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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 andersonite, arthurite, azurite, beryl, and boleite and more from places like Ambrosia Lake dist., McKinley Co., New Mexico, United States, Majuba Hill mine, Pershing Co., Nevada, United States, Tynagh mine, Killimor, Co., Galway, Ireland, Chivor mine, Boyaca dept., Colombia, Wah Wah Mts, Beaver Co., Utah, United States, and Amelia mine, Boleo, Santa Rosalia, Baja California, Mexico.

SOLD

Andersonite - 61821

Andersonite - 61821

Andersonite

#61821

Details
Data
Provenance
Resources

Locality: Ambrosia Lake dist., McKinley Co., New Mexico, United States
Formula: Na₂Ca(UO₂)(CO₃)₃·6H₂O
Availability: Sold
Size: Micromount
Tagged: carbonate

A crystal group of spheroidal Andersonite 4mm across exhibiting fluorescent yellow color under all lights.

Andersonite

Formula: Na₂Ca(UO₂)(CO₃)₃·6H₂O
Crystal System: Trigonal
Crystal Habit: Druse, Rhombohedral Crystals, Pseudo Cubic
Luster: Vitreous - Pearly
Color: bright yellow green, green
Class: Trigonal - Rhombohedral
Hardness: 2.5

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

SOLD

Arthurite - 61891

Arthurite - 61891

Arthurite

#61891

Details
Data
Provenance
Resources

Locality: Majuba Hill mine, Pershing Co., Nevada, United States
Formula: CuFe³⁺₂(AsO₄)₂(OH)₂·4H₂O
Availability: Sold
Size: Micromount
Tagged: arsenate , copper

Lime green Arthurite crystals less than 0.3mm.

Arthurite

Formula: CuFe³⁺₂(AsO₄)₂(OH)₂·4H₂O
Crystal System: Monoclinic
Crystal Habit: Prismatic, Acicular, Spherical
Cleavage: None, None, None
Luster: Vitreous (Glassy)
Color: apple green, emerald green
Streak: light green
Class: Monoclinic - Prismatic
Fracture: Brittle
Hardness: 3-4

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

SOLD

Azurite - 61892

Azurite - 61892

Azurite

with Malachite - #61892

Details
Data
Provenance
Resources

Locality: Tynagh mine, Killimor, Co., Galway, Ireland
Formula: Cu₃(CO₃)₂(OH)₂
Availability: Sold
Size: Micromount
Tagged: carbonate , copper

Lustrous Azurite with minor Malachite.

Azurite

Formula: Cu₃(CO₃)₂(OH)₂
Crystal System: Monoclinic
Crystal Habit: Tabular, Prismatic, Stalactitic
Cleavage: Perfect, Fair, None
Luster: Vitreous (Glassy)
Color: azure blue, blue, light blue, dark blue
Streak: light blue
Class: Monoclinic - Prismatic
Fracture: Brittle - Conchoidal
Hardness: 3.5-4

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

SOLD

Beryl - 61803

Beryl - 61803

Beryl

var. emerald - #61803

Details
Data
Provenance
Resources

Locality: Chivor mine, Boyaca dept., Colombia
Formula: Be₃Al₂Si₆O₁₈
Availability: Sold
Size: Micromount
Tagged: beryllium
Special Info: Gem Quality

Gemmy green doubly terminated crystal to 9mm.

Beryl

Formula: Be₃Al₂Si₆O₁₈
Crystal System: Hexagonal
Crystal Habit: Crystalline - Coarse, Prismatic, Columnar
Cleavage: Imperfect, None, None
Luster: Vitreous - Resinous
Color: green, blue, yellow, colorless, pink
Streak: white
Class: Hexagonal - Dihexagonal Dipyramidal
Fracture: Brittle - Conchoidal
Hardness: 7.5-8

Special Info: Gem Quality

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

SOLD

Beryl - 61804

Beryl - 61804

Beryl

var. red - #61804

Details
Data
Provenance
Resources

Locality: Wah Wah Mts, Beaver Co., Utah, United States
Formula: Be₃Al₂Si₆O₁₈
Availability: Sold
Size: Micromount
Tagged: beryllium

Professionally mounted red Beryl crystal 4mm across.

Beryl

Formula: Be₃Al₂Si₆O₁₈
Crystal System: Hexagonal
Crystal Habit: Crystalline - Coarse, Prismatic, Columnar
Cleavage: Imperfect, None, None
Luster: Vitreous - Resinous
Color: green, blue, yellow, colorless, pink
Streak: white
Class: Hexagonal - Dihexagonal Dipyramidal
Fracture: Brittle - Conchoidal
Hardness: 7.5-8

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

SOLD

Boleite - 61890

Boleite - 61890

Boleite

#61890

Details
Data
Provenance
Resources

Locality: Amelia mine, Boleo, Santa Rosalia, Baja California, Mexico
Formula: KAg₉Pb₂₆Cu₂₄Cl₆₂(OH)₄₈
Availability: Sold
Size: Micromount
Tagged: copper

A 5mm deep blue, cubic Boleite crystal.

Boleite

Formula: KAg₉Pb₂₆Cu₂₄Cl₆₂(OH)₄₈
Crystal System: Isometric
Crystal Habit: Pseudo Cubic
Cleavage: Perfect, Good, None
Luster: Vitreous - Pearly
Color: indigo blue, light blue
Streak: light green
Class: Isometric - Hexoctahedral
Fracture: Uneven
Hardness: 3-3.5

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

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