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Melanite
Melanite

Anhydrite
Anhydrite



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Melanite
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Anhydrite

Melanite and Anhydrite Optical Properties

1 Optical Properties
1.1 Luster
Subadamantine, Vitreous
Pearly, Greasy
1.2 Pleochroism
Not Available
For violet varieties
1.3 Dispersion
0.060.01
Fluorite Optical Properties
0.007 1
1.4 Transparency
Translucent
Transparent
1.5 Refractive Index
1.855-1.8951.570-1.614
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Not Available
Orthorhombic
1.8 Birefringence
Not Available0.042-0.044
Achroite
0 0.296
1.9 Clarity
Translucent
Transparent

Melanite and Anhydrite Optic Character

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

Melanite and Anhydrite Transparency

Similar to their colors, Melanite and Anhydrite 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, Melanite is Translucent while Melanite is Translucent in appearance.