Bismuth - Mineral specimens search results

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Mineral specimens search results for [ Bismuth ]

Skeletal crystals, crystalline surfaces and foliation planes that are very well defined, extraordinarily bright and on matrix. We’ll send to the buyer the original label and also a copy of the computer card with the full text of the collection catalog.
Pozoblanco, Comarca Los Pedroches, Córdoba, Andalusia Spain
Specimen size: 3 × 1.9 × 2.2 cm = 1.18” × 0.75” × 0.87”

TA16D5: Bismuth

Typical pack of crystalline Bismuth, very rich and with great luster, in fact much better than usual making the specimen very esthetic.
Biggenden, North Burnett Region, Queensland Australia
Specimen size: 2.9 × 1.8 × 2.8 cm = 1.14” × 0.71” × 1.10”

CD37AJ7: Bismuth

Parallel growths of skeletal faces and foliation surfaces of native Bismuth, very bright and on a Quartz matrix. A Spanish classic.
Dolores Mine, Dolores Mining Group, Las Lomas, Pozoblanco, Comarca Los Pedroches, Córdoba, Andalusia Spain
Specimen size: 5 × 3.6 × 2.9 cm = 1.97” × 1.42” × 1.14”

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”

TX27AF1: Bismuth

Mass of very sharp crystals with very well defined parallel and skeletal growths, some of them doubly terminated. A superb European classic with great quality.
38 Mine, Niederschlema, Bad Schlema (Schlema), Schlema-Hartenstein District, Erzgebirgskreis, Saxony/Sachsen Germany
Specimen size: 4.2 × 3.4 × 2.5 cm = 1.65” × 1.34” × 0.98”

TV64P1: Bismuth

Excellent sample whose penetrating angles had been molded by the faces of another preexisting mineral, probably Quartz. Those surfaces, then, aren’t real geometrical forms of Bismuth, but the small scales, echeloning and striations coating the surfaces correspond to crystalline growths of the mineral.
This specimen was photographed as a novelty at the 2009 Ste. Marie Show for the ‘Sainte-Marie Show 2009’ section of the magazine ‘Minéraux et Fossiles’ page 22, number 383 and also in the ‘Mineral Up’ magazine, on page 29, number 2009/2 and in the Russian magazine ‘Mineral Observer’ on page 60 in the volume 14, number 3.
Laikeng Mine, Gan, Ganzhou Prefecture, Jiangxi Province China (2009)
Specimen size: 4.6 × 3.5 × 3.4 cm = 1.81” × 1.38” × 1.34”

RA26G8: Bismuth

An historical sample, with a Folch’s autograph note, exactly detailing the point of the mine where it was mined, the gallery and the level and also the month and the year (1959). The sample is a close group of bright deformed and grained crystals, which are sharper in a zone rich on Quartz.
Dolores Mine, Sur Gallery, level 60, Dolores Mining Group, Las Lomas, Pozoblanco, Comarca Los Pedroches, Córdoba, Andalusia Spain (1959)
Specimen size: 4.7 × 3.4 × 3.7 cm = 1.85” × 1.34” × 1.46”

RX64H8: Bismuth

Excellent thumbnail, very representative for the locality. Free of alteration, it has no real crystals (as frequently happens on this species) but shows a parallel polysynthetic growth of the Bismuth that forms a kind of feather. The specimen has a small matrix of Quartz. It is from a mine that closed a long time ago.
La Espuela de San Miguel Mine, Villanueva de Córdoba, Comarca Los Pedroches, Córdoba, Andalusia Spain
Specimen size: 1.6 × 1.6 × 2.2 cm = 0.63” × 0.63” × 0.87”

RD36H8: Bismuth

Excellent sample, very representative for the locality. Free of alteration, it has no real crystals (as frequently happens on this species) but shows a parallel polysynthetic growth of the Bismuth. It is from a mine that closed a long time ago.
La Espuela de San Miguel Mine, Villanueva de Córdoba, Comarca Los Pedroches, Córdoba, Andalusia Spain
Specimen size: 4.8 × 3 × 2.4 cm = 1.89” × 1.18” × 0.94”

