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Rare Mineral Species

Monday, 25 November 2024 06:00 PM

Introducing the "Rare Mineral Species" gallery which is part of our New Additions galleries. This gallery contains mineral specimens for sale including uralolite, uranophane, vantasselite, veszelyite, vysotskite, and walfordite and more from places like Weinebene deposit, Weinebene, Koralpe, Carinthia, Austria, Madawaska Mine, Bancroft, Ontario, Canada, Bihain, Vielsalm, Stavelot Massif, Luxembourg, Belgium, Straitstep Vein, Wanlockhead, Scotland, Minneapolis adit, J-M Reef, Stillwater Co., Montana, United States, and Wendy pit, Tambo mine, Elqui, Coquimbo, Chile.

SOLD

Uralolite

#BN64927

Details
Data
Provenance
Resources

Locality: Weinebene deposit, Weinebene, Koralpe, Carinthia, Austria
Formula: Ca₂Be₄(PO₄)₃(OH)₃·5H₂O
Availability: Sold
Size: 2 x 1.5 x 1 cm - Thumbnail
Tagged: phosphate , beryllium , pegmatite mineral

White radiating sprays to 0.75mm.

Uralolite

Formula: Ca₂Be₄(PO₄)₃(OH)₃·5H₂O
Crystal System: Monoclinic
Crystal Habit: Concretionary, Radial, Wheat Sheaf
Cleavage: Poor, Poor, None
Luster: Subadamantine
Color: colorless, white, brownish white
Streak: white
Class: Monoclinic - Prismatic
Hardness: 2.5

Collection: Dr. Buford Nichols Collection

Mineralpedia: View Uralolite
On Dakota Matrix: Previously Sold Uralolite
On Dakota Matrix: Other Available Uralolite
WebMineral: View Uralolite
Mindat: View Uralolite

SOLD

Uranophane

#JD64951

Details
Data
Provenance
Resources

Locality: Madawaska Mine, Bancroft, Ontario, Canada
Formula: Ca(UO₂)₂(SiO₃OH)₂·5H₂O
Availability: Sold
Size: Micromount

An excellent specimen with sprays of yellow crystals to about 0.5mm.

Uranophane

Formula: Ca(UO₂)₂SiO₃(OH)₂*5(H₂O)
Crystal System: Monoclinic
Crystal Habit: Radial, Earthy, Massive - Fibrous
Cleavage: Perfect, None, None
Luster: Vitreous (Glassy)
Color: yellow, yellow brown, yellow green, yellow orange, light yellow
Streak: yellowish white
Class: Monoclinic - Sphenoidal
Fracture: Uneven
Hardness: 2.5

Collection: John Dagenais Collection

Mineralpedia: View Uranophane
On Dakota Matrix: Previously Sold Uranophane
On Dakota Matrix: Other Available Uranophane
WebMineral: View Uranophane
Mindat: View Uranophane

SOLD

Vantasselite

#BN64932

Details
Data
Provenance
Resources

Locality: Bihain, Vielsalm, Stavelot Massif, Luxembourg, Belgium
Formula: Al₄(PO₄)₃(OH)₃·9H₂O
Availability: Sold
Size: 1.2 x 1.3 x 0.4 cm - Thumbnail
Tagged: phosphate
Special Info: Type Locality

Colorless, bladed radiating crystals to 1.5mm.

Vantasselite

Formula: Al₄(PO₄)₃(OH)₃·9H₂O
Crystal System: Orthorhombic
Crystal Habit: Rosette
Cleavage: Good, None, None
Luster: Greasy (Oily)
Color: pearl white
Streak: white
Class: Orthorhombic
Hardness: 2-2.5

Collection: Dr. Buford Nichols Collection
Special Info: Type Locality

Mineralpedia: View Vantasselite
On Dakota Matrix: Previously Sold Vantasselite
On Dakota Matrix: Other Available Vantasselite
WebMineral: View Vantasselite
Mindat: View Vantasselite

SOLD

Veszelyite

#BN64928

Details
Data
Provenance
Resources

Locality: Straitstep Vein, Wanlockhead, Scotland
Formula: Cu²⁺₃PO₄(OH)₃·2H₂O
Availability: Sold
Size: 1.8 x 1.2 x 0.9 cm - Thumbnail
Tagged: phosphate , copper

Crystals of blue Veszelyite to about 0.75mm. Notable is the exact same blue of these crystals versus the Black Pine material.

Veszelyite

Formula: Cu²⁺₃PO₄(OH)₃·2H₂O
Crystal System: Monoclinic
Crystal Habit: Tabular, Equant Grains, Massive - Granular
Cleavage: Good, Good, None
Luster: Vitreous (Glassy)
Color: blue green, green, dark blue
Streak: blue
Class: Monoclinic - Prismatic
Hardness: 3.5-4

Collection: Dr. Buford Nichols Collection

Mineralpedia: View Veszelyite
On Dakota Matrix: Previously Sold Veszelyite
On Dakota Matrix: Other Available Veszelyite
WebMineral: View Veszelyite
Mindat: View Veszelyite

Vysotskite

#BAC64976

$225.00 - Available
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Details
Data
Provenance
Resources

Locality: Minneapolis adit, J-M Reef, Stillwater Co., Montana, United States
Formula: (Pd,Ni)S
Availability: Available
Price: $225.00
Size: 1 x 0.6 x 0.4 cm - Thumbnail
Tagged: sulfide , nickel

This specimen has been microprobed and is cut and polished on both sides for identification. There is a white streak, which is the Vysotskite. The metallic goldish material is Chalcopyrite. Specimens are extremely rare, although there are many localities but scoping and analyses is very tedious.