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Datolite
Datolite

Gedrite
Gedrite



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Datolite
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Gedrite

Datolite and Gedrite Optical Properties

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Optical Properties

Luster

Vitreous
Vitreous

Pleochroism

-
Weak to moderate

Dispersion

0.020.02
0.005 1
👆🏻

Transparency

Transparent
Transparent

Refractive Index

1.621-1.6751.625-1.718
1 3.25
👆🏻

Optic Character

-
-

Crystal System

monoclinic
Orthorhombic Dipyramidal H-M Symbol (2/m 2/m 2/m) Space Group: P nma

Birefringence

0.044-9999
0 0.296
👆🏻

Clarity

Transparent
Transparent

Datolite and Gedrite Optic Character

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

Similar to their colors, Datolite and Gedrite 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.