Franklinite and Scorzalite Optical Properties

Franklinite

Scorzalite

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1 Optical Properties

1.1 Luster

Not Available

1.2 Pleochroism

Not Available

Colorless blueAnthony et al

1.3 Dispersion

NANA

0.007 1

1.4 Transparency

Translucent

Gemmological Tables (2004) More from other references

1.5 Refractive Index

Not Available1.639-1.680

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

Isometric Hexoctahedral H-M Symbol (4/m 3 2/m) Space Group: F d3m

Not Available

1.8 Birefringence

Not Available0.041

0 0.296

1.9 Clarity

Translucent

TransparentUlrich Henn and Claudio C. Milisenda

Franklinite and Scorzalite Optic Character

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

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Franklinite and Scorzalite Transparency

Similar to their colors, Franklinite and Scorzalite 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.