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Frondelite with Strengite

#BM39694
SOLD
Frondelite from Sapucaia mine, Galileia, Doce valley, Minas Gerais, Brazil - BM39694
Frondelite from Sapucaia mine, Galileia, Doce valley, Minas Gerais, Brazil - BM39694

Frondelite with Strengite

#BM39694
Availability
Sold
Size
4 x 2 x 1.5 cm - Miniature 
Formula
Mn2+Fe3+4(PO4)3(OH)5 (RRUFF)
Locality
Sapucaia mine, Galileia, Doce valley, Minas Gerais, Brazil
Tagged
phosphate

Deep reddish brown divergent crystal groups embedded in altered phosphate matrix with purple Strengite crusts.

Frondelite

Formula
Mn2+Fe3+4(PO4)3(OH)5 
Crystal System
Orthorhombic 
Cleavage
Perfect, Distinct, Distinct 
Luster
Vitreous - Dull 
Color
brown, brown green, brownish black, green black, dark green 
Streak
brownish gray 
Class
Orthorhombic - Dipyramidal 
Fracture
Brittle - Uneven 
Hardness
4.5 

Data courtesy of Webmineral.

Collection
McConlogue Collection
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