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Franklinite
Franklinite

Chrysocolla
Chrysocolla



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Franklinite
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Chrysocolla

Franklinite and Chrysocolla Optical Properties

1 Optical Properties
1.1 Luster
Not Available
Vitreous, Greasy
1.2 Pleochroism
Not Available
AbsentWalter Schumann
1.3 Dispersion
NANone
Fluorite Optical Properties
0.007 1
1.4 Transparency
Translucent
Opaque
1.5 Refractive Index
Not Available1.460-1.570
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Isometric Hexoctahedral H-M Symbol (4/m 3 2/m) Space Group: F d3m
monoclinic
1.8 Birefringence
Not Available0.023-0.050
Achroite
0 0.296
1.9 Clarity
Translucent
Gemmological Tables (2004) More from other references

Franklinite and Chrysocolla Optic Character

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

Franklinite and Chrysocolla Transparency

Similar to their colors, Franklinite and Chrysocolla 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, Franklinite is Translucent while Franklinite is Translucent in appearance.