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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 cyanotrichite, cyrilovite, diaboleite, duftite, francevillite, and gilalite and more from places like 3 Metals mine, Esmeralda Co., Nevada, United States, Iron Knob, South Australia, Australia, Mammoth mine, Tiger, Pinal Co., Arizona, United States, Mounana mine, Franceville, Haut-Ogooué, Gabon, and Christmas mine, Gila Co., Arizona, United States.

SOLD

Cyanotrichite

#61893

Details
Data
Provenance
Resources

Locality: 3 Metals mine, Esmeralda Co., Nevada, United States
Formula: Cu₄Al₂SO₄(OH)₁₂·2H₂O
Availability: Sold
Size: Micromount
Tagged: copper

Compact spheroidal Cyanotrichite with Chrysocolla.

Cyanotrichite

Formula: Cu₄Al₂SO₄(OH)₁₂·2H₂O
Crystal System: Orthorhombic
Crystal Habit: Druse, Acicular, Spherical
Cleavage: Good, None, None
Luster: Silky
Color: sky blue, light blue, dark blue
Streak: pale blue
Class: Orthorhombic
Fracture: Uneven
Hardness: 2

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

SOLD

Cyrilovite

#61808

Details
Data
Provenance
Resources

Locality: Iron Knob, South Australia, Australia
Formula: NaFe³⁺₃(PO₄)₂(OH)₄·2H₂O
Availability: Sold
Size: Micromount
Tagged: phosphate

Mustard yellow crystalline Cyrilovite.

Cyrilovite

Formula: NaFe³⁺₃(PO₄)₂(OH)₄·2H₂O
Crystal System: Tetragonal
Crystal Habit: Massive - Granular, Pseudo Cubic
Cleavage: None, None, None
Luster: Vitreous (Glassy)
Color: yellow, orange yellow, brown
Streak: yellow
Class: Tetragonal - Trapezohedral
Fracture: Uneven
Hardness: 4

On Dakota Matrix: Previously Sold Cyrilovite
On Dakota Matrix: Other Available Cyrilovite
WebMineral: View Cyrilovite
Mindat: View Cyrilovite

SOLD

Diaboleite

#61790

Details
Data
Provenance
Resources

Locality: Mammoth mine, Tiger, Pinal Co., Arizona, United States
Formula: CuPb₂Cl₂(OH)₄
Availability: Sold
Size: Micromount
Tagged: copper

The blue is stunning on this large (5x5mm) crystal of Diaboleite with overgrowths on the cube and several second generation crystals of Diaboleite. Overall it is 1.5 x 1.3cm.