Bornite - Mineral specimens search results

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Mineral specimens search results for [ Bornite ]

Aerial group of cubic-shaped crystals with small octahedral faces and parallel polycrystalline growths. They are bright, with vivid iridescences of dominant blue and green shades. An excellent classic, an “oldie” of English mineralogy.
Carn Brea, Pool, Illogan, Camborne - Redruth - Saint Day District, Cornwall England / United Kingdom
Specimen size: 4.4 × 3.5 × 3.4 cm = 1.73” × 1.38” × 1.34”
Price: [SOLD]

TC52C6: Bornite

This specimen merits a careful description. Bornite crystals usually tends to be small, black, ugly and not very sharp. Well, this specimen shows is colorful nature due to an iridescent alteration of a thin covering, its crystals are pretty huge and extremely sharp for the species. You can appreciate its beauty in the photo. Plus the specimen is a floater with a small Bornite crystal just on the top corner of the specimen. Just great!
65 Mine, level 60, Dzhezkazgan Kazakhstan (2002)
Specimen size: 5.2 × 2.3 × 2.2 cm = 2.05” × 0.91” × 0.87”

Main crystal size: 2.5 × 2.2 cm = 0.98” × 0.87”
Price: [SOLD]

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$250

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$250

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

SM230NM: 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: 2.5 × 1.8 × 2.6 cm = 0.98” × 0.71” × 1.02”

Main crystal size: 1.6 × 1.6 cm = 0.63” × 0.63”
Price: [SOLD]

NK87AJ8: Bornite after Chalcocite

Aggregate of two Bornite (apparently after Chalcocite) crystals, both very well defined but with two very different shapes, one of them prismatic with a polycrystalline termination, while the second one is clearly tabular and forming a cyclic (“sixling”) twin.
The sample, an old English classic, is from the Carlos Prieto collection whose handwritten label we will send to the buyer.
Cornwall England / United Kingdom
Specimen size: 2.1 × 1.4 × 1.6 cm = 0.83” × 0.55” × 0.63”
Price: [SOLD]

NC57AM4: Bornite after Chalcocite and Tennantite-(Fe)

Bornite crystals pseudomorphic after Chalcocite twins, with a bronze color, with tetrahedral crystals of Tennantite-(Fe) and twins of Chalcocite that are shiny and have bluish metallic tones. 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.
This material has been analyzed and we will send a copy of the analysis to the buyer.
The specimen has been reviewed, photographed and published as a new discovery in the magazine ‘Mineralogical Record’ on page 206 in the volume 52, number 2, March-April 2021
Las Cruces Mine, fase 6, levels 130-135, ↓175 m., Gerena-Guillena-Salteras, Comarca Sierra Norte, Seville, Andalusia Spain (01/2020)
Specimen size: 7.4 × 6.6 × 5 cm = 2.91” × 2.60” × 1.97”

Main crystal size: 0.7 × 0.3 cm = 0.28” × 0.12”
Price: [SOLD]

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”
Price: €220 / US$235 / ¥31230 / AUD$353

NMC62AN4: Bornite after Chalcocite with Pyrite

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.
Las Cruces Mine, fase 6, levels 130-135, ↓175 m., Gerena-Guillena-Salteras, Comarca Sierra Norte, Seville, Andalusia Spain (01/2020)
Specimen size: 7.8 × 6.6 × 3.5 cm = 3.07” × 2.60” × 1.38”

Main crystal size: 0.7 × 0.6 cm = 0.28” × 0.24”
Price: [SOLD]

SM380NAP: Bornite after Chalcocite with Sb-bearing Tennantite-(Fe)

Very lustrous antimony-bearing Tennantite-(Fe) and 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 both 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: 12.5 × 7.1 × 2.5 cm = 4.92” × 2.80” × 0.98”
Price: [SOLD]

RD11Z8: Bornite with Chalcocite

Aggregate of small crystals with very well defined faces and edges, and with iridescences of a dominant bluish color. A good thumbnail of an English classic.
Carn Brea, Pool, Illogan, Camborne - Redruth - Saint Day District, Cornwall England / United Kingdom
Specimen size: 2.4 × 1.6 × 1.1 cm = 0.94” × 0.63” × 0.43”
Price: [SOLD]

CR63AN1: Bornite with Quartz

Tristetrahedral Bornite crystal with sharp crystal forms, bright metallic luster and intense iridescence, on matrix, with Quartz. This specimen comes from the Carles Curto collection, whose label and computer catalogue entry we will send to the buyer.
Bleida Mine, Tinzouline, Zagora Province, Drâa-Tafilalet Region Morocco (±1980)
Specimen size: 3.7 × 2 × 1.7 cm = 1.46” × 0.79” × 0.67”
Price: [SOLD]

MJ66AN0: Bornite with Quartz

Group of Bornite crystals, one of them clearly dominant, with very sharp crystal forms, with bright luster and blue metallic iridescence, on a Quartz crystal matrix. We will ship the specimen in its original Perky box from the Robert J. Noble collection, which also contains the label.
Dzhezkazgan Mine, Dzhezkazgan, Karaganda Region Kazakhstan
Specimen size: 2.7 × 2.7 × 2.6 cm = 1.06” × 1.06” × 1.02”

Main crystal size: 1 × 0.9 cm = 0.39” × 0.35”
Price: [SOLD]

S177S: Bornite with Quartz

Very unusual crystals of Bornite on quartz - we have never seen another specimen with this crystallography from this locality. Well positioned on the quartz and esthetic.
Dzhezkazgan Kazakhstan (1997)
Specimen size: 5.5 × 4.5 cm = 2.17” × 1.77”
Price: [SOLD]

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