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Poldervaartite
Poldervaartite

Pyrophyllite
Pyrophyllite



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Poldervaartite
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Pyrophyllite

Poldervaartite and Pyrophyllite Optical Properties

1 Optical Properties
1.1 Luster
Vitreous
Pearly
1.2 Pleochroism
Weak: colorless light gray bluish grayAnthony et al
NilArthur Thomas
1.3 Dispersion
NANA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Transparent
Translucent
1.5 Refractive Index
1.634-1.6561.534-1.601
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Not Available
Not Available
1.8 Birefringence
Not Available0.050
Achroite
0 0.296
1.9 Clarity
Transparent
Translucent

Poldervaartite and Pyrophyllite Optic Character

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

Poldervaartite and Pyrophyllite Transparency

Similar to their colors, Poldervaartite and Pyrophyllite 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, Poldervaartite is Transparent while Poldervaartite is Transparent in appearance.