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Kidwellite with Strengite

#PD33266

Kidwellite with Strengite

#PD33266
Availability
Sold
Size
1.5 x 2 x 1 cm - Thumbnail 
Formula
NaFe3+9(PO4)6(OH)11·3H2O (RRUFF)
Locality
Polk Co., Arkansas, United States
Tagged
phosphate

A wonderful thumbnail specimen with a singular spherical crystal aggregate of light purple Strengite to 1.5mm perfectly set in an open 1.5cm vug with Rockbridgeite and light green blobs of 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
Phillips Collection

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