lithiophilite
Detailed sheet
lithiophilite
Its name comes from its composition of lithium and the Greek “philos” friend.
CHEMICAL CHARACTERISTICS
Li,Mn[PO4]
lithium and manganese phosphate
PHYSICAL CHARACTERISTICS
Main color
brown
Other colors
blue, yellow
Color of streak
white, grey
Luster
resinous, vitreous
Hardness
4.0 to 5.0
Density
3.40 to 3.60
Cleavage
perfect
Fracture
conchoidal, uneven
perfect
OPTICAL PROPERTIES
Transparency
translucent, transparent
Refractive index
1.680 - 1.700
Double refraction
0.010
weak, biaxial (+)
visible double refraction
No
Dispersion
+
Pleochroism
weak
Number of colors
3
pale pink, dark pink, yellow
Fluorescence
none
CRYSTALS PROPERTIES
often dipyramidal
crystals system
orthorhombic
OTHER INFORMATIONS
APPROACHING GEMS
Exploited
sites
It is found in Brazil (Moro do Ferro), Portugal, Austria, Canada, United States (in many states).
use in jewelry
it is cut in facets, it’s a collection stone
Other
Gems
Venez visitez
notre site web
voillot-joaillier.fr
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