Tucson 2020 Update (2)

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


USA

Tremolite with Dolomite
Tremolite with Dolomite. Front
Front
Tremolite with Dolomite. Rear
Rear
 

TX14AL2: A novelty at Tucson 2020. Group of three doubly terminated Tremolite crystals, with very well defined faces and edges. The crystals, with a little white Dolomite matrix, have an intense luster between vitreous and silky, are much more transparent than usual in specimens from this area and are green-gray with bluish tints. From a very recent find, the quality is superior to that generally known in the St. Lawrence County area.
Big Mole claim, West Pierrepont, St. Lawrence County, New York  USA (06/2019)

Specimen size: 1.6 × 1.4 × 0.8 cm = 0.63” × 0.55” × 0.31”


minID: V7E-E45



Sold
Tremolite
 

TZ36AL2: A novelty at Tucson 2020. Floater doubly terminated Tremolite crystal, with sharp faces and edges and two distinct terminations, with rough faces, with an intense luster between vitreous and silky, and much more transparent than usual in specimens from this area. Green-gray color with bluish tints. From a very recent find, the quality is superior to that generally known in the St. Lawrence County area.
Big Mole claim, West Pierrepont, St. Lawrence County, New York  USA (06/2019)

Specimen size: 3.1 × 1.2 × 0.9 cm = 1.22” × 0.47” × 0.35”


minID: PYV-28N



Tremolite. Front
Front
Tremolite. Top
Top
Sold
Tremolite with Dolomite
Tremolite with Dolomite. Front
Front
Tremolite with Dolomite. Top
Top
Tremolite with Dolomite. Side
Side
Tremolite with Dolomite. Side
Side
 

TT46AL2: A novelty at Tucson 2020. Group of two doubly terminated Tremolite crystals with very well defined faces and edges. The crystals, with a little white Dolomite matrix, have an intense luster between vitreous and silky, are much more transparent than usual in specimens from this area and are green-gray with bluish tints. From a very recent find, the quality is superior to that generally known in the St. Lawrence County area.
Big Mole claim, West Pierrepont, St. Lawrence County, New York  USA (06/2019)

Specimen size: 2 × 1.8 × 1.5 cm = 0.79” × 0.71” × 0.59”


minID: XV7-MH3



Sold
Tremolite with Dolomite
 

TV46AL2: A novelty at Tucson 2020. Tremolite crystal, on a Dolomite matrix, with very well defined faces and edges, with a polycrystalline termination, an intense luster between vitreous and silky, translucent, but with greater transparency than usual in specimens from this area and of green-gray color with bluish tints. From a very recent find, the quality is superior to that generally known in the St. Lawrence County area.
Big Mole claim, West Pierrepont, St. Lawrence County, New York  USA (06/2019)

Specimen size: 7 × 2.1 × 1.8 cm = 2.76” × 0.83” × 0.71”


minID: KKG-2ED



Tremolite with Dolomite. Front
Front
Tremolite with Dolomite. Rear
Rear
Tremolite with Dolomite.
Sold
Tremolite with Dolomite
Tremolite with Dolomite. Front
Front
Tremolite with Dolomite. Rear
Rear
Tremolite with Dolomite.
 

TA37AL2: A novelty at Tucson 2020. Group of doubly terminated Tremolite crystals, one of them clearly dominant and doubly terminated, with sharp faces and edges. The crystals, partially covered with small white Dolomite rhombohedra, have an intense luster between vitreous and silky, are much more transparent than usual in specimens from this area and are green-gray in color with bluish tints. From a very recent find, the quality is superior to that generally known in the St. Lawrence County area.
The specimen has been reviewed, photographed and published as a novelty from Tucson 2020 in the Russian magazine ‘Mineral Observer’ on page 62 in the volume 25, number 2
Big Mole claim, West Pierrepont, St. Lawrence County, New York  USA (06/2019)

Specimen size: 3.3 × 3.2 × 2.2 cm = 1.30” × 1.26” × 0.87”


minID: N79-9TA



Sold
Tremolite with Dolomite
 

TC89AL2: A novelty at Tucson 2020. Doubly terminated floater Tremolite crystal, with very well defined faces and edges and with two different but sharp terminations, one with rough faces and the opposite end polycrystalline. The crystal, with small coatings of white Dolomite, is of unusually large size, with an intense luster between vitreous and silky, and much more transparent than usual in specimens from this area. Green-gray in color with bluish tints. From a very recent find, the quality is superior to that generally known in the St. Lawrence County area.
Big Mole claim, West Pierrepont, St. Lawrence County, New York  USA (06/2019)

Specimen size: 8.8 × 4.5 × 2.7 cm = 3.46” × 1.77” × 1.06”


minID: 3XD-LDR



Tremolite with Dolomite. Front
Front
Tremolite with Dolomite. Rear
Rear
Tremolite with Dolomite.
Sold
Rhodochrosite with Pyrite and Sphalerite
Rhodochrosite with Pyrite and Sphalerite. Rhodochrosite with Pyrite and Sphalerite.
 

