Enstatite and Franklinite Optical Properties

Enstatite

Franklinite

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1 Optical Properties

1.1 Luster

Vitreous, Pearly

Not Available

1.2 Pleochroism

Pale green to pale orange

Not Available

1.3 Dispersion

NANA

0.007 1

1.4 Transparency

Transparent, Translucent

Translucent

1.5 Refractive Index

1.650-1.680Not Available

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

Orthorhombic

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

1.8 Birefringence

0.009-0.011Not Available

0 0.296

1.9 Clarity

Transparent

Translucent

Enstatite and Franklinite Optic Character

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

Similar to their colors, Enstatite 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, Enstatite is Translucent and Transparent while Enstatite is Translucent and Transparent in appearance.