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Pyrophyllite
Pyrophyllite

Sunstone
Sunstone



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Pyrophyllite
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Sunstone

Pyrophyllite and Sunstone Optical Properties

1 Optical Properties
1.1 Luster
Pearly
Vitreous
1.2 Pleochroism
NilArthur Thomas
Weak or absentWalter Schumann
1.3 Dispersion
NANone
Fluorite Optical Properties
0.007 1
1.4 Transparency
Translucent
Transparent, Translucent, Transparent to translucent
1.5 Refractive Index
1.534-1.6011.53-1.55
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Not Available
Triclinic
1.8 Birefringence
0.0500.007-0.010
Achroite
0 0.296
1.9 Clarity
Translucent
Transparent to translucent

Pyrophyllite and Sunstone Optic Character

Pyrophyllite and Sunstone optical properties play a significant role while distinguishing these gemstones from each other. These properties are influenced by the Pyrophyllite and Sunstone 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 Sunstone 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 Sunstone Transparency

Similar to their colors, Pyrophyllite and Sunstone 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.