Mineral specimens search results

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Skeletal crystals and leafy growths of Gold, very bright and contrasting with the rock matrix. The specimen comes from a recent find in a mining district in Colombia which is still little known.
Los Delirios claim, Delirios I cut, Municipio Vetas, Soto Province, Santander Department Colombia (15/08/2020)
Specimen size: 5.5 × 3.3 × 1.8 cm = 2.17” × 1.30” × 0.71”

EH39AG5: Gold

Skeletal crystals and leafy growths of Gold. They are very bright and are on a rocky matrix. The sample is from a Colombian mining area not well known until now.
Potosí claim, La Tosca cut, Municipio Vetas, Soto Province, Santander Department Colombia (2017)
Specimen size: 6 × 3.8 × 2.6 cm = 2.36” × 1.50” × 1.02”

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

MG88AE9: Gold

Dendritic growth of very bright laminar forms, on a small Quartz matrix. The sample is an excellent thumbnail from a locality that is practically unknown for collectible gold samples.
La Ciénega, Municipio de Pitiquito, Sonora Mexico
Specimen size: 1.7 × 1.4 × 1.2 cm = 0.67” × 0.55” × 0.47”

EX98AM7: Gold

TB91AH0: Gold

A novelty at Tucson 2018. The sample is from a new place, not so far from the better known Serra do Caldeirão where the gold samples have different morphological characteristics. In this case this is a single floater and complete crystal with very well defined faces and edges and a Spinel law twin.
Serra Dourada, Pontes e Lacerda, Alto Guaporé District, Mato Grosso Brazil (12/2017)
Specimen size: 1.2 × 0.7 × 0.5 cm = 0.47” × 0.28” × 0.20”

MRM99AO1: Gold

Arborescent growth of octahedral Gold crystals, with very sharp and elongated crystal forms.
Santa Elena de Uairén, Gran Sabana, Bolívar State Venezuela
Specimen size: 2.1 × 0.7 × 0.5 cm = 0.83” × 0.28” × 0.20”

Main crystal size: 1 × 0.2 cm = 0.39” × 0.08”

TQ29AH6: Gold

Very aerial growth of very sharp octahedral crystals with deep hollows on octahedron faces and extraordinarily bright.
We’ll send the sample in its original Perkin’s box from the R.J. Noble collection, also containing the collection label.
De Maria Mine, Sage Hill, Michigan Bluff District, Placer County, California USA
Specimen size: 1.4 × 0.8 × 0.7 cm = 0.55” × 0.31” × 0.28”

NH50AF0: Gold

Complete Gold nugget preserving rough octahedral crystalline forms, with relatively well preserved faces and edges.
Talarrubias / Casas de Don Pedro area, Comarca La Siberia, Badajoz, Extremadura Spain
Specimen size: 1.6 × 1.3 × 0.4 cm = 0.63” × 0.51” × 0.16”

MH89AM4: Gold

From a very recent find in the area of Western Sahara in Morocco, with the specific location yet to be determined, this specimen of Gold, very well crystallized and with brilliant luster, displays a sharply defined morphology, with the dominant forms of the octahedron and with curious hooked ends.
We will see what the future of the locality holds for these high quality absolute novelties.
This material has been carefully analyzed, and we will send a copy of the analysis to the buyer.
Aouint Ighoman, Assa-Zag Province, Guelmim-Oued Noun Region Morocco (2020)
Specimen size: 1.1 × 0.9 × 0.3 cm = 0.43” × 0.35” × 0.12”

EC50AG5: Gold

Skeletal and leafy growths of native gold on a rocky matrix with Quartz (chalcedony variety). The sample is from a Colombian mining area not well known until now.
Potosí claim, La Tosca cut, Municipio Vetas, Soto Province, Santander Department Colombia (2017)
Specimen size: 7.2 × 6.4 × 1.8 cm = 2.83” × 2.52” × 0.71”

