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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 York mine, Polk Co., Arkansas, United States, Stuart Schmitt deposit, Dug Hill, Avant, Garland Co., Arkansas, United States.

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

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.