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Datolite
Datolite

Melanite
Melanite



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Datolite
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Melanite

Datolite and Melanite Optical Properties

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1 Optical Properties
1.1 Luster
Vitreous
Subadamantine, Vitreous
1.2 Pleochroism
NilArthur Thomas
Not Available
1.3 Dispersion
0.020.06
Fluorite Optical Properties
0.007 1
1.4 Transparency
Transparent
Translucent
1.5 Refractive Index
1.621-1.6751.855-1.895
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
monoclinic
Not Available
1.8 Birefringence
0.044Not Available
Achroite
0 0.296
1.9 Clarity
Transparent
Translucent

Datolite and Melanite Optic Character

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

Datolite and Melanite Transparency

Similar to their colors, Datolite 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, Datolite is Transparent while Datolite is Transparent in appearance.