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

TE12AD3: Gold

A novelty at Tucson 2016. Floater and very aerial aggregate of flattened crystals that have very well defined skeletal growths. According to our sources the site is not supplying new specimens for collectors so new finds are not expected. We analyzed these Golds and they are really special. They contains a 99.1% Gold and about a 0.5 % Rhodium, which is quite uncommon. We’ll send a copy of the analysis to the buyer.
If you want to know more about these Golds you can use this link
This specimen was published on the Mineralogical Record´s web page, in the ‘What's New’ section, number 43, May 8, 2016 edition.
Serra do Caldeirão claims, Pontes e Lacerda, Alto Guaporé District, Mato Grosso Brazil (2015)
Specimen size: 1.9 × 1.1 × 0.6 cm = 0.75” × 0.43” × 0.24”

MF89AM4: Gold

From a very recent find in the area of Western Sahara in Morocco, with the specific location yet to be determined, this specimen of Gold, very well crystallized and with brilliant luster, displays a sharply defined morphology, with the dominant forms of the octahedron in highly stylized parallel growths, distinctly twinned according to the spinel law and with curious hooked ends.
We will see what the future of the locality holds for these high quality absolute novelties.
This material has been carefully analyzed, and we will send a copy of the analysis to the buyer.
Aouint Ighoman, Assa-Zag Province, Guelmim-Oued Noun Region Morocco (2020)
Specimen size: 1.8 × 0.3 × 0.1 cm = 0.71” × 0.12” × 0.04”

SV3640TPP: Gold

After the first significant gold discovery in Serra do Caldeirão in 2015 (An opportune harvest of Gold in Serra do Caldeirão claims, Brazil), there have been new small finds in the area. Specifically, this Gold is from 2017 and is from the Serra Dourada area. Compared to the others, it has an excellent color and the crystal faces are more rounded than those of golds from the Serra do Caldeirão.
Serra Dourada, Pontes e Lacerda, Alto Guaporé District, Mato Grosso Brazil (12/2017)
Specimen size: 1.1 × 0.9 × 0.7 cm = 0.43” × 0.35” × 0.28”

TL91AH1: Gold

Floater specimen of octahedral crystals with sharp edges and deep skeletal growths. The site is currently not supplying new specimens for collectors so new finds are not expected. We analyzed these Golds and they are really special. They contain 99.1% Gold and about 0.5 % Rhodium, which is quite uncommon. We’ll send a copy of the analysis to the buyer.
If you want to know more about these Golds you can use this link
Serra do Caldeirão claims, Pontes e Lacerda, Alto Guaporé District, Mato Grosso Brazil (9-12/2015)
Specimen size: 1.5 × 1.2 × 1 cm = 0.59” × 0.47” × 0.39”

Main crystal size: 0.4 × 0.4 cm = 0.16” × 0.16”

MD11AM4: Gold

From a very recent find in the area of Western Sahara in Morocco, with the specific location yet to be determined, this specimen of Gold, very well crystallized and with brilliant luster, displays a sharply defined morphology, with the dominant forms of the octahedron in highly stylized parallel growths, distinctly twinned according to the spinel law and with curious hooked ends.
We will see what the future of the locality holds for these high quality absolute novelties.
This material has been carefully analyzed, and we will send a copy of the analysis to the buyer.
Aouint Ighoman, Assa-Zag Province, Guelmim-Oued Noun Region Morocco (2020)
Specimen size: 2.1 × 0.3 × 0.2 cm = 0.83” × 0.12” × 0.08”

TE92AK9: Gold

Dendritic growth of very elongated crystals, with flattened stretched “wire” shapes. We will send the specimen, which comes from one of the great Australian classic localities, in its original Perky box from the Robert J. Noble collection, which also contains his label, with the annotation: Kalgoorlie, 2007, 5.5 grams net.
Idaho South pit, Kalgoorlie-Boulder, Kalgoorlie-Boulder Shire, Western Australia Australia
Specimen size: 2.6 × 2 × 0.2 cm = 1.02” × 0.79” × 0.08”

