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Mixed Minerals

Sunday, 21 February 2021 06:00 PM

Introducing the "Mixed Minerals" gallery which is part of our New Additions galleries. This gallery contains mineral specimens for sale including mimetite, natrolite, pectolite, pellyite, phurcalite, and polybasite and more from places like Mina Ojuela, Mapimi, Durango, Mexico, 3M quarry, Little Rock, Pulaski Co., Arkansas, United States, Jeffrey mine, Asbestos, Quebec, Canada, Esquire #8 claim, Big Creek, Fresno Co., California, United States, Merrivale quarry, Dartmoor, Devon, England, and Guanajuato, Guanajuato, Mexico.

SOLD

Mimetite

with Wulfenite - #AH52016

Details
Data
Provenance
Resources

Locality: Mina Ojuela, Mapimi, Durango, Mexico
Formula: Pb₅(AsO₄)₃Cl
Availability: Sold
Size: 10 x 7 x 6 cm - Cabinet
Tagged: arsenate

Greenish yellow sprays of Mimetite with sparse 1mm Wulfenite crystals.

Mimetite

Formula: Pb₅(AsO₄)₃Cl
Crystal System: Hexagonal
Crystal Habit: Reniform, Globular, Prismatic
Cleavage: Imperfect, None, None
Luster: Adamantine - Resinous
Color: white, yellow, orange, brown, red
Streak: white
Class: Hexagonal - Dipyramidal
Fracture: Brittle - Conchoidal
Hardness: 3.5-4

Collection: Arnold G Hampson Collection

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

SOLD

Natrolite

with Aegerine - #55149

Details
Data
Provenance
Resources

Locality: 3M quarry, Little Rock, Pulaski Co., Arkansas, United States
Formula: Na₂(Si₃Al₂)O₁₀·2H₂O
Availability: Sold
Size: 18 x 8 x 8 cm - Cabinet

Excellent and colorless crystals of Natrolite crystals to to 8mm with scattered Aegerine needles to 7mm. Very cool specimen.

Natrolite

Formula: Na₂(Si₃Al₂)O₁₀·2H₂O
Crystal System: Orthorhombic
Crystal Habit: Acicular, Prismatic, Nodular
Cleavage: Perfect, Imperfect, None
Luster: Vitreous - Silky
Color: white, colorless, red, yellowish white, reddish white
Streak: white
Class: Orthorhombic - Pyramidal
Fracture: Brittle
Hardness: 5.5-6

Collection: Don Owens Collection

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

SOLD

Pectolite

#55150

Details
Data
Provenance
Resources

Locality: Jeffrey mine, Asbestos, Quebec, Canada
Formula: NaCa₂Si₃O₈(OH)
Availability: Sold
Size: 19 x 9 x 6 cm - Cabinet

Sharp fibrous Pectolite in random and radial groups to 2cm. If you buy, please handle carefully as the crystals will easily penetrate your skin.

Pectolite

Formula: NaCa₂Si₃O₈(OH)
Crystal System: Triclinic
Crystal Habit: Acicular, Globular, Radial
Cleavage: Perfect, Perfect, None
Luster: Vitreous - Silky
Color: white, gray, light pink, light green
Streak: white
Class: Triclinic - Pinacoidal
Fracture: Splintery
Hardness: 5

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

SOLD

Pellyite

with Gillespite - #42235

Details
Data
Provenance
Resources

Locality: Esquire #8 claim, Big Creek, Fresno Co., California, United States
Formula: Ba₂CaFe²⁺₂Si₆O₁₇
Availability: Sold
Size: 5.5 x 1 x 2.5 cm - Sm Cabinet

Pellyite is one of the rarest minerals at Big Creek. It can be seen in the photos as glassy brown crystalline masses in a 3-6mm vein with Sanbornite and Quartz and minor grains of Gillespite.

Pellyite

Formula: Ba₂CaFe²⁺₂Si₆O₁₇
Crystal System: Orthorhombic
Crystal Habit: Massive
Cleavage: Indistinct, Indistinct, None
Luster: Vitreous (Glassy)
Color: colorless, light yellow
Streak: white
Class: Orthorhombic - Dipyramidal
Fracture: Conchoidal
Hardness: 6

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

SOLD

Phurcalite

#55151

Details
Data
Provenance
Resources

Locality: Merrivale quarry, Dartmoor, Devon, England
Formula: Ca₂(UO₂)₃O₂(PO₄)₂·7H₂O
Availability: Sold
Size: 8 x 8 x 4 cm - Sm Cabinet
Tagged: phosphate
Special Info: Radioactive!!

Tiny yellow acicular crystals across large face. Comes with a Richard Barstow label indicating that it is an "unknown yellow uranium mineral". zsee the prov tab for label.