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Apatite
Apatite

Antigorite
Antigorite



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Apatite
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Antigorite
Optical Properties

Luster

Pleochroism

Dispersion

Transparency

Refractive Index

Optic Character

Crystal System

Birefringence

Clarity

 
Vitreous
Blue stones – strong
0.01
-
1.628-1.651
-
Hexagonal
0.002-0.008
TransparentUlrich Henn and Claudio C. Milisenda
 
Waxy, Silky, Resinous, Greasy
pale greenish yellow
0.02
Translucent
1.530-1.575
-
Monoclinic Domatic H-M Symbol (m) Space Group: Cm
-9999
Translucent