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Stichtite
Stichtite

Thulite
Thulite



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Stichtite
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Thulite

Stichtite and Thulite Optical Properties

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1 Optical Properties
1.1 Luster
Waxy, Resinous
Vitreous
1.2 Pleochroism
Weak
Present
1.3 Dispersion
NANA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Translucent
Opaque, Translucent, Opaque . May be translucent in thin backlit sections.
1.5 Refractive Index
1.516-1.5441.695
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Trigonal
Orthorhombic
1.8 Birefringence
0.0260.006-0.018
Achroite
0 0.296
1.9 Clarity
Translucent
OpaqueHerve Nicolas Lazzarelli

Stichtite and Thulite Optic Character

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

Stichtite and Thulite Transparency

Similar to their colors, Stichtite 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, Stichtite is Translucent while Stichtite is Translucent in appearance.