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Fayalite
Fayalite

Rhodizite
Rhodizite



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Fayalite
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Rhodizite

Fayalite and Rhodizite Optical Properties

1 Optical Properties
1.1 Luster
Vitreous, Resinous
Adamantine
1.2 Pleochroism
Faint
Not Available
1.3 Dispersion
NANA
Fluorite Optical Properties
0.007 1
1.4 Transparency
TransparentAnthony et al, Handbook of mineralogy (2001)
Gemmological Tables (2004) More from other references
1.5 Refractive Index
1.827-1.8791.684-1.694
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Orthorhombic
Not Available
1.8 Birefringence
0.042-0.051Not Available
Achroite
0 0.296
1.9 Clarity
TransparentAnthony et al
TransparentUlrich Henn and Claudio C. Milisenda

Fayalite and Rhodizite Optic Character

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

Similar to their colors, Fayalite and Rhodizite 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.