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Datolite
Datolite

Hackmanite
Hackmanite



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Datolite
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Hackmanite

Datolite and Hackmanite Optical Properties

Optical Properties

Luster

Vitreous
Vitreous

Pleochroism

-
-

Dispersion

0.020.03
0.005 1
👆🏻

Transparency

Transparent
-

Refractive Index

1.621-1.6751.483-1.487
1 3.25
👆🏻

Optic Character

-
-

Crystal System

monoclinic
-

Birefringence

0.044-9999
0 0.296
👆🏻

Clarity

Transparent
Transparent

Datolite and Hackmanite Optic Character

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

Similar to their colors, Datolite and Hackmanite 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.