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Mottramite
Mottramite

Fluorite
Fluorite



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Mottramite
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Fluorite

Mottramite and Fluorite Optical Properties

Optical Properties

Luster

Pleochroism

Dispersion

Transparency

Refractive Index

Optic Character

Crystal System

Birefringence

Clarity

 
Greasy
Visible X=Y= canary yellow to greenish yellow
0.04
-
2.170
-
Orthorhombic
0.150
-
 
Vitreous
-
0.01
Transparent, Translucent, Transparent to translucent
1.432-1.436
-
cubic
-9999
Transparent

Mottramite and Fluorite Optic Character

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

Mottramite and Fluorite Transparency

Similar to their colors, Mottramite and Fluorite 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, Mottramite is while Mottramite is in appearance.