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Forsterite
Forsterite

Hackmanite
Hackmanite



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Forsterite
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Hackmanite

Forsterite and Hackmanite Optical Properties

1 Optical Properties
1.1 Luster
Vitreous
Vitreous
1.2 Pleochroism
colorless.
Not Available
1.3 Dispersion
NANA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Transparent
Gemmological Tables (2004)
1.5 Refractive Index
1.635-1.6711.483-1.487
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Orthorhombic
Not Available
1.8 Birefringence
0.033-0.042Not Available
Achroite
0 0.296
1.9 Clarity
Transparent
Transparent

Forsterite and Hackmanite Optic Character

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

Forsterite and Hackmanite Transparency

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