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Rare Minerals for Sale

Saturday, 23 November 2019 04:00 PM

Introducing the "Rare Minerals for Sale" gallery which is part of our New Additions galleries. This gallery contains mineral specimens for sale including hubeite, khinite, kingsmountite, leucophosphite, linarite, and lorenzenite and more from places like Fengjiashan mine, Huangshi, Hubei, China, Empire mine, Tombstone, Cochise Co., Arizona, United States, Foote mine, Cleveland Co., North Carolina, United States, Tip Top mine, Custer Co., South Dakota, United States, Mex-Tex mine, Bingham, Socorro Co., New Mexico, United States, and Point of Rocks quarry, Colfax Co., New Mexico, United States.

SOLD

Hubeite

with Inesite - #AH51847

Details
Data
Provenance
Resources

Locality: Fengjiashan mine, Huangshi, Hubei, China
Formula: Ca₂Mn²⁺Fe³⁺Si₄O₁₂(OH)·2H₂O
Availability: Sold
Size: 2.5 x 2 x 1 cm - Thumbnail

A relatively new IMA approved mineral featuring dark root beer colored crystals of Hubeite to 3mm with minor pink bladed Inestie.

Hubeite

Formula: Ca₂Mn²⁺Fe³⁺Si₄O₁₂(OH)·2H₂O
Crystal System: Triclinic
Crystal Habit: Radial, Rosette, Aggregates
Cleavage: Good, None, None
Luster: Vitreous (Glassy)
Color: dark brown, light brown
Streak: pale orange brown
Class: Triclinic - Pinacoidal
Fracture: Brittle - Conchoidal
Hardness: 5.5

Collection: Arnold G Hampson Collection

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

SOLD

Khinite

with Dugganite - #51792

Details
Data
Provenance
Resources

Locality: Empire mine, Tombstone, Cochise Co., Arizona, United States
Formula: Cu²⁺₃PbTe⁶⁺O₆(OH)₂
Availability: Sold
Size: 2.1 x 1.4 x 1.3 cm - Thumbnail
Tagged: copper , tellurium

Tiny emerald platy crystals of Khinite in tiny vugs with most of the matrix covered by green Dugganite. Verified by Raman.

Khinite

Formula: Cu²⁺₃PbTe⁶⁺O₆(OH)₂
Crystal System: Orthorhombic
Cleavage: Distinct, None, None
Luster: Adamantine
Color: dark green
Streak: green
Class: Orthorhombic - Dipyramidal
Fracture: Brittle
Hardness: 3.5

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

SOLD

Kingsmountite

#AH51791

Details
Data
Provenance
Resources

Locality: Foote mine, Cleveland Co., North Carolina, United States
Formula: Ca₄Fe²⁺Al₄(PO₄)₆(OH)₄·12H₂O
Availability: Sold
Size: 3.0 x 2.5 x 1.5 cm - Thumbnail
Tagged: phosphate , pegmatite mineral
Special Info: Type Locality

Radial groups to 0.75mm of white or colorless Kingsmountite crystals.

Kingmountite crystals are much like Montgomeryite both of which form lath-like crystals with a sloping terminations. It is in fact isostructural with Montgomeryite and both are members of the Calcioferrite group. It is also the iron analogue of Montgomeryite and is usually white and sometimes light pink. The best specimens are probably from Hagendorf, although many fine specimens have been collected at Foote. It is primarily a mineral which forms in pegmatites, although has occured in bat caves and hydrothermal altered phosphate rich sedimentary deposits This can be considered a good specimen with both good coverage and crystal groups.