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Southeast US Phosphates

Thursday, 23 April 2020 08:00 PM

Introducing the "Southeast US Phosphates" gallery which is part of our Special Edition galleries. This gallery contains mineral specimens for sale including strengite, wavellite and more from places like Augusta Ridge, Cherokee Co., Alabama, United States, York mine, Polk Co., Arkansas, United States, Dug Hill, Avant, Garland Co., Arkansas, United States, Stuart Schmitt deposit, Dug Hill, Avant, Garland Co., Arkansas, United States.

SOLD

Strengite

#BN53061

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Data
Provenance
Resources

Locality: Augusta Ridge, Cherokee Co., Alabama, United States
Formula: Fe³⁺PO₄·2H₂O
Availability: Sold
Size: 5.5 x 4 x 1.5 cm - Sm Cabinet
Tagged: phosphate

This is an Alabama locality for Strengite. As you can see the individual hemispheres are huge, a whopping 5mm across and are a light purple color.

Strengite

Formula: Fe³⁺PO₄·2H₂O
Crystal System: Orthorhombic
Crystal Habit: Spherical, Radial, Botryoidal
Cleavage: Good, Poor, None
Luster: Vitreous (Glassy)
Color: colorless, pale violet, deep violet, red, carmine red
Streak: white
Class: Orthorhombic - Dipyramidal
Fracture: Brittle - Conchoidal
Hardness: 3.5

Collection: Dr. Buford Nichols Collection

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

SOLD

Strengite

with Cacoxenite, Beraunite & Kidwellite - #BN53074

Details
Data
Provenance
Resources

Locality: York mine, Polk Co., Arkansas, United States
Formula: Fe³⁺PO₄·2H₂O
Availability: Sold
Size: 10 x 9 x 7 cm - Cabinet
Tagged: phosphate

This is a larger cabinet specimen. The pair to this was sold on a previous update. This half is the better specimen. It features huge groups of prismatic purple Strengite in stellate habit, that is, radiating like a star and measures 2.5cm across. Gracing both sides of the Strengite are golden hair-like crystals of Cacoxenite.

Strengite

Formula: Fe³⁺PO₄·2H₂O
Crystal System: Orthorhombic
Crystal Habit: Spherical, Radial, Botryoidal
Cleavage: Good, Poor, None
Luster: Vitreous (Glassy)
Color: colorless, pale violet, deep violet, red, carmine red
Streak: white
Class: Orthorhombic - Dipyramidal
Fracture: Brittle - Conchoidal
Hardness: 3.5

Collection: Dr. Buford Nichols Collection

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

Wavellite

with Variscite - #WR53071

$225.00 - Available
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Provenance
Resources

Locality: Dug Hill, Avant, Garland Co., Arkansas, United States
Formula: Al₃(PO₄)₂(OH)₃·5H₂O
Availability: Available
Price: $225.00
Size: 8 x 8 x 4 cm - Sm Cabinet
Tagged: phosphate

Bright green sparkly crusts of Variscite with large hemispherical groups of Wavellite 8mm across. Lurking on the specimen are also bladed, colorless Strengite crystals in 2mm groups.

Wavellite

Formula: Al₃(PO₄)₂(OH)₃·5H₂O
Crystal System: Orthorhombic
Crystal Habit: Stellate, Radial, Stalactitic
Cleavage: Perfect, Good, None
Luster: Vitreous - Pearly
Color: blue, brown, brownish black, colorless, green
Streak: white
Class: Orthorhombic - Dipyramidal
Fracture: Fibrous
Hardness: 3.5-4

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

SOLD

Wavellite

#DO53078

Details
Data
Provenance
Resources

Locality: Stuart Schmitt deposit, Dug Hill, Avant, Garland Co., Arkansas, United States
Formula: Al₃(PO₄)₂(OH)₃·5H₂O
Availability: Sold
Size: 6 x 5 x 5 cm - Sm Cabinet
Tagged: phosphate

You might rank this Wavellite as exceptional once you hold it in your hand. The Wavellite cross-sections are a killer yellow to green. The largest is 1.3cm across.