ER70AL2: Rosette growths of outstanding lenticular crystals, deep pink in color. On Sphalerite matrix, with cubic Pyrite crystals. A classic of American mineralogy.
Eagle Mine, Gilman, Gilman District, Eagle County, Colorado  USA

Specimen size: 7.1 × 4.2 × 3.4 cm = 2.80” × 1.65” × 1.34”

Main crystal size: 1.3 × 0.9 cm = 0.51” × 0.35”


minID: U9F-8NE



Sold

MEXICO

Olivenite
 

TT49AL2: A novelty at Tucson 2020. Matrix group of outstanding Olivenite crystals, one of them clearly dominant, flattened, with very well defined faces and edges and perfect terminal faces, lustrous and very deep olive green. As on so many other occasions in Milpillas, among the best of the species.
The sample has been noted and photographed in the monograph 'The Milpillas Mine' of the ‘Mineralogical Record‘ magazine on page 608 in the volume 52, number 5, September-October 2021 and in the Russian magazine ‘Mineral Observer’ on page 58 in the volume 25, number 2

Milpillas Mine, level 992, Cuitaca, Municipio Santa Cruz, Sonora  Mexico (11-12/2019)

Specimen size: 1.9 × 1.4 × 1.3 cm = 0.75” × 0.55” × 0.51”

Main crystal size: 1.9 × 0.5 cm = 0.75” × 0.20”


minID: M26-VAM



Olivenite.
Sold
Olivenite
Olivenite. Front
Front
Olivenite. Side
Side
 

TV99AL2: A novelty at Tucson 2020. Group, on matrix, of highly profiled, flattened Olivenite crystals, some of them doubly terminated, with very well defined faces and edges and perfect terminal faces, lustrous and very deep olive green. As on so many other occasions in Milpillas, among the best of the species.
Milpillas Mine, level 992, Cuitaca, Municipio Santa Cruz, Sonora  Mexico (11-12/2019)

Specimen size: 2 × 1.6 × 1.2 cm = 0.79” × 0.63” × 0.47”

Main crystal size: 1.8 × 0.5 cm = 0.71” × 0.20”


minID: CE8-HLV



Sold
Olivenite
 

TX99AL2: A novelty at Tucson 2020. Two outstanding Olivenite crystals, flattened, with sharp faces and edges and perfect terminal faces, lustrous and very deep olive green. As on so many other occasions in Milpillas, the best for the species. As on so many other occasions in Milpillas, among the best of the species.
The specimen has been reviewed, photographed and published as a novelty from Tucson 2020 in the Russian magazine ‘Mineral Observer’ on page 58 in the volume 25, number 2

Milpillas Mine, level 992, Cuitaca, Municipio Santa Cruz, Sonora  Mexico (11-12/2019)

Specimen size: 1.9 × 1.8 × 0.9 cm = 0.75” × 0.71” × 0.35”

Main crystal size: 1.9 × 0.7 cm = 0.75” × 0.28”


minID: 2RA-5X3



Olivenite.
Sold
Olivenite
Olivenite. Front
Front
Olivenite. Rear
Rear
 

TA50AL2: A novelty at Tucson 2020. Two outstanding Olivenite crystals, one of them clearly dominant, flattened, with very well defined faces and edges and perfect terminations, lustrous and very deep olive green. As on so many other occasions in Milpillas, among the best of the species.
Milpillas Mine, level 992, Cuitaca, Municipio Santa Cruz, Sonora  Mexico (11-12/2019)

Specimen size: 1.8 × 0.9 × 0.6 cm = 0.71” × 0.35” × 0.24”


minID: T7J-NQJ



Sold
Olivenite with Quartz
 

TR92AL2: A novelty at Tucson 2020. Very aerial group, on matrix, of highly profiled, flattened, doubly terminated Olivenite crystals, with sharp faces and edges and perfect terminal faces, lustrous and with a very deep olive-green color. As on so many other occasions in Milpillas, among the best of the species.
The specimen has been reviewed, photographed and published as a new discovery in the magazine ‘Mineral Up’ on page 43 of the 2020/02 edition.
Milpillas Mine, level 992, Cuitaca, Municipio Santa Cruz, Sonora  Mexico (11-12/2019)

