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Hydrophane
Hydrophane

Allanite
Allanite



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Hydrophane
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Allanite

Hydrophane and Allanite Optical Properties

1 Optical Properties
1.1 Luster
Not Available
Not Available
1.2 Pleochroism
AbsentWalter Schumann
Not Available
1.3 Dispersion
NANA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Transparent, Translucent
Not Available
1.5 Refractive Index
1.37-1.521
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 Available0.013-0.036
Achroite
0 0.296
1.9 Clarity
Transparent
Not Available

Hydrophane and Allanite Optic Character

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

Hydrophane and Allanite Transparency

Similar to their colors, Hydrophane and Allanite 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, Hydrophane is Translucent and Transparent while Hydrophane is Translucent and Transparent in appearance.