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Franklinite
Franklinite

Stichtite
Stichtite



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Franklinite
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Stichtite

Franklinite and Stichtite Optical Properties

1 Optical Properties
1.1 Luster
Not Available
Waxy, Resinous
1.2 Pleochroism
Not Available
Weak
1.3 Dispersion
NANA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Translucent
Translucent
1.5 Refractive Index
Not Available1.516-1.544
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Isometric Hexoctahedral H-M Symbol (4/m 3 2/m) Space Group: F d3m
Trigonal
1.8 Birefringence
Not Available0.026
Achroite
0 0.296
1.9 Clarity
Translucent
Translucent

Franklinite and Stichtite Optic Character

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

Franklinite and Stichtite Transparency

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