Specimen size: 3.3 × 2.6 × 2 cm = 1.30” × 1.02” × 0.79”

Main crystal size: 1.9 × 0.3 cm = 0.75” × 0.12”




Olivenite with Quartz. Front
Front
Olivenite with Quartz. Side
Side
Olivenite with Quartz.
Sold
Olivenite with Quartz
Olivenite with Quartz. Front
Front
Olivenite with Quartz. Side
Side
Olivenite with Quartz.
 

TT51AL2: A novelty at Tucson 2020. Matrix group of acicular Olivenite crystals with very well defined faces and edges, lustrous and very deep olive green. As on so many other occasions in Milpillas, among the best of the species.
Milpillas Mine, level 992, Cuitaca, Municipio Santa Cruz, Sonora  Mexico (11-12/2019)

Specimen size: 4.7 × 3 × 1.9 cm = 1.85” × 1.18” × 0.75”

Main crystal size: 0.4 × 0.1 cm = 0.16” × 0.04”


minID: 7UG-4T6



Sold
Olivenite

Fluorescent light (daylight)
 

TV87AL2: A novelty at Tucson 2020. Matrix group of acicular Olivenite crystals with very well defined faces and edges, lustrous and very deep olive green. As on so many other occasions in Milpillas, among the best of the species.
Milpillas Mine, level 992, Cuitaca, Municipio Santa Cruz, Sonora  Mexico (11-12/2019)

Specimen size: 7.7 × 6.6 × 2.4 cm = 3.03” × 2.60” × 0.94”

Main crystal size: 1.1 × 0.1 cm = 0.43” × 0.04”


minID: E0T-Y73



Olivenite. Olivenite.
Olivenite.
Creedite with Fluorite
Creedite with Fluorite. Front
Front
Creedite with Fluorite. Rear
Rear
Creedite with Fluorite.
 

TR99AL2: A novelty at Tucson 2020. Druse of short prismatic Creedite crystals, with very sharp and profiled terminal faces, with good luster and light violet, on matrix, with crystallized Fluorite in green and violet colors. The specimen is very different from those known from this locality in recent years, although there are similar specimens from this mine in an old collection, which coincides with the indications that this find came from old mine galleries.
The specimen has been reviewed, photographed and published as a novelty from Tucson 2020 in the Russian magazine ‘Mineral Observer’ on page 60 in the volume 25, number 2

Navidad Mine, Abasolo, Rodeo, Municipio de Rodeo, Durango  Mexico (10-12/2019)

Specimen size: 5.5 × 4.3 × 3.2 cm = 2.17” × 1.69” × 1.26”

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

Fluorite fluorescent long & short UV

minID: R6X-LY0



Sold
Shattuckite with Quartz and Chrysocolla
 

TB88AL2: A novelty at Tucson 2019. Spherulitic growths and felted aggregates of Shattuckite, with an intense deep color and encompassed in small Quartz crystals that protect them. On Quartz matrix, with Chrysocolla. We highlight, apart from the beauty of the specimen, the presence of crystallized Quartz, a very rare species in Milpillas. We will send the buyer a copy of the Shattuckite analysis.
Milpillas Mine, level 1100, Cuitaca, Municipio Santa Cruz, Sonora  Mexico (01/2019)

Specimen size: 5.3 × 3.9 × 2.1 cm = 2.09” × 1.54” × 0.83”

Main crystal size: 0.2 × 0.1 cm = 0.08” × 0.04”


minID: 5V8-6JQ



Shattuckite with Quartz and Chrysocolla. Shattuckite with Quartz and Chrysocolla.
Sold
Shattuckite with Quartz and Chrysocolla
Shattuckite with Quartz and Chrysocolla. Shattuckite with Quartz and Chrysocolla.
 

