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Forsterite
Forsterite

Crocoite
Crocoite



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Forsterite
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Crocoite

Forsterite and Crocoite Optical Properties

1 Optical Properties
1.1 Luster
Vitreous
Adamantine
1.2 Pleochroism
colorless.
Distinctly trichroic
1.3 Dispersion
NANA
Fluorite Optical Properties
0.007 1
1.2 Transparency
Transparent
Transparent
1.3 Refractive Index
1.635-1.6712.31-2.66
Agate Opal
1 3.25
1.7 Optic Character
Not Available
Not Available
1.8 Crystal System
Orthorhombic
Monoclinic Prismatic H-M Symbol (2/m) Space Group: P 21/n
1.9 Birefringence
0.033-0.042Not Available
Achroite
0 0.296
1.13 Clarity
Transparent
Transparent

Forsterite and Crocoite Optic Character

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

Similar to their colors, Forsterite and Crocoite 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.