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MT47AM8: Gold (spinel twin)
These elegant Golds were found for the first time in 2020. The specimen shows excellent crystallization, with the dominant forms of the dodecahedron and the octahedron, with some of the faces forming very sharp and stylized growths that clearly show the distinct spinel-law twinning. Absolute novelty and of great quality. The 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: 4.6 × 0.5 × 0.4 cm = 1.81” × 0.20” × 0.16”
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MA37AM5: Gold (spinel twin)
This elegant Gold was found for the first time in 2020. This specimen is different from the others because it is on a Quartz matrix and although its crystals are not as well defined as those of other pieces of this find, they are still crystals and still shows the spinel-law twinning. Absolute novelty and of great quality. The 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: 3.3 × 2 × 1.2 cm = 1.30” × 0.79” × 0.47”

Main crystal size: 0.4 × 0.2 cm = 0.16” × 0.08”
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TX67AN0: Gold (spinel twin)
These elegant Golds were first found in 2020. This specimen is different from others of the same find, but it also has excellent crystallization, the dominant crystal forms being the dodecahedron and octahedron, with a sharp spinel-law twin. The 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: 1.5 × 1 × 0.9 cm = 0.59” × 0.39” × 0.35”
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TDA86AO0: Gold (spinel twin)
Stylized parallel growths of Gold crystals with a very well defined morphology, with the dominant forms of the octahedron in parallel growths and with a very marked spinel-law twin. The piece is very aesthetic and for this reason it has been given the nickname 'The flame' since its shape is reminiscent of a flame moved by the wind.The specimen has been published in the book 'Gold - monograph -', by Joaquim Callén, on page 17
Aouint Ighoman, Assa-Zag Province, Guelmim-Oued Noun Region  Morocco (09/2021)
Specimen size: 3 × 0.7 × 0.5 cm = 1.18” × 0.28” × 0.20”

Main crystal size: 1.3 × 0.4 cm = 0.51” × 0.16”
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ME57AM5: Gold (spinel twin)
These elegant Golds were found for the first time in 2020. This piece shows excellent crystallization, with the dominant octahedron, very sharp and in parallel growth, very stylized and with a very distinct spinel-law twin. Absolute novelty and of great quality. The material has been carefully analyzed and we will send a copy of the analysis to the buyer.
The specimen has been reviewed, photographed and published in the Russian magazine ‘Mineral Observer’ on page 87 in the volume 26/2021, number 1, and it has been published in the book 'Gold - monograph -', by Joaquim Callén, on page 163
Aouint Ighoman, Assa-Zag Province, Guelmim-Oued Noun Region  Morocco (2020)
Specimen size: 4.1 × 0.7 × 0.6 cm = 1.61” × 0.28” × 0.24”
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MJ68AM5: Gold (spinel twin)
These elegant Golds were found for the first time in 2020. The specimen shows excellent crystallization, with the cube and dodecahedron dominant and the octahedron forming parallel growths, with very sharp lateral growth, and twinned according to the spinel-law. Absolute novelty and of great quality. The 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: 3.1 × 0.9 × 0.5 cm = 1.22” × 0.35” × 0.20”

Main crystal size: 1.9 × 0.2 cm = 0.75” × 0.08”
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EFR88AO0: Gold (spinel twin)
Stylized parallel growths of Gold crystals with a very well defined morphology, with the dominant forms of the octahedron in parallel growths and with a very marked spinel-law twin. Among the top pieces of those found so far.
Aouint Ighoman, Assa-Zag Province, Guelmim-Oued Noun Region  Morocco (09/2021)
Specimen size: 5.6 × 0.6 × 0.6 cm = 2.20” × 0.24” × 0.24”
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MB58AM5: Gold (spinel twin)
These elegant Golds were found for the first time in 2020. This specimen shows excellent crystallization, with the dominant dodecahedron and triangular forms of the octahedron, with a growth of very sharp crystals that delineate the spinel-law twin. Absolute novelty and of great quality. The 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: 4.6 × 0.6 × 0.5 cm = 1.81” × 0.24” × 0.20”

