×

Franklinite
Franklinite

Mimetite
Mimetite



ADD
Compare
X
Franklinite
X
Mimetite

Franklinite and Mimetite Optical Properties

1 Optical Properties
1.1 Luster
Not Available
Resinous, Subadamantine
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 Available2.106-2.263
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 Available0.019
Achroite
0 0.296
1.9 Clarity
Translucent
Translucent

Franklinite and Mimetite Optic Character

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

Similar to their colors, Franklinite and Mimetite 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.