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Poldervaartite
Poldervaartite

Hexagonite
Hexagonite



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Poldervaartite
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Hexagonite

Poldervaartite and Hexagonite Optical Properties

1 Optical Properties
1.1 Luster
Vitreous
Vitreous
1.2 Pleochroism
Weak: colorless light gray bluish grayAnthony et al
bluish–red
1.3 Dispersion
NANA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Transparent
Transparent
1.5 Refractive Index
1.634-1.6561.599-1.637
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 Available0.019-0.028
Achroite
0 0.296
1.9 Clarity
Transparent
Transparent

Poldervaartite and Hexagonite Optic Character

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

Similar to their colors, Poldervaartite and Hexagonite 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.