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Bloodstone
Bloodstone

Franklinite
Franklinite



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Bloodstone
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Franklinite

Bloodstone and Franklinite Optical Properties

1 Optical Properties
1.1 Luster
Vitreous
Not Available
1.2 Pleochroism
Not Available
Not Available
1.3 Dispersion
NANA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Opaque
Translucent
1.5 Refractive Index
1.54-1.55Not Available
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Trigonal
Isometric Hexoctahedral H-M Symbol (4/m 3 2/m) Space Group: F d3m
1.8 Birefringence
Not AvailableNot Available
Achroite
0 0.296
1.9 Clarity
Opaque
Translucent

Bloodstone and Franklinite Optic Character

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

Bloodstone and Franklinite Transparency

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