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Triphylite

#41599
SOLD
Triphylite from Tip Top mine, Custer Co., South Dakota, United States - 41599
Triphylite from Tip Top mine, Custer Co., South Dakota, United States - 41599

Triphylite

#41599
Availability
Sold
Size
4.5 x 4.5 x 4 cm - Miniature 
Formula
LiFe2+PO4 (RRUFF)
Locality
Tip Top mine, Custer Co., South Dakota, United States
Tagged
phosphate , pegmatite mineral

Cleaved mass of glassy, vitreous or greasy, translucent Triphylite. It looks rather pure and unaltered. Triphylite is the primary phase which is very susceptible to hydrothermal oxidation and is the host for most of the secondary phosphates from the Tip Top and many other pegmatites. 

 

Triphylite

Formula
LiFe2+PO4 
Crystal System
Orthorhombic 
Crystal Habit
Prismatic, Massive - Granular 
Cleavage
Perfect, Good, None 
Luster
Greasy (Oily) 
Color
gray, bluish gray, brownish, blackish 
Streak
grayish white 
Class
Orthorhombic - Dipyramidal 
Fracture
Uneven 
Hardness
4-5 

Data courtesy of Webmineral.

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