MC1AI5: Gold

Very aerial and bright aggregate with crystalline forms perhaps not so well defined but evident.
Aouint Ighoman, Assa-Zag Province, Guelmim-Oued Noun Region Morocco
Specimen size: 1.8 × 0.6 × 0.6 cm = 0.71” × 0.24” × 0.24”

MA2AI5: Gold

Floater that is bright and has poorly defined but existing crystalline forms.
Aouint Ighoman, Assa-Zag Province, Guelmim-Oued Noun Region Morocco
Specimen size: 2.5 × 1.5 × 0.2 cm = 0.98” × 0.59” × 0.08”

EFF71AO0: Gold

Dendritic growth of elongated octahedral Gold crystals with very well defined faces and edges. High quality.
Santa Elena de Uairén, Gran Sabana, Bolívar State Venezuela
Specimen size: 2 × 1 × 0.4 cm = 0.79” × 0.39” × 0.16”

MF94AK8: Gold

Group of elongated rhombododecahedral crystals, one of them clearly dominant, with unusually sharp crystalline forms. The morphology of the specimen is excellent.
Uriman, Bolívar State Venezuela (2019)
Specimen size: 1.3 × 0.5 × 0.5 cm = 0.51” × 0.20” × 0.20”

TZ43AJ6: Gold

The sample is very rich with Gold with arborescent crystalline and skeletal forms on a Quartz matrix. We will send the sample it in its original Perkin’s box from the R.J. Noble collection, also containing the collection label on which appears the note: Kalgoorlie, 2004, 13.8 grams net.
Idaho South pit, Kalgoorlie-Boulder, Kalgoorlie-Boulder Shire, Western Australia Australia
Specimen size: 2.2 × 2 × 1.7 cm = 0.87” × 0.79” × 0.67”

TB73AK8: Gold

Very elongated growth, with parallel growths and slight twists, of Gold crystals with defined terminal faces, from one of the great classic Australian localities.
We will send the specimen in the original Perky box from the Robert J. Noble collection, which also contains the label.
Slug Hill, Kalgoorlie-Boulder, Kalgoorlie-Boulder Shire, Western Australia Australia
Specimen size: 2.5 × 0.3 × 0.2 cm = 0.98” × 0.12” × 0.08”

TY43AJ8: Gold

Platy and dendritic, aerial and on matrix, Gold. The sample is from an Australian locality that is not well known. We will send the sample in its original Perkin’s box from the R.J. Noble collection, also containing the collection label on which appears “Kalgoorlie, 2007”
Idaho South pit, Kalgoorlie-Boulder, Kalgoorlie-Boulder Shire, Western Australia Australia
Specimen size: 2.5 × 2.1 × 1.5 cm = 0.98” × 0.83” × 0.59”

MTB94AP3: Gold

Floater group of Gold crystals with recognizable crystal shapes and faces dominated by the octahedron, very shiny and aesthetic, coming from a locality from which such well-crystallized specimens are rarely seen.
Mount Kare Mine, Mount Kare Valley, Mount Hagen, Mount Hagen District, Western Highlands Province Papua New Guinea
Specimen size: 1.5 × 1.1 × 0.3 cm = 0.59” × 0.43” × 0.12”

Main crystal size: 0.6 × 0.4 cm = 0.24” × 0.16”

TF3AK5: Gold

Flattened parallel aggregate of very well defined rhombododecahedral crystals and triangular growth shapes that correspond to octahedron faces. In the words of Bob Noble on his label: “spinel twin structure“. This very aesthetic specimen is of high quality and comes from a classic American locality for the species.
The specimen will be sent in Bob Noble‘s original Perky box, which also contains the label.
Round Mountain Mine, Round Mountain, Round Mountain District, Nye County, Nevada USA
Specimen size: 3 × 1.6 × 0.3 cm = 1.18” × 0.63” × 0.12”

12722 results found.

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