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Franklinite
Franklinite

Goshenite
Goshenite



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Franklinite
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Goshenite

Franklinite and Goshenite Optical Properties

1 Optical Properties
1.1 Luster
Not Available
Vitreous
1.2 Pleochroism
Not Available
Not Available
1.3 Dispersion
NA0.01
Fluorite Optical Properties
0.007 1
1.4 Transparency
Translucent
Transparent
1.5 Refractive Index
Not Available1.562-1.615
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
Hexagonal
1.8 Birefringence
Not Available0.003-0.010
Achroite
0 0.296
1.9 Clarity
Translucent
Transparent

Franklinite and Goshenite Optic Character

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

Similar to their colors, Franklinite and Goshenite 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.