Fire Agate and Franklinite Optical Properties

Fire Agate

Franklinite

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1 Optical Properties

1.1 Luster

Waxy, Vitreous, Greasy, Silky

Not Available

1.2 Pleochroism

AbsentWalter Schumann

Not Available

1.3 Dispersion

NoneNA

0.007 1

1.4 Transparency

Translucent

1.5 Refractive Index

1.530-1.543Not Available

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

Trigonal

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

1.8 Birefringence

0.003-0.009Not Available

0 0.296

1.9 Clarity

Translucent

Fire Agate and Franklinite Optic Character

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

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Fire Agate and Franklinite Transparency

Similar to their colors, Fire Agate 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, Fire Agate is Translucent while Fire Agate is Translucent in appearance.