Titanite Sphene and Clinochlore Optical Properties

Titanite Sphene

Clinochlore

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1 Optical Properties

1.1 Luster

Not Available

Pearly, Greasy

1.2 Pleochroism

Green stones strong trichroism: typically colorless greenish yellow brownish to yellow;

Distinct: light yellow-green to light bluE

1.3 Dispersion

0.05NA

0.007 1

1.4 Transparency

Transparent, Translucent

Transparent

1.5 Refractive Index

1.843-2.1101.571-1.597

1 3.25

1.6 Optic Character

Not Available

Biaxial/+

1.7 Crystal System

Not Available

Monoclinic Prismatic H-M Symbol (2/m) Space Group: C 2/m

1.8 Birefringence

0.100-0.192Not Available

0 0.296

1.9 Clarity

Transparent

Titanite Sphene and Clinochlore Optic Character

Titanite Sphene and Clinochlore optical properties play a significant role while distinguishing these gemstones from each other. These properties are influenced by the Titanite Sphene and Clinochlore 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 Titanite Sphene and Clinochlore 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. Clinochlore has Biaxial/+ character.

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Titanite Sphene and Clinochlore Transparency

Similar to their colors, Titanite Sphene and Clinochlore 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, Titanite