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Elbaite
Elbaite

Poldervaartite
Poldervaartite



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Elbaite
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Poldervaartite

Elbaite and Poldervaartite Optical Properties

1 Optical Properties
1.1 Luster
Vitreous
Vitreous
1.2 Pleochroism
Pale green
Weak: colorless light gray bluish grayAnthony et al
1.3 Dispersion
0.02NA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Transparent
Transparent
1.5 Refractive Index
1.614-1.6661.634-1.656
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Trigonal
Not Available
1.8 Birefringence
0.014-0.032Not Available
Achroite
0 0.296
1.9 Clarity
Transparent
Transparent

Elbaite and Poldervaartite Optic Character

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

Elbaite and Poldervaartite Transparency

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