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Colorado Plateau Minerals

Tuesday, 10 November 2020 06:00 PM

Introducing the "Colorado Plateau Minerals" gallery which is part of our Special Edition galleries. This gallery contains mineral specimens for sale including hewettite, melanovanadite, metazeunerite, navajoite, and paramontroseite and more from places like Cactus Rat mine, Grand Co., Utah, United States, Monument #2 mine, Apache Co., Arizona, United States, Worcester mine, Uravan dist., Montrose Co., Colorado, United States, Jomac mine, San Juan Co., Utah, United States, and West Sunday mine, San Miguel Co., Colorado, United States.

SOLD

Hewettite - AH54440

Hewettite - AH54440

Hewettite

#AH54440

Details
Data
Provenance
Resources

Locality: Cactus Rat mine, Grand Co., Utah, United States
Formula: CaV⁵⁺₆O₁₆·9H₂O
Availability: Sold
Size: 7 x 4 x 3 cm - Sm Cabinet
Tagged: vanadium

Flashy reddish Hewetitte crystals in conglomerate.

Hewettite

Formula: CaV⁵⁺₆O₁₆·9H₂O
Crystal System: Monoclinic
Crystal Habit: Acicular
Luster: Silky
Color: red
Streak: brownish red
Class: Monoclinic - Prismatic
Hardness: -

Collection: Arnold G Hampson Collection

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

SOLD

Hewettite - AH54462

Hewettite - AH54462

Hewettite

#AH54462

Details
Data
Provenance
Resources

Locality: Monument #2 mine, Apache Co., Arizona, United States
Formula: CaV⁵⁺₆O₁₆·9H₂O
Availability: Sold
Size: 8 x 5 x 2.5 cm - Sm Cabinet
Tagged: vanadium

Massive red Hewettite in sandstone matrix.

Hewettite

Formula: CaV⁵⁺₆O₁₆·9H₂O
Crystal System: Monoclinic
Crystal Habit: Acicular
Luster: Silky
Color: red
Streak: brownish red
Class: Monoclinic - Prismatic
Hardness: -

Collection: Arnold G Hampson Collection

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

SOLD

Melanovanadite - AH53930

Melanovanadite - AH53930

Melanovanadite

with Carnotite - #AH53930

Details
Data
Provenance
Resources

Locality: Worcester mine, Uravan dist., Montrose Co., Colorado, United States
Formula: CaV⁴⁺₂V⁵⁺₂O₁₀·5H₂O
Availability: Sold
Size: 6 x 6 x 3 cm - Sm Cabinet
Tagged: vanadium
Special Info: Radioactive!!

Black massive Melanovanadite with yellowish Carnotite.

Melanovanadite

Formula: CaV⁴⁺₂V⁵⁺₂O₁₀·5H₂O
Crystal System: Triclinic
Cleavage: Perfect, None, None
Luster: Sub Metallic
Color: black
Streak: dark red brown
Class: Triclinic - Pinacoidal
Fracture: Brittle
Hardness: 2.5

Collection: Arnold G Hampson Collection
Special Info: Radioactive!!

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

SOLD

Metazeunerite - AH54471

Metazeunerite - AH54471

Metazeunerite

#AH54471

Details
Data
Provenance
Resources

Locality: Jomac mine, San Juan Co., Utah, United States
Formula: Cu(UO₂)₂(AsO₄)₂·8H₂O
Availability: Sold
Size: 5.5 x 3.5 x 1.5 cm - Sm Cabinet
Tagged: copper

Pastel green square, tabular crystals to less than 0.3mm with good coverage.

Metazeunerite

Formula: Cu(UO₂)₂(AsO₄)₂·8H₂O
Crystal System: Tetragonal
Cleavage: Perfect, Distinct, None
Luster: Vitreous - Pearly
Color: green, grass green, emerald green
Streak: greenish white
Class: Tetragonal - Dipyramidal
Hardness: 2-2.5

Collection: Arnold G Hampson Collection

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

SOLD

Navajoite - 54485

Navajoite - 54485

Navajoite

#54485

Details
Data
Provenance
Resources

Locality: Monument #2 mine, Apache Co., Arizona, United States
Formula: (V⁵⁺,Fe³⁺)₁₀O₂₄·12H₂O
Availability: Sold
Size: 5 x 4.5 x 3 cm - Miniature
Tagged: vanadium
Special Info: Type Locality

Rusty red fibrous crystals with rich coverage. Excellent specimen.

Navajoite

Formula: (V⁵⁺,Fe³⁺)₁₀O₂₄·12H₂O
Crystal System: Monoclinic
Cleavage: None, None, None
Luster: Adamantine
Color: dark brown
Streak: brown
Class: Monoclinic - Prismatic
Hardness: 1.5

Special Info: Type Locality

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

SOLD

Paramontroseite - AH54456

Paramontroseite - AH54456

Paramontroseite

#AH54456

Details
Data
Provenance
Resources

Locality: West Sunday mine, San Miguel Co., Colorado, United States
Formula: VO₂
Availability: Sold
Size: 2 x 2 x 1 cm - Thumbnail
Tagged: vanadium

Black needles to about 0.75mm. It's a good piece with exceptional crystals.

Paramontroseite

Formula: VO₂
Crystal System: Orthorhombic
Cleavage: Good, None, None
Luster: Sub Metallic
Color: black
Streak: black
Class: Orthorhombic - Dipyramidal
Fracture: Brittle
Hardness: -

Collection: Arnold G Hampson Collection

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

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