Main crystal size: 1 × 0.3 cm = 0.39” × 0.12”
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TJ89AL5: Gold (spinel twin)
Very aerial, dendritic and parallel growths of elongated crystals of native Gold with rounded crystal habits and a very distinct spinel-law twin. A fine and elegant specimen that comes from the Robert J. Noble collection, whose label we will send to the buyer. This piece may well be one of the largest gold spinel-law twins ever found in the prolific Serra do Caldeirão find.
Serra do Caldeirão claims, Pontes e Lacerda, Alto Guaporé District, Mato Grosso  Brazil (9-12/2015)
Specimen size: 3.3 × 1.2  × 1.3 cm = 1.30” × 0.47” × 0.51”
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MA52AM5: Gold (spinel twin)
These elegant Golds were found for the first time in 2020. This piece shows excellent crystallization, with the dominant forms of the dodecahedron, some with skeletal and hopper growths, with the twinning according to the spinel-law very marked. Absolute novelty and of great quality. The 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: 4 × 1 × 1 cm = 1.57” × 0.39” × 0.39”

Main crystal size: 0.7 × 0.6 cm = 0.28” × 0.24”
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EER31AN9: Gold (spinel twin) on Quartz
Group of Gold crystals with the dominant forms of the octahedron and with very sharp spinel-law twinning, very lustrous and very aerial on a Quartz matrix. The piece shows good crystallization and, above all, it is on matrix, which until now had been extremely rare. The 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 (09/2021)
Specimen size: 1.7 × 0.9 × 0.9 cm = 0.67” × 0.35” × 0.35”
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NFR86AO3: Gold (spinel twin) on Quartz
Very stylized parallel growth of hoppered octahedral Gold crystals, with a very deep spinel-law twin. On matrix, with small lustrous water-clear Quartz crystals. As a curiosity, it is worth noting the great similarity of this classic specimen with the recent Moroccan golds of Aouint Ighoman. This specimen comes from the collection of Ignacio Gaspar Sintes (number ORO-52), whose label we will send to the buyer.
Mariposa County, California  USA
Specimen size: 8.5 × 5.3 × 4.3 cm = 3.35” × 2.09” × 1.69”

