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Frondelite

#PD40521

Frondelite

#PD40521
Availability
Sold
Size
3.5 x 2.5 x 2 cm - Miniature 
Formula
Mn2+Fe3+4(PO4)3(OH)5 (RRUFF)
Locality
Jacupiranga mine, Cajati, São Paulo, Brazil
Tagged
phosphate

Compact fibrous deep red platy crystal.

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
Phillips Collection

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