November 2021 Update

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Carles Curto Text: Carles Curto (formerly curator of the Geology Museum, Barcelona) & Jordi Fabre
Alfredo Petrov Translation: Alfredo Petrov
Assistance from John S. White (former Smithsonian curator) John S. White


BOB NOBLE THUMBNAIL COLLECTION

Austinite
Austinite. Austinite.
 

TMX16AN7: Globular growths of lenticular Austinite crystals, with sharp crystal forms and strong curvatures on the faces and edges, translucent, with a yellow-green color, on a limonite matrix.
We will ship the specimen in its original Perky box from the Robert J. Noble collection, which also contains the label.
Ojuela Mine, Mapimí, Municipio Mapimí, Durango  Mexico

Specimen size: 3.2 × 2.2 × 1.2 cm = 1.26” × 0.87” × 0.47”

Former collection of Bob Noble



Order
Pyrite
 

TML14AN7: Floater group with two very sharp Pyrite crystals, one of them clearly dominant and both very lustrous.
We will ship the specimen in its original Perky box from the Robert J. Noble collection, which also contains the label, which shows that it was previously in the Sullivan collection.
Ampliación a Victoria Mine, Navajún, Comarca Cervera, La Rioja  Spain

Specimen size: 2 × 1.4 × 1.3 cm = 0.79” × 0.55” × 0.51”

Former collection of Bob Noble



Pyrite. Pyrite.
Order
Franckeite
Franckeite. Franckeite.
 

TXL13AN7: Radiated groups of Franckeite crystals with a flattened prismatic habit, sharp, well defined and with good luster, associated with small elongated Zinkenite crystals.
We will ship this piece in its original Perky box from the Robert J. Noble collection, which also contains the label.
Itos Mine, Oruro City, Cercado Province, Oruro Department  Bolivia

Specimen size: 3.2 × 2.4 × 1.9 cm = 1.26” × 0.94” × 0.75”

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

Former collection of Bob Noble



Order

MOROCCO

Fluorite with Quartz and Pyrite

Recorded under neon light
 

NMA89AN7: Group of very sharp crystals of considerable size, between transparent and translucent, with good luster and a greenish yellow color. With coatings of white Quartz crystals and small aggregates of Pyrite crystals.
The specimen comes from the Miguel David Martínez collection (number 821), whose label we will send to the buyer.
El Hammam, Meknès, Meknès Prefecture, Drâa-Tafilalet Region  Morocco (1999)

Specimen size: 11.7 × 8.9 × 5.6 cm = 4.61” × 3.50” × 2.20”

Main crystal size: 5.7 × 4 cm = 2.24” × 1.57”

Fluorescent long & short UV

Former collection of Miguel David Martínez



Fluorite with Quartz and Pyrite. Fluorite with Quartz and Pyrite.
Order
Gold (spinel twin)
Gold (spinel twin). Front / Photo: Joaquim Callén
Front / Photo: Joaquim Callén
Gold (spinel twin). Rear / Photo: Joaquim Callén
Rear / Photo: Joaquim Callén

Recorded under neon light
 

EJT27AN7: A Gold with the dominant forms of the octahedron in highly stylized parallel growths, hopper growths and with distinct twinning according to the spinel law. The material has been carefully analyzed and we will send a copy of the analysis to the buyer.
This sample has been referenced and pictured, as a novelty in Munich 2021, in the magazine 'Le Règne Minéral' number 162, November-December 2021, page 21
Aouint Ighoman, Assa-Zag Province, Guelmim-Oued Noun Region  Morocco (09/2021)

Specimen size: 3.6 × 0.8 × 0.5 cm = 1.42” × 0.31” × 0.20”

With a copy of its analysis.

Weight: 3.9 grams

€2300 / US$2432 / ¥325880 / AUD$3414

Reservado

SOUTH AMERICA (excl. Brazil)

Rhodochrosite with Sphalerite and Quartz

Recorded under neon light
 

EFB27AN7: Spheroidal growths of very sharp lenticular rhombohedral Rhodochrosite crystals, with good luster and a more intense and vivid pink color than usual in specimens from this deposit. On matrix, with small aggregates of Sphalerite crystals and transparent Quartz crystals.
Austria Duvas Mine, Morococha District, Yauli Province, Junín Department  Peru (07/2021)

Specimen size: 6.7 × 4.7 × 4.1 cm = 2.64” × 1.85” × 1.61”




Rhodochrosite with Sphalerite and Quartz. Rhodochrosite with Sphalerite and Quartz.
Order
Rhodochrosite with Sphalerite and Quartz
Rhodochrosite with Sphalerite and Quartz. Rhodochrosite with Sphalerite and Quartz.

