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Mexican Minerals

Tuesday, 24 March 2020 12:00 PM

Introducing the "Mexican Minerals" gallery which is part of our Special Edition galleries. This gallery contains mineral specimens for sale including calcite, conichalcite, creedite, descloizite, and gypsum and more from places like Santa Eulalia, Chihuahua, Mexico, Mina Ojuela, Mapimi, Durango, Mexico, Navidad mine, Abasolo, Rodeo, Durango, Mexico, Los Lamentos, Chihuahua, Mexico, and Naica, Mun. de Saucillo, Chihuahua, Mexico.

SOLD

Calcite

#AH52778

Details
Data
Provenance
Resources

Locality: Santa Eulalia, Chihuahua, Mexico
Formula: CaCO₃
Availability: Sold
Size: 13 x 10 x 7 cm - Cabinet

This is an interesting specimen of a Calcite cluster once called the "Mariposa" habit. These are scalenohedral crystals to 3cm some coated with a thin veneer of chocolate iron oxide. There is a second generation of colorless, complex Calcite on top of the aforementioned Calcite. A third generation can be seen as smalle 1-3mm Calcite crystals occupying the terminations of some of the crystals. Acquired by Hampson in 1971. These Calcites are rarely offered on the market these days. It is a classic for Mexico.

Calcite

Formula: CaCO₃
Crystal System: Trigonal
Crystal Habit: Crystalline - Coarse, Stalactitic, Massive
Cleavage: Perfect, Perfect, Perfect
Luster: Vitreous (Glassy)
Color: colorless, white, pink, yellow, brown
Streak: white
Class: Trigonal - Hexagonal Scalenohedral
Fracture: Brittle - Conchoidal
Hardness: 3

Collection: Arnold G Hampson Collection

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

SOLD

Calcite

#AH52779

Details
Data
Provenance
Resources

Locality: Mina Ojuela, Mapimi, Durango, Mexico
Formula: CaCO₃
Availability: Sold
Size: 14 x 8 x 9 cm - Cabinet
Tagged: carbonate

Amazing chocolate brown scalenohedral crystals to 3cm in a geode-like setting.

Calcite

Formula: CaCO₃
Crystal System: Trigonal
Crystal Habit: Crystalline - Coarse, Stalactitic, Massive
Cleavage: Perfect, Perfect, Perfect
Luster: Vitreous (Glassy)
Color: colorless, white, pink, yellow, brown
Streak: white
Class: Trigonal - Hexagonal Scalenohedral
Fracture: Brittle - Conchoidal
Hardness: 3

Collection: Arnold G Hampson Collection

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

SOLD

Conichalcite

#AH52755

Details
Data
Provenance
Resources

Locality: Mina Ojuela, Mapimi, Durango, Mexico
Formula: CaCuAsO₄(OH)
Availability: Sold
Size: 10 x 7 x 7 cm - Cabinet
Tagged: arsenate , copper

Bright green tiny clusters of Conichalcite with very good coverage on limonite matrix. Attractive specimen. There is nice Malachite and Calcite on the backside.

Conichalcite

Formula: CaCuAsO₄(OH)
Crystal System: Orthorhombic
Crystal Habit: Fibrous, Reniform, Massive
Cleavage: None, None, None
Luster: Vitreous - Greasy
Color: yellow green, emerald green
Streak: light green
Class: Orthorhombic - Disphenoidal
Fracture: Brittle - Uneven
Hardness: 4.5

Collection: Arnold G Hampson Collection

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

SOLD

Creedite

#BC52717

Details
Data
Provenance
Resources

Locality: Navidad mine, Abasolo, Rodeo, Durango, Mexico
Formula: Ca₃Al₂(SO₄)(OH)₂F₈·2H₂O
Availability: Sold
Size: 15 x 9 x 7 cm - Cabinet

Large, eye-catching orange Creedite with crystaols to over 1.5cm in three ball-like group. Very nice, showy, specimen for the cabinet.

Creedite

Formula: Ca₃Al₂(SO₄)(OH)₂F₈·2H₂O
Crystal System: Monoclinic
Crystal Habit: Granular, Radial, Prismatic
Cleavage: Perfect, None, None
Luster: Vitreous - Greasy
Color: colorless, violet, white
Streak: white
Class: Monoclinic - Prismatic
Fracture: Conchoidal
Hardness: 3.5

Collection: Barbara Cureton Collection

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

SOLD

Descloizite

#AH52752

Details
Data
Provenance
Resources

Locality: Los Lamentos, Chihuahua, Mexico
Formula: PbZnVO₄(OH)
Availability: Sold
Size: 8.5 x 6 x 5 cm - Sm Cabinet
Tagged: vanadium

Reddish brown rosettes of Desclozite covering entire specimen.

Descloizite

Formula: PbZnVO₄(OH)
Crystal System: Orthorhombic
Crystal Habit: Plumose, Tabular, Encrustations
Cleavage: None, None, None
Luster: Greasy (Oily)
Color: dark brownish black, dark reddish brown, orange red, reddish brown, black
Streak: light brownish green
Class: Orthorhombic - Dipyramidal
Fracture: Brittle
Hardness: 3.5