and intensity of the color, a uniform lemon yellow. We’ll send a copy of the analysis to the buyer.
Killa Saifullah District, Balochistan (Baluchistan) Pakistan (2016)
Specimen size: 4.5 × 5.2 × 1.6 cm = 1.77” × 2.05” × 0.63”
Price: €190 / US$214 / ¥24310 / AUD$300

EM16AM4: Brucite

Botryoidal aggregates of Brucite on matrix with visible and better defined crystal forms than usual in the species. Translucent, with good luster and an intense and uniform lemon-yellow color.
The specimen comes from the collection of Peter Rosewarne (number Rc953), whose label we will send to the buyer, along with a copy of the analysis.
Killa Saifullah District, Balochistan (Baluchistan) Pakistan
Specimen size: 13.2 × 7.8 × 2 cm = 5.20” × 3.07” × 0.79”
Price: €1100 / US$1242 / ¥140760 / AUD$1750

XM70ED: Bultfonteinite with Hydroxyapophyllite-(K) and Calcite

Fanlike groups of snowy white acicular crystals of Bultfonteinite replacing the faces of short elongated crystals of Hydroxyapophyllite-(K) which has a pseudocubic habit. In some cases the replacement is deeper and forms a more or less complete pseudomorph of the preexisting Hydroxyapophyllite-(K). All are on a matrix of clear, complex, crystals of Calcite.
We’ll send a copy of the analysis to the buyer of the piece.
N'Chwaning II Mine, N'Chwaning mining area, Kuruman, Kalahari manganese field (KMF), Northern Cape Province South Africa
Specimen size: 3.3 × 3.1 × 1.7 cm = 1.30” × 1.22” × 0.67”

Main crystal size: 1.4 × 1.1 cm = 0.55” × 0.43”
Price: €70 / US$79 / ¥8950 / AUD$110

EV12R1: Bultfonteinite with Hydroxyapophyllite-(K) and Calcite

Fanlike groups of snowy white acicular crystals of Bultfonteinite replacing the faces of short elongated crystals of Hydroxyapophyllite-(K) which has a pseudocubic habit. In some cases the replacement is deeper and forms a more or less complete pseudomorph of the preexisting Hydroxyapophyllite-(K). All are on a matrix of clear, complex, crystals of Calcite. We’ll send a copy of the analysis to the buyer of the piece.
N'Chwaning II Mine, N'Chwaning mining area, Kuruman, Kalahari manganese field (KMF), Northern Cape Province South Africa (2006)
Specimen size: 4.2 × 2.6 × 3 cm = 1.65” × 1.02” × 1.18”
Price: €70 / US$79 / ¥8950 / AUD$110

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