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Verdelite
Verdelite

Fayalite
Fayalite



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Verdelite
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Fayalite

Verdelite and Fayalite Optical Properties

1 Optical Properties
1.1 Luster
Not Available
Vitreous, Resinous
1.2 Pleochroism
Strong: dark green yellow
Faint
1.3 Dispersion
0.02NA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Transparent, Translucent
TransparentAnthony et al, Handbook of mineralogy (2001)
1.5 Refractive Index
1.614-1.6661.827-1.879
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Not Available
Orthorhombic
1.8 Birefringence
0.014-0.0400.042-0.051
Achroite
0 0.296
1.9 Clarity
Transparent
TransparentAnthony et al

Verdelite and Fayalite Optic Character

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

Verdelite and Fayalite Transparency

Similar to their colors, Verdelite and Fayalite 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, Verdelite is Translucent and Transparent while Verdelite is Translucent and Transparent in appearance.