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Forsterite
Forsterite

Melanite
Melanite



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Forsterite
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Melanite

Forsterite and Melanite Optical Properties

1 Optical Properties
1.1 Luster
Vitreous
Subadamantine, Vitreous
1.2 Pleochroism
colorless.
Not Available
1.3 Dispersion
NA0.06
Fluorite Optical Properties
0.007 1
1.4 Transparency
Transparent
Translucent
1.5 Refractive Index
1.635-1.6711.855-1.895
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Orthorhombic
Not Available
1.8 Birefringence
0.033-0.042Not Available
Achroite
0 0.296
1.9 Clarity
Transparent
Translucent

Forsterite and Melanite Optic Character

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

Forsterite and Melanite Transparency

Similar to their colors, Forsterite and Melanite 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, Forsterite is Transparent while Forsterite is Transparent in appearance.