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Forsterite
Forsterite

Annabergite
Annabergite



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Forsterite
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Annabergite

Forsterite and Annabergite Optical Properties

1 Optical Properties
1.1 Luster
Vitreous
Subadamantine, Pearly
1.2 Pleochroism
colorless.
Not Available
1.3 Dispersion
NANA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Transparent
Not Available
1.5 Refractive Index
1.635-1.6711.622
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Orthorhombic
monoclinic
1.8 Birefringence
0.033-0.0420.065
Achroite
0 0.296
1.9 Clarity
Transparent
Not Available

Forsterite and Annabergite Optic Character

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

Similar to their colors, Forsterite and Annabergite 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.