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Fayalite
Fayalite

Bloodstone
Bloodstone



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Fayalite
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Bloodstone

Fayalite and Bloodstone Optical Properties

Optical Properties

Luster

Pleochroism

Dispersion

Transparency

Refractive Index

Optic Character

Crystal System

Birefringence

Clarity

 
Vitreous, Resinous
Faint
0.03
TransparentAnthony et al
1.827-1.879
-
Orthorhombic
0.042-0.051
TransparentAnthony et al
 
Vitreous
-
0.01
Opaque
1.54-1.55
-
Trigonal
-9999
Opaque

Fayalite and Bloodstone Optic Character

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

Similar to their colors, Fayalite and Bloodstone 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 while Fayalite is in appearance.