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Poldervaartite
Poldervaartite

Andesine
Andesine



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Poldervaartite
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Andesine

Poldervaartite and Andesine Optical Properties

1 Optical Properties
1.1 Luster
Vitreous
Vitreous
1.2 Pleochroism
Weak: colorless light gray bluish grayAnthony et al
colorless.
1.3 Dispersion
NA0.70
Fluorite Optical Properties
0.007 1
1.4 Transparency
Transparent
Transparent, Translucent, Transparent to translucent
1.5 Refractive Index
1.634-1.6561.543-1.564
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Biaxial/+
1.7 Crystal System
Not Available
Triclinic
1.8 Birefringence
Not Available0.007-0.011
Achroite
0 0.296
1.9 Clarity
Transparent
Transparent

Poldervaartite and Andesine Optic Character

Poldervaartite and Andesine optical properties play a significant role while distinguishing these gemstones from each other. These properties are influenced by the Poldervaartite and Andesine 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 Andesine 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. Andesine has Biaxial/+ character.

Poldervaartite and Andesine Transparency

Similar to their colors, Poldervaartite and Andesine 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.