TR53AL2: A novelty at Tucson 2019. Spherulitic growths and felted aggregates of Shattuckite, with an extraordinarily intense and deep color, encompassed in small Quartz crystals that protect them. On Quartz matrix, with Chrysocolla. We highlight, apart from the beauty of the specimen, the presence of crystallized Quartz, a very rare species in Milpillas. We will send the buyer a copy of the Shattuckite analysis.
Milpillas Mine, level 1100, Cuitaca, Municipio Santa Cruz, Sonora  Mexico (01/2019)

Specimen size: 5.8 × 3.8 × 2.7 cm = 2.28” × 1.50” × 1.06”

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


minID: MM5-84A



Sold
Shattuckite with Quartz, Chrysocolla and Malachite
 

TV52AL2: A novelty at Tucson 2019. Spherulitic growths and felted aggregates of two generations of Shattuckite with different shades of blue, the second one more intense and deep, encompassed in small Quartz crystals that protect them. On Quartz matrix, with Chrysocolla and Malachite. We highlight, apart from the beauty of the specimen, the presence of crystallized Quartz, a very rare species in Milpillas. We will send the buyer a copy of the Shattuckite analysis.
Milpillas Mine, level 1100, Cuitaca, Municipio Santa Cruz, Sonora  Mexico (01/2019)

Specimen size: 8 × 5.3 × 3.8 cm = 3.15” × 2.09” × 1.50”

Main crystal size: 0.1 × 0.1 cm = 0.04” × 0.04”


minID: J2C-V9M



Shattuckite with Quartz, Chrysocolla and Malachite. Shattuckite with Quartz, Chrysocolla and Malachite.
Shattuckite with Quartz, Chrysocolla and Malachite.
Sold
Shattuckite with Quartz, Chrysocolla and Malachite
Shattuckite with Quartz, Chrysocolla and Malachite. Shattuckite with Quartz, Chrysocolla and Malachite.
 

TT52AL2: A novelty at Tucson 2019. Spherulitic growths and felted aggregates of Shattuckite, with an intense and deep color and encompassed in small Quartz crystals that protect them. On Quartz matrix, with Chrysocolla and Malachite. We highlight, apart from the beauty of the specimen, the presence of crystallized Quartz, a very rare species in Milpillas. We will send the buyer a copy of the Shattuckite analysis.
Milpillas Mine, level 1100, Cuitaca, Municipio Santa Cruz, Sonora  Mexico (01/2019)

Specimen size: 10.5 × 5.6 × 2.2 cm = 4.13” × 2.20” × 0.87”

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


minID: LKC-H4L



Sold

EUROPE (excl. Spain, Portugal and Romania)

Azurite with Malachite and Malachite after Cuprite
 

ED56AL2: Azurite nodule composed of sharp crystals of simple habits, with Malachite pseudomorphs after Azurite and small octahedral crystals of Malachite pseudomorphs after Cuprite. A French classic with sharper, more lustrous crystals than usual.
Chessy-les-Mines, Les Bois d'Oingt, Villefranche-sur-Saône, Rhône, Auvergne-Rhône-Alpes  France (1995-1998)

Specimen size: 4.5 × 2.7 × 2.6 cm = 1.77” × 1.06” × 1.02”

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

Type locality

minID: 8EE-HKV



Azurite with Malachite and Malachite after Cuprite. Azurite with Malachite and Malachite after Cuprite.
Sold

AFRICA (excl. Morocco)

Shattuckite with Malachite
Shattuckite with Malachite. Shattuckite with Malachite.
 

TR16AL2: Botryoidal coating of Shattuckite with a velvety appearance, on Quartz matrix and highlighting a centered aggregate of very good size sharp primary Malachite crystals.
Kandesei Mine, Kaokoveld Plateau, Kunene Region  Namibia

Specimen size: 8.2 × 6.2 × 4.8 cm = 3.23” × 2.44” × 1.89”

Main crystal size: 3.4 × 1 cm = 1.34” × 0.39”


minID: YRG-5VH



Sold

BRAZIL

Elbaite with Mica ('lepidolite')

Fluorescent light (daylight)
 

MR26AL2: Crystal with very well defined faces and edges, with perfect termination, clear and much richer in crystalline forms than usual. The crystal, transparent and with very good luster, is polychrome, with two very marked color zones, red at the base and green at the terminal zone, and is partially covered with small 'lepidolite' crystals. A beauty.
Pederneira claim, São José da Safira, Governador Valadares, Vale do Rio Doce, Minas Gerais  Brazil

Specimen size: 3.5 × 2 × 2 cm = 1.38” × 0.79” × 0.79”


minID: A60-927



Elbaite with Mica ('lepidolite'). Front
Front
Elbaite with Mica ('lepidolite'). Side
Side
Elbaite with Mica ('lepidolite'). Side
Side
Elbaite with Mica ('lepidolite'). Top
Top
Sold


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