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Mixed & Rare Minerals

Monday, 09 October 2023 08:00 AM

Introducing the "Mixed & Rare Minerals" gallery which is part of our New Additions galleries. This gallery contains mineral specimens for sale including chiavennite, dugganite, isokite, karibibite, paratellurite, and philipsburgite and more from places like Tuften, Tvedalen, Larvik, Vestfold, Norway, Empire mine, Tombstone, Cochise Co., Arizona, United States, Nkumbwa Hill Carbonatite, Isoka dist., Northern prov., Zambia, Oumlil mine, Bou Azzer dist., Morocco, Bambollita mine, Moctezuma, Sonora, Mexico, and Gold Hill mine, Tooele Co., Utah, United States.

SOLD

Chiavennite

#BAC62576

Details
Data
Provenance
Resources

Locality: Tuften, Tvedalen, Larvik, Vestfold, Norway
Formula: CaMn²⁺(BeOH)₂Si₅O₁₃·2H₂O
Availability: Sold
Size: 3 x 1.5 x 1.5 cm - Thumbnail
Tagged: beryllium

Rusty orange tufts of Chiavennite composed of very this plates. The individual crystals can be seen in the fourth photo. Chiavennite is a rather rare beryllium mineral.

Chiavennite

Formula: CaMn²⁺(BeOH)₂Si₅O₁₃·2H₂O
Crystal System: Orthorhombic
Cleavage: Perfect, None, None
Luster: Vitreous (Glassy)
Color: yellow, orange, red orange
Streak: white
Class: Orthorhombic - Dipyramidal
Hardness: 3

Collection: William & Anne Cook Collection

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

SOLD

Dugganite

#BAC62573

Details
Data
Provenance
Resources

Locality: Empire mine, Tombstone, Cochise Co., Arizona, United States
Formula: Pb₃Zn₃(TeO₆)(AsO₄)₂
Availability: Sold
Size: 3.5 x 2 x 2 cm - Miniature
Tagged: arsenate , tellurium

Bright green to grass green crystalline coatings on matrix. Rare.

Dugganite

Formula: Pb₃Zn₃(TeO₆)(AsO₄)₂
Crystal System: Hexagonal
Cleavage: Indistinct, None, None
Luster: Adamantine
Color: colorless, green, white
Streak: white
Class: Hexagonal - Dihexagonal Dipyramidal
Fracture: Brittle
Hardness: 3

Collection: William & Anne Cook Collection

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

SOLD

Isokite

#BAC62578

Details
Data
Provenance
Resources

Locality: Nkumbwa Hill Carbonatite, Isoka dist., Northern prov., Zambia
Formula: CaMgPO₄F
Availability: Sold
Size: 2.5 x 2 x 1 cm - Thumbnail
Tagged: phosphate
Special Info: Type Locality

Massive reddish brown Isokite with unknow white mineral.

Isokite

Formula: CaMgPO₄F
Crystal System: Monoclinic
Crystal Habit: Massive - Granular
Cleavage: Perfect, None, None
Luster: Silky - Pearly
Color: colorless, gray pink, pink
Streak: white
Class: Monoclinic - Prismatic
Hardness: 5

Collection: William & Anne Cook Collection
Special Info: Type Locality

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

SOLD

Karibibite

#BAC62570

Details
Data
Provenance
Resources

Locality: Oumlil mine, Bou Azzer dist., Morocco
Formula: Fe³⁺₂As³⁺₄O₉
Availability: Sold
Size: 3 x 2.5 x 2 cm - Thumbnail
Tagged: arsenate

Stunning orange fibrous crystals.

Karibibite

Formula: Fe³⁺₂As³⁺₄O₉
Crystal System: Orthorhombic
Crystal Habit: Fibrous
Color: brownish yellow
Streak: light yellow
Class: Orthorhombic
Hardness: 1-2

Collection: William & Anne Cook Collection

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

SOLD

Paratellurite

with Tellurite - #BAC62559

Details
Data
Provenance
Resources

Locality: Bambollita mine, Moctezuma, Sonora, Mexico
Formula: TeO₂
Availability: Sold
Size: 3 x 2.5 x 3 cm - Thumbnail
Tagged: tellurium

Creamy yellow, nearly opaque crystals of Paratellurite measuring 3mm in a dense grouping 2cm across. Associated is minor Tellurite and possible Spiroffite. It should be noted that neither Paratellurite and Tellurite has not been reported from Bambollita. The specimen comes with a Cureton Mineral Company label, which may be in error.