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Rare Tsumeb Mineral Specimens IV

Friday, 29 June 2018 07:00 PM

Introducing the "Rare Tsumeb Mineral Specimens IV" gallery which is part of our Special Edition galleries. This gallery contains mineral specimens for sale including dioptase, gartrellite, hidalgoite, krieselite, ludlockite, and malachite and more from places like Tsumeb mine, Tsumeb, Namibia.

SOLD

Dioptase

#46872

Details
Data
Provenance
Resources

Locality: Tsumeb mine, Tsumeb, Namibia
Formula: CuSiO₃·H₂O
Availability: Sold
Size: 6 x 4 x 3.5 cm - Sm Cabinet
Tagged: copper

Lustrous green Dioptase crystals to 1.3cm. Possibly associated with Minrecordite.

Dioptase

Formula: CuSiO₃·H₂O
Crystal System: Trigonal
Crystal Habit: Massive, Cryptocrystalline, Crystalline - Coarse
Cleavage: Good, None, None
Luster: Vitreous (Glassy)
Color: dark blue green, emerald green, turquoise
Streak: green
Class: Trigonal - Rhombohedral
Fracture: Conchoidal
Hardness: 5

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

SOLD

Gartrellite

with Olivenite - #PD49298

Details
Data
Provenance
Resources

Locality: Tsumeb mine, Tsumeb, Namibia
Formula: PbCuFe³⁺(AsO₄)₂(OH)·H₂O
Availability: Sold
Size: 3 x 2.5 x 1.5 cm - Thumbnail
Tagged: arsenate , copper
Special Info: Raman

Mustard yellow crystals of Gartrellite with Olivenite crystals to 2mm. Confirmed by Raman.

Gartrellite

Formula: PbCuFe³⁺(AsO₄)₂(OH)·H₂O
Crystal System: Triclinic
Crystal Habit: Encrustations
Luster: Earthy (Dull)
Color: greenish yellow, yellow
Streak: yellow
Class: Triclinic
Fracture: Friable
Hardness: 1-2

Collection: Don Phillips Collection
Special Info: Raman

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

SOLD

Hidalgoite

#PD49248

Details
Data
Provenance
Resources

Locality: Tsumeb mine, Tsumeb, Namibia
Formula: PbAl₃(SO₄)(AsO₄)(OH)₆
Availability: Sold
Size: 0.2 x 0.2 x 0.2 cm - Thumbnail
Tagged: arsenate

Micromount of yellowish Hidalgoite. Ex. Cureton minerals. Micromount!

Hidalgoite

Formula: PbAl₃(SO₄)(AsO₄)(OH)₆
Crystal System: Trigonal
Cleavage: None, None, None
Luster: Earthy (Dull)
Color: gray white, white, light green, light gray
Streak: white
Class: Trigonal - Hexagonal Scalenohedral
Fracture: Brittle - Conchoidal
Hardness: 4.5

Collection: Don Phillips Collection

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

SOLD

Krieselite

#49251

Details
Data
Provenance
Resources

Locality: Tsumeb mine, Tsumeb, Namibia
Formula: Al₂GeO₄(OH)₂
Availability: Sold
Size: 0.8 x 0.7 x 0.2 cm - Thumbnail
Special Info: Type & Only Locality

Krieselite is a relatively new rare mineral from Tsumeb containing germanium. This specimen has tiny snow white crystals of Krieselite in an area less than 0.5mm. Comes with a Georg Gebhard label which states it is from the 46 level of the mine. Tsumeb is the type and only locality for this very rare germanium mineral. Tennantite matrix, small chip less than 1cm.

Krieselite

Formula: Al₂GeO₄(OH)₂
Crystal System: Orthorhombic
Luster: Greasy (Oily)
Color: beige, white
Streak: white
Class: Orthorhombic - Dipyramidal
Hardness: -

Special Info: Type & Only Locality

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

SOLD

Ludlockite

with Leiteite - #48351

Details
Data
Provenance
Resources

Locality: Tsumeb mine, Tsumeb, Namibia
Formula: PbFe³⁺₄As³⁺₁₀O₂₂
Availability: Sold
Size: 4 x 2 x 1.8 cm - Miniature
Special Info: Type Locality

Not actually sold but returned to Amo

Exceptional specimen of flaming reddish orange fibrous Ludlockite with associated silky white to Leiteite. Ludlockite occurs in two forms on this specimen: one, as thin bundles and radiating groups and two, as this deep red needledles to 5mm.