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Langbeinite
Langbeinite

Thulite
Thulite



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Langbeinite
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Thulite

Langbeinite and Thulite Optical Properties

1 Optical Properties
1.1 Luster
Vitreous
Vitreous
1.2 Pleochroism
Not Available
Present
1.3 Dispersion
NANA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Not Available
Opaque, Translucent, Opaque . May be translucent in thin backlit sections.
1.5 Refractive Index
1.5329-1.53471.695
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
cubic
Orthorhombic
1.8 Birefringence
Not Available0.006-0.018
Achroite
0 0.296
1.9 Clarity
Not Available
OpaqueHerve Nicolas Lazzarelli

Langbeinite and Thulite Optic Character

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

Langbeinite and Thulite Transparency

Similar to their colors, Langbeinite and Thulite 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, Langbeinite is Not Available while Langbeinite is Not Available in appearance.