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Lithiophilite with Dickinsonite

#DL59213

Lithiophilite with Dickinsonite

#DL59213
Availability
Sold
Size
8 x 6.5 x 5.5 cm - Sm Cabinet 
Formula
LiMn2+PO4 (RRUFF)
Locality
Anderson pegmatites, Homestead claim, White Picacho Mining dist., Yavapai Co., Arizona, United States
Tagged
phosphate , pegmatite mineral

This specimen is from the David London collection, author of "Pegmatites" published by the Canadian Mineralogist. London is regarded as the foremost expert on the often complex geology and mineralogy of pegmatites. As seen in the photos, this specimen was a sliced and thus used for study by London. The orange flesh-colored portions are the massive Lithiophilite and the light green grains are the Dickinsonite.

I purchased all of London's study specimen, many of which are illustrated in his book. These specimens will debut in an upcoming pegmatite special edition.

Lithiophilite

Formula
LiMn2+PO4 
Crystal System
Orthorhombic 
Crystal Habit
Prismatic 
Cleavage
Perfect, Very Good, Imperfect 
Luster
Vitreous - Resinous 
Color
brown, yellowish brown, salmon, brownish, blackish 
Streak
gray white 
Class
Orthorhombic - Dipyramidal 
Fracture
Conchoidal - Uneven 
Hardness
4-5 

Data courtesy of Webmineral.

Collection
Dr. David London Collection

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