Recorded under neon light
 

EMR86AN7: Botryoidal growths of very sharp lenticular rhombohedral Rhodochrosite crystals, with good luster and a more intense and vivid pink color than usual in pieces from this deposit. With small water-clear crystals of Quartz, very lustrous, with Sphalerite.
Austria Duvas Mine, Morococha District, Yauli Province, Junín Department  Peru (07/2021)

Specimen size: 7.5 × 6.4 × 3.6 cm = 2.95” × 2.52” × 1.42”




Order
Rhodochrosite with Quartz and Sphalerite

Recorded under neon light
 

EBZ96AN7: Spheroidal growths of Rhodochrosite with an intense and uniform pink color, with water-clear and very lustrous Quartz crystals and aggregates of sharp, lustrous Sphalerite microcrystals.
Austria Duvas Mine, Morococha District, Yauli Province, Junín Department  Peru (07/2021)

Specimen size: 12 × 8.6 × 5.3 cm = 4.72” × 3.39” × 2.09”




Rhodochrosite with Quartz and Sphalerite. Front
Front
Rhodochrosite with Quartz and Sphalerite. Side
Side
Rhodochrosite with Quartz and Sphalerite. Rhodochrosite with Quartz and Sphalerite.
Order
Quartz (variety rose quartz)
Quartz (variety rose quartz). Quartz (variety rose quartz).

Recorded under neon light
 

EFM88AN7: A novelty in Tucson Virtual 2021. Unique fan growths, with three generations, the first being a larger crystal with a slightly smoky color visible on the back of the sample, a second, with crystals of good size and intense color, and a last phase, with smaller crystals, very sharp, translucent, with a very bright luster and an intense and uniform color. It should be noted that the color is not due to inclusions of iron oxides but is the intrinsic color of the quartz. Different from what has been seen so far from this locality.
Huancayo District, Huancayo Province, Junín Department  Peru (2021)

Specimen size: 6.2 × 4.6 × 2.6 cm = 2.44” × 1.81” × 1.02”




Order

CHINA

Chalcocite

Recorded under neon light
 

TGR14AN7: Stalactitic growths of Chalcocite covered by a thin film of Chalcopyrite, with dominant blue and magenta tones. The existing bibliography suggests that in some cases Chalcocite may be partially substituted by Djurleite.
Tongshankou Mine, Edong, Daye, Huangshi Prefecture, Hubei Province  China (2019)

Specimen size: 3.4 × 2.5 × 2.2 cm = 1.34” × 0.98” × 0.87”

Main crystal size: 0.7 × 0.3 cm = 0.28” × 0.12”




Chalcocite. Chalcocite.
Order
Malachite
Malachite. Front / Photo: Joaquim Callén
Front / Photo: Joaquim Callén
Malachite. Rear / Photo: Joaquim Callén
Rear / Photo: Joaquim Callén

Recorded under neon light
 

TMA66AN7: Botryoidal growths of very aesthetic Malachite shapes, with bands of different shades of green and an intense silky luster, which gives it a peculiar 'chatoyant' appearance.
Shilu Mine, Yangchun, Yangjiang Prefecture, Guangdong Province  China (±1995)

Specimen size: 8 × 4.5 × 2.7 cm = 3.15” × 1.77” × 1.06”




Order
Malachite

Recorded under neon light
 

TRM66AN7: Botryoidal growths of very aesthetic Malachite shapes, with bands of different shades of green and an intense silky luster, which gives it a peculiar 'chatoyant' appearance.
Shilu Mine, Yangchun, Yangjiang Prefecture, Guangdong Province  China (±1995)

Specimen size: 7.2 × 7 × 3.7 cm = 2.83” × 2.76” × 1.46”




Malachite. Front / Photo: Joaquim Callén
Front / Photo: Joaquim Callén
Malachite. Rear / Photo: Joaquim Callén
Rear / Photo: Joaquim Callén
Order
Malachite
Malachite. Front / Photo: Joaquim Callén
Front / Photo: Joaquim Callén
Malachite. Rear / Photo: Joaquim Callén
Rear / Photo: Joaquim Callén

Recorded under neon light
 

EEB94AN7: Botryoidal growths of very aesthetic Malachite shapes, with bands of different shades of green and an intense silky luster, which gives it a peculiar 'chatoyant' appearance.
This particular piece features a pareidolia phenomenon, simulating a group of human figures (or a pair of joined water bottles)
Shilu Mine, Yangchun, Yangjiang Prefecture, Guangdong Province  China (±1995)

Specimen size: 8.3 × 8 × 3.3 cm = 3.27” × 3.15” × 1.30”




Order

ASIA (excl. China)

Cavansite with Stilbite-Ca

Recorded under neon light
 

NNM49AN7: Very well defined spheroidal growth of small dipyramidal Cavansite crystals, with sharp crystal forms, centered on a basalt matrix covered by Stilbite-Ca crystals.
This piece comes from the Miguel David Martínez collection (number 711), whose label we will send to the buyer.
Wagholi Quarry, Wagholi, Pune District (Poonah District), Maharashtra  India (2004)

Specimen size: 8.4 × 5.6 × 4.2 cm = 3.31” × 2.20” × 1.65”

Main crystal size: 1.6 × 1.6 cm = 0.63” × 0.63”

Former collection of Miguel David Martínez



Cavansite with Stilbite-Ca. Front / Photo: Joaquim Callén
Front / Photo: Joaquim Callén
Cavansite with Stilbite-Ca. Detail / Photo: Joaquim Callén
Detail / Photo: Joaquim Callén
Order


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