Main crystal size: 1.5 × 0.4 cm = 0.59” × 0.16”
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MXX86AP4: Gold (spinel twin) with Calcite
Parallel and stylized growths of octahedral Gold crystals with very distinct spinel law twinning. The specimen 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: 2.7 × 0.6 × 0.5 cm = 1.06” × 0.24” × 0.20”
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MJ87AM4: Gold (spinel twin) with Quartz
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, twinned according to the spinel law, with curious hooked ends and with minor Quartz.
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: 1.2 × 0.3 × 0.2 cm = 0.47” × 0.12” × 0.08”
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MK28AM4: Gold (spinel twin) with Quartz
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, twinned according to the spinel law, with curious hooked ends and with minor Quartz.
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 × 0.4 × 0.4 cm = 0.43” × 0.16” × 0.16”
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TP49AN0: Gold (spinel twin) with Quartz
These elegant Golds were found for the first time in 2020. Very aerial and elongated group of Gold crystals with excellent crystallization, with the dominant crystal forms being the dodecahedron and the octahedron in highly stylized parallel growths, with sharp twins according to the spinel law. The specimen has a little transparent Quartz matrix. The 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: 1.5 × 0.6 × 0.4 cm = 0.59” × 0.24” × 0.16”
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TFA89AN5: Gold (spinel twin) with Quartz
A recent find in 2021 has provided these elegant Gold specimens. The piece shows excellent crystallization, with the dominant forms of the octahedron in highly stylized parallel growths and with the distinct twinning according to the spinel law, and a little bit of Quartz matrix. The 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 (01/2021)
Specimen size: 3.4 × 0.3 × 0.2 cm = 1.34” × 0.12” × 0.08”
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TMP102AN5: Gold (spinel twin) with Quartz
A recent find in 2021 has provided these elegant Gold specimens. The piece shows excellent crystallization, with the dominant forms of the octahedron in highly stylized parallel growths and with the distinct twinning according to the spinel law, and a little bit of Quartz matrix. The 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 (01/2021)
Specimen size: 2 × 0.9 × 0.3 cm = 0.79” × 0.35” × 0.12”
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TLP96AO4: Gold (variety Ag-bearing) on Quartz with Sphalerite and Chalcopyrite
Lamellar and hooked growths of Gold (silver-bearing variety), very lustrous, on a Quartz matrix with small Chalcopyrite crystals and darker, rounded Sphalerite crystals. The specimen has been analyzed giving 20% silver. We will send a copy of the analysis to the buyer.
Sacarîmb (Nagyág), Deva, Hunedoara  Romania
Specimen size: 6.7 × 5.3 × 3.5 cm = 2.64” × 2.09” × 1.38”
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TC80TB: Gold (variety electrum)
Dendritic growth of flattened Gold crystals with very marked shapes, defined by the octahedron triangles, with bright luster, light in color because it is the electrum variety, very rich in silver (27% approx.). We will send a copy of the analysis to the buyer of the specimen.
R.J. Roberts lode, Willow Creek District, Pershing County, Nevada  USA (2015)
Specimen size: 1.3 × 0.5 × 0.1 cm = 0.51” × 0.20” × 0.04”
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TC80TA: Gold (variety electrum)
Dendritic growth of flattened Gold crystals with very marked shapes, defined by the octahedron triangles, with bright luster, light in color because it is the electrum variety, very rich in silver (27% approx.). We will send a copy of the analysis to the buyer of the specimen.
R.J. Roberts lode, Willow Creek District, Pershing County, Nevada  USA (2015)
Specimen size: 1.2 × 0.9 × 0.5 cm = 0.47” × 0.35” × 0.20”
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TL48AF7: Gold (variety electrum)
Very aerial leaf of Gold (electrum variety) crystals, very rich in silver (27% aprox.) and that have fine saw-like edges. We’ll send a copy of the analysis to the buyer of the sample.
R.J. Roberts lode, Willow Creek District, Pershing County, Nevada  USA (2015)
Specimen size: 2.3 × 1.5 × 0.6 cm = 0.91” × 0.59” × 0.24”
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TD98AL9: Gold (variety electrum)
Very aerial aggregate of lamellar Gold crystals (electrum variety), very rich in Silver, approximately 27%, with well defined edges and on a Quartz matrix. We will send a copy of the analysis to the buyer of the specimen.
R.J. Roberts lode, Willow Creek District, Pershing County, Nevada  USA (2015)
Specimen size: 2 × 1.6 × 1 cm = 0.79” × 0.63” × 0.39”
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TB98AC9: Gold (variety electrum)
A novelty at Tucson 2016. Aggregate very rich in silver (27% aprox.) leafy Gold crystals (electrum variety), with flat octahedral crystals in groups that resemble leaves. Its color is the classic "old gold" of electrum due to its Silver-rich composition.
R.J. Roberts lode, Willow Creek District, Pershing County, Nevada  USA (2015)
Specimen size: 1.7 × 1.3 × 1 cm = 0.67” × 0.51” × 0.39”
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TA30AC9: Gold (variety electrum)
A novelty at Tucson 2016. Aggregate very rich in silver (27% aprox.) leafy Gold crystals (electrum variety), with flat octahedral crystals in groups that resemble leaves. Its color is the classic "old gold" of electrum due to its Silver-rich composition.
R.J. Roberts lode, Willow Creek District, Pershing County, Nevada  USA (2015)
Specimen size: 2.1 × 2 × 0.8 cm = 0.83” × 0.79” × 0.31”

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Asia & Australia
Minerals		 Oliete Collection
The Oliete
Collection		 The Jan Buma Collections
The Jan Buma
Collections		 The James Catmur Collection
The James Catmur
Collections		 The Silvane Collection
The Silvane
Collection
The Pedro Goy Collection
The Pedro Goy
Collection		 The Desmond Sacco Collection
The Desmond Sacco
Collection		 Best Specimens
Best Specimens		 The Folch Collection
The Folch
Collection		 Home Page Minerals
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Minerals