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Hackmanite
Hackmanite

Peridot
Peridot



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Hackmanite
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Peridot

Hackmanite and Peridot Optical Properties

Optical Properties

Luster

Vitreous
Vitreous, Greasy

Pleochroism

-
Weak: yellow-green green (colorless)Herve Nicolas Lazzarelli

Dispersion

0.030.02
0.005 1
👆🏻

Transparency

-
Transparent

Refractive Index

1.483-1.4871.64-1.69
1 3.25
👆🏻

Optic Character

-
-

Crystal System

-
Orthorhombic

Birefringence

-99990.036
0 0.296
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Clarity

Transparent
Transparent

Hackmanite and Peridot Optic Character

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

Hackmanite and Peridot Transparency

Similar to their colors, Hackmanite and Peridot 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, Hackmanite is while Hackmanite is in appearance.