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Thulite
Thulite

Hydrophane
Hydrophane



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Thulite
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Hydrophane

Thulite and Hydrophane Optical Properties

1 Optical Properties
1.1 Luster
Vitreous
Not Available
1.2 Pleochroism
Present
AbsentWalter Schumann
1.3 Dispersion
NANA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Opaque, Translucent, Opaque . May be translucent in thin backlit sections.
Transparent, Translucent
1.5 Refractive Index
1.6951.37-1.52
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Orthorhombic
Not Available
1.8 Birefringence
0.006-0.018Not Available
Achroite
0 0.296
1.9 Clarity
OpaqueHerve Nicolas Lazzarelli
Transparent

Thulite and Hydrophane Optic Character

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

Thulite and Hydrophane Transparency

Similar to their colors, Thulite and Hydrophane 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, Thulite is Opaque, Opaque . May be translucent in thin backlit sections. and Translucent while Thulite is Opaque, Opaque . May be translucent in thin backlit sections. and Translucent in appearance.