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Fayalite
Fayalite

Stichtite
Stichtite



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Fayalite
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Stichtite

Fayalite and Stichtite Optical Properties

1 Optical Properties
1.1 Luster
Vitreous, Resinous
Waxy, Resinous
1.2 Pleochroism
Faint
Weak
1.3 Dispersion
NANA
Fluorite Optical Properties
0.007 1
1.4 Transparency
TransparentAnthony et al, Handbook of mineralogy (2001)
Translucent
1.5 Refractive Index
1.827-1.8791.516-1.544
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Orthorhombic
Trigonal
1.8 Birefringence
0.042-0.0510.026
Achroite
0 0.296
1.9 Clarity
TransparentAnthony et al
Translucent

Fayalite and Stichtite Optic Character

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

Fayalite and Stichtite Transparency

Similar to their colors, Fayalite and Stichtite 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, Fayalite is Handbook of mineralogy (2001) and TransparentAnthony et al while Fayalite is Handbook of mineralogy (2001) and TransparentAnthony et al in appearance.