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Narsarsukite
Narsarsukite

Fluorapatite
Fluorapatite



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Narsarsukite
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Fluorapatite
Optical Properties

Luster

Pleochroism

Dispersion

Transparency

Refractive Index

Optic Character

Crystal System

Birefringence

Clarity

 
Vitreous, Pearly
Weak; O = colorless to yellow; E = colorless to honey-yellow
0.02
Transparent, Translucent
1.610-1.647
-
tetragonal
0.021
Transparent
 
Vitreous, Resinous
Weak to strong if coloreD
0.03
Transparent
1.631-1.650
-
Hexagonal
-9999
Transparent