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Franklinite
Franklinite

Larimar
Larimar



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Franklinite
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Larimar

Franklinite and Larimar Optical Properties

1 Optical Properties
1.1 Luster
Not Available
Not Available
1.2 Pleochroism
Not Available
Not Available
1.3 Dispersion
NANA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Translucent
Gemmological Tables (2004)
1.5 Refractive Index
Not Available1.595-1.645
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
monoclinic
1.8 Birefringence
Not Available0.032-0.038
Achroite
0 0.296
1.9 Clarity
Translucent
Gemmological Tables (2004)

Franklinite and Larimar Optic Character

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

Similar to their colors, Franklinite and Larimar 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.