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Datolite
Datolite

Topaz
Topaz



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Datolite and Topaz Optical Properties

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1 Optical Properties
1.1 Luster
Vitreous
Vitreous
1.2 Pleochroism
NilArthur Thomas
Weak
1.3 Dispersion
Albite Optical ..
0.02
Rank: 23 (Overall)
0.01
Rank: 26 (Overall)
Fluorite Optical Properties
1.4 Transparency
Transparent
Transparent
1.5 Refractive Index
1.621-1.675
1.606-1.644
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
monoclinic
Orthorhombic
1.8 Birefringence
0.044
0.008-0.011
1.9 Clarity
Transparent
TransparentUlrich Henn and Claudio C. Milisenda

Datolite and Topaz Optic Character

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

Similar to their colors, Datolite and Topaz 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.