ET68K3: Bismuth

The vein surface is very densely covered with groups of small crystals that are very sharp. The specimen is a classic from one of the great localities of Germany.
Schlema-Hartenstein District, Erzgebirgskreis, Saxony/Sachsen Germany (±2004)
Specimen size: 8.5 × 7.7 × 6 cm = 3.35” × 3.03” × 2.36”

Main crystal size: 0.3 × 0.2 cm = 0.12” × 0.08”

RA76H9: Bismuth

A good sample, very representative of the specimens from the locality. It is free of alteration and although not having visible crystals (which is common for the species) it shows the polysynthetic parallel growth typical for Bismuth, and it has the form of a “feather”. It is from an old mine closed for a long time ago.
Villanueva de Córdoba, Comarca Los Pedroches, Córdoba, Andalusia Spain
Specimen size: 4.5 × 4.2 × 1.8 cm = 1.77” × 1.65” × 0.71”

TX63G1: Bismuth on Quartz

This parallel group of well-formed crystals stands out on a matrix of clear Quartz.
Cobalt area, Cobalt-Gowganda Region, Timiskaming District, Ontario Canada
Specimen size: 7 × 5.2 × 4 cm = 2.76” × 2.05” × 1.57”

Main crystal size: 0.5 × 0.2 cm = 0.20” × 0.08”

RF97K9: Bismuth on Quartz

Polysynthetic and laminar growths, with a good luster, on a Quartz matrix with small grains of Bismuth disseminated throughout the matrix.
La Espuela de San Miguel Mine, Villanueva de Córdoba, Comarca Los Pedroches, Córdoba, Andalusia Spain ((01/1963))
Specimen size: 5.4 × 3.4 × 2.8 cm = 2.13” × 1.34” × 1.10”

RX86R0: Bismuth with Bismuthinite and Quartz

Small sharp crystals of Bismuth, very bright and partially coated by well-defined Quartz crystals. With the Bismuth there are elongated, brassy, not well-defined Bismuthinite crystals. La Espuela de San Miguel Mine is a historic locality known for small occurrences of Bismuth and bismuth-bearing minerals, typically formed in low-temperature hydrothermal environments. Geologically, the area belongs to the southern margin of the Iberian Massif, in the Los Pedroches domain, dominated by Hercynian granites and Paleozoic metamorphic rocks. Hydrothermal fluids circulating through fractures in the granites produced narrow veins containing sulfides and semimetal elements, including bismuth, which occurs as bright metallic aggregates or dispersed nodules within the vein structures.
La Espuela de San Miguel Mine, Villanueva de Córdoba, Comarca Los Pedroches, Córdoba, Andalusia Spain (09/1960)
Specimen size: 6.3 × 4.7 × 5.2 cm = 2.48” × 1.85” × 2.05”

Main crystal size: 0.8 × 0.2 cm = 0.31”

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”

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”

Main crystal size: 1 × 0.7 cm = 0.39” × 0.28”

RB13R0: Bismuth with Calcite

Granular growths and small sharp crystals of Bismuth that are very bright and partially coated by rhombohedral Calcite crystals, uncommon for the locality, with very well defined faces and edges and, occasionally, skeletal growths.
La Espuela de San Miguel Mine, Villanueva de Córdoba, Comarca Los Pedroches, Córdoba, Andalusia Spain
Specimen size: 7.9 × 5 × 3.7 cm = 3.11” × 1.97” × 1.46”

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”

RE17R6: Bismuth with Quartz

Growths of small crystals oriented in a socalled "feather" formation. The crystals are very bright and on a matrix with crystallized Quartz.
La Espuela de San Miguel Mine, Villanueva de Córdoba, Comarca Los Pedroches, Córdoba, Andalusia Spain
Specimen size: 12.3 × 6.9 × 3.1 cm = 4.84” × 2.72” × 1.22”

RB17S7: Bismuth with Quartz

A granular massive aggregate with very bright and very well marked skeletal and feathered growths, with Quartz.
La Espuela de San Miguel Mine, Villanueva de Córdoba, Comarca Los Pedroches, Córdoba, Andalusia Spain
Specimen size: 7.8 × 5.7 × 5.7 cm = 3.07” × 2.24” × 2.24”

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