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Micromounts

Friday, 30 June 2023 01:30 PM

Introducing the "Micromounts" gallery which is part of our Special Edition galleries. This gallery contains mineral specimens for sale including jeanbandyite, kleinite, liroconite, microlite, orpiment, and polybasite and more from places like Siglo Veinte mine, Llallagua, Bolivia, McDermitt mine, Humboldt Co., Nevada, United States, Cornwall, England, Rutherford mines, Amelia Co., Virginia, United States, Boron, Kern Co., California, United States, and Arizpe, Sonora, Mexico.

SOLD

Jeanbandyite

with Stannite - #61795

Details
Data
Provenance
Resources

Locality: Siglo Veinte mine, Llallagua, Bolivia
Formula: (Fe³⁺,Mn²⁺)Sn⁴⁺(OH,O)₆
Availability: Sold
Size: Micromount
Tagged: tin
Special Info: Type Locality

A choice specimen with dozens of Jeanbandyite crystals to ablut 0.3mm on Stannite.

Jeanbandyite

Formula: (Fe³⁺,Mn²⁺)Sn⁴⁺(OH,O)₆
Crystal System: Tetragonal
Crystal Habit: Crystalline - Coarse, Striated, Pseudo Octohedral
Cleavage: Good, Fair, None
Luster: Vitreous - Adamantine
Color: brown orange, red brown, pale yellow
Streak: light yellow
Class: Tetragonal - Dipyramidal
Hardness: 3.5

Special Info: Type Locality

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

SOLD

Kleinite

#61792

Details
Data
Provenance
Resources

Locality: McDermitt mine, Humboldt Co., Nevada, United States
Formula: Hg₂N(Cl,SO₄)·nH₂O
Availability: Sold
Size: Micromount

Orange, glassy Kleinite with several 1mm or so stubby crystals in the crevice not captured in photos. Personally, I have not seen crystals of Kleinite this nice. Very nice piece and well mounted. Overall 8 x 7mm.

Kleinite

Formula: Hg₂N(Cl,SO₄)·nH₂O
Crystal System: Hexagonal
Crystal Habit: Prismatic
Cleavage: Good, None, None
Luster: Adamantine
Color: yellow, orange
Streak: yellow
Class: Hexagonal - Dihexagonal Dipyramidal
Fracture: Brittle
Hardness: 3.5

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

SOLD

Liroconite

#61826

Details
Data
Provenance
Resources

Locality: Cornwall, England
Formula: Cu₂AlAsO₄(OH)₄·4H₂O
Availability: Sold
Size: Micromount
Tagged: arsenate , copper

Deep glassy blue crystals to 4mm with Quartz.

Liroconite

Formula: Cu₂AlAsO₄(OH)₄·4H₂O
Crystal System: Monoclinic
Crystal Habit: Euhedral Crystals, Granular
Cleavage: Indistinct, Indistinct, None
Luster: Vitreous - Resinous
Color: light blue, green, sky blue, verdigris green
Streak: light blue
Class: Monoclinic - Prismatic
Fracture: Sub Conchoidal
Hardness: 2-2.5

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

SOLD

Microlite

#61794

Details
Data
Provenance
Resources

Locality: Rutherford mines, Amelia Co., Virginia, United States
Formula: (Ca,Na)₂Ta₂(O,OH,F)₇
Availability: Sold
Size: Micromount
Tagged: pegmatite mineral

For the species, this Microlite crystal is large and measures 1.4 x 1.5cm. An excellent octahedral crystal nicely mounted and as seen in the photos can easily be removed out of the micromount box for photographing and study.