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Forsterite
Forsterite

Piemontite
Piemontite



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Forsterite
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Piemontite

Forsterite and Piemontite Optical Properties

1 Optical Properties
1.1 Luster
Vitreous
Vitreous
1.2 Pleochroism
colorless.
visible
1.3 Dispersion
NANA
Fluorite Optical Properties
0.007 1
1.9 Transparency
Transparent
Not Available
1.10 Refractive Index
1.635-1.6711.725-1.756
Agate Opal
1 3.25
1.11 Optic Character
Not Available
Not Available
1.12 Crystal System
Orthorhombic
monoclinic
1.14 Birefringence
0.033-0.0420.025-0.076
Achroite
0 0.296
2.5 Clarity
Transparent
Not Available

Forsterite and Piemontite Optic Character

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

Similar to their colors, Forsterite and Piemontite 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.