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Pyrophyllite
Pyrophyllite

Amazonite
Amazonite



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Pyrophyllite
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Amazonite

Pyrophyllite and Amazonite Optical Properties

1 Optical Properties
1.1 Luster
Pearly
Vitreous
1.2 Pleochroism
NilArthur Thomas
WeakMichael O’Donoghue
1.3 Dispersion
NANA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Translucent
Translucent, Translucent to opaque
1.5 Refractive Index
1.534-1.6011.522-1.530
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Not Available
Triclinic
1.8 Birefringence
0.0500.008-0.010
Achroite
0 0.296
1.9 Clarity
Translucent
Translucent

Pyrophyllite and Amazonite Optic Character

Pyrophyllite and Amazonite optical properties play a significant role while distinguishing these gemstones from each other. These properties are influenced by the Pyrophyllite and Amazonite Physical Properties like crystallographic symmetry, pleochroism,etc. in the crystal. Some of the optical properties are refractive index, luster, optic character, pleochroism etc. Prominent among these is Pyrophyllite and Amazonite optic character. You might have noticed your gemologist rotating the gemstone while testing it. Rotating a gemstone along its optic axis helps in determining its optic character.

Pyrophyllite and Amazonite Transparency

Similar to their colors, Pyrophyllite and Amazonite transparency can also be used as criteria for their primary identification. Although transparency cannot be the only criteria for gemstone identification, it can efficiently used in gemstone grading. Talking about their transparency, Pyrophyllite is Translucent while Pyrophyllite is Translucent in appearance.