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Mixed Minerals

Sunday, 19 February 2023 04:00 PM

Introducing the "Mixed Minerals" gallery which is part of our New Additions galleries. This gallery contains mineral specimens for sale including pentlandite, rouxelite, and topaz and more from places like Mount Keith mine, Mt. Keith, Western Austrialia, Australia, Monte Arsiccio mine, Stazzema, Lucca, Tuscany, Italy, and Ouro Preto, Minas Gerais, Brazil.

SOLD

Pentlandite - 61093

Pentlandite - 61093

Pentlandite

with Stichtite in drill core - #61093

Details
Data
Provenance
Resources

Locality: Mount Keith mine, Mt. Keith, Western Austrialia, Australia
Formula: (Ni,Fe)₉S₈
Availability: Sold
Size: 5.5 x 3.5 x 2 cm - Sm Cabinet
Tagged: sulfide , nickel

This is a portion of a drill core from a depth of 1,294ft. Brassy massive Pentlandite with purple Stichtite.

Pentlandite

Formula: (Ni,Fe)₉S₈
Crystal System: Isometric
Crystal Habit: Massive - Granular, Granular, Granular
Cleavage: Parting, None, None
Luster: Metallic
Color: bronze, brown
Streak: greenish black
Class: Isometric - Hexoctahedral
Fracture: Conchoidal
Hardness: 3.5-4

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

SOLD

Rouxelite - 60984

Rouxelite - 60984

Rouxelite

with Robinsonite - #60984

Details
Data
Provenance
Resources

Locality: Monte Arsiccio mine, Stazzema, Lucca, Tuscany, Italy
Formula: Cu₂HgPb₂₂Sb₂₈S₆₄(O,S)₂
Availability: Sold
Size: 5 x 2 x 1 cm - Miniature
Tagged: sulfide , copper

Silvery wide bladed Rouxelite with acicular Robinsonite. Very nice piece.

Rouxelite

Formula: Cu₂HgPb₂₂Sb₂₈S₆₄(O,S)₂
Crystal System: Monoclinic
Crystal Habit: Acicular
Cleavage: None, None, None
Luster: Metallic
Color: black
Class: Monoclinic - Prismatic
Hardness: -

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

Topaz - 61103

Topaz - 61103

Topaz

#61103

$50.00 - Available
Details
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Details
Data
Provenance
Resources

Locality: Ouro Preto, Minas Gerais, Brazil
Formula: Al₂SiO₄F₂
Availability: Available
Price: $50.00
Size: 2 x 1 x 1.3 cm - Thumbnail

Gemmy orange, terminated single crystal.

Topaz

Formula: Al₂SiO₄F₂
Crystal System: Orthorhombic
Crystal Habit: Crystalline - Coarse, Prismatic, Massive - Granular
Cleavage: Perfect, None, None
Luster: Vitreous (Glassy)
Color: colorless, pale blue, yellow, yellowish brown, red
Streak: white
Class: Orthorhombic - Dipyramidal
Fracture: Brittle - Uneven
Hardness: 8

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

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