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Kidwellite on Beraunite

#BN48033

Kidwellite on Beraunite

#BN48033
Availability
Sold
Size
5.5 x 3 x 3 cm - Sm Cabinet 
Formula
NaFe3+9(PO4)6(OH)11·3H2O (RRUFF)
Locality
Three Oaks Gap, Polk Co., Arkansas, United States
Tagged
phosphate

Superb specimen of deep red plates of Beraunite with a partial covering of green gobular Kidwellite.

Kidwellite

Formula
NaFe3+9(PO4)6(OH)11·3H2
Crystal System
Monoclinic 
Crystal Habit
Fibrous, Columnar 
Cleavage
Perfect, None, None 
Luster
Silky 
Color
greenish yellow, greenish white, yellow, light green 
Streak
yellow 
Class
Monoclinic - Prismatic 
Hardness

Data courtesy of Webmineral.

Collection
Dr. Buford Nichols Collection

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