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Mixed Minerals

Friday, 22 April 2022 06:00 PM

Introducing the "Mixed Minerals" gallery which is part of our New Additions galleries. This gallery contains mineral specimens for sale including ankerite, gold, raguinite, romeite, and sellaite and more from places like Niederschlema, Schlema dist., Erzgebirge, Saxony, Germany, Harvard mine, Jamestown, Tuolumne Co., California, United States, Allchar, Roszdan, Macedonia, Schneeberg dist., Erzgebirge, Saxony, Germany, and Fontsante mine, Tanneron, Var, Provence-Alpes-Côte d'Azur, France.

Ankerite

ps after Calcite - #BC52613

$175.00 - Available
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Locality: Niederschlema, Schlema dist., Erzgebirge, Saxony, Germany
Formula: CaFe²⁺(CO₃)₂
Availability: Available
Price: $175.00
Size: 10 x 6 x 2.5 cm - Cabinet
Tagged: carbonate

An attractive specimen with tiny white rhombic crystals of Ankerite which replaced Calcite. The black specks are Hematite. It comes with two Freiberg museum labels (prov. tab) from 1992 by the Barbara and the late, highly regarded Forrest Cureton, a friend of mine.

Ankerite

Formula: CaFe²⁺(CO₃)₂
Crystal System: Trigonal
Crystal Habit: Crystalline - Coarse, Massive, Granular
Cleavage: Perfect, Perfect, Perfect
Luster: Vitreous (Glassy)
Color: brown, brownish yellow, gray, gray brown, white
Streak: white
Class: Trigonal - Rhombohedral
Fracture: Sub Conchoidal
Hardness: 3.5-4

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

Gold

in Quartz - #58150

$1,250.00 - Available
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Locality: Harvard mine, Jamestown, Tuolumne Co., California, United States
Formula: Au
Availability: Available
Price: $1,250.00
Size: 1.8 x 2.2 x 2 cm - Thumbnail
Tagged: native element

Choice specimen from this classical locality, which has always produced fine specimens. This one has a large Gold leaf to 1.8cm perched perfectly on Quartz. Sadly this locality is done in it's present position.

Gold

Formula: Au
Crystal System: Isometric
Crystal Habit: Arborescent, Platy, Granular
Cleavage: None, None, None
Luster: Metallic
Color: yellow, pale yellow, orange, yellow white, reddish white
Streak: yellow
Class: Isometric - Hexoctahedral
Fracture: Hackly
Hardness: 2.5-3

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

Gold

#58153

$1,000.00 - Available
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Locality: Harvard mine, Jamestown, Tuolumne Co., California, United States
Formula: Au
Availability: Available
Price: $1,000.00
Size: 2.5 x 1 x 1 cm - Thumbnail
Tagged: native element

A fantastic specimen of vein Gold in leaf form. It's a very nice specimen from this classic Californai locality.

Gold

Formula: Au
Crystal System: Isometric
Crystal Habit: Arborescent, Platy, Granular
Cleavage: None, None, None
Luster: Metallic
Color: yellow, pale yellow, orange, yellow white, reddish white
Streak: yellow
Class: Isometric - Hexoctahedral
Fracture: Hackly
Hardness: 2.5-3

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

Raguinite

#58193

$295.00 - Available
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Locality: Allchar, Roszdan, Macedonia
Formula: TlFeS₂
Availability: Available
Price: $295.00
Size: 1 x 0.8 x 0.6 cm - Thumbnail
Tagged: sulfide
Special Info: Type Locality

A small specimen of mostly Reagar with tiny brownzy crystals near the arrow and to the right. with high magnification, you will see two excellent crystals and several much smaller. It is an exceptionally rare thalium sulfide found in four places worldwide.

Raguinite

Formula: TlFeS₂
Crystal System: Orthorhombic
Crystal Habit: Microscopic Crystals, Pseudo Hexagonal
Cleavage: None, None, None
Luster: Metallic
Color: bronze
Class: Orthorhombic
Hardness: -

Special Info: Type Locality

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

Romeite

var. schneebergite (Oxyplumboroméite) - #BC52615

$250.00 - Available
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Locality: Schneeberg dist., Erzgebirge, Saxony, Germany
Formula: Pb₂Sb2O₆O to (Ca,Na,◻)₂Sb₂⁵⁺(O,OH)₆F
Availability: Available
Price: $250.00
Size: 7 x 5 x 3 cm - Sm Cabinet
Special Info: Antique Specimen

Romeite is an old name, the new IMA mineral name is Oxyplumboroméite. It is basically a lead-antimony oxide. This is an antique specimen from the Vienna Museum. It carries an old label when they called is schneebergite (sse prov tab). The "Romeite" aka Oxyplumboroméite is in an area of 1 x 1.5cm and is a yellow pulverulent coating. It is associated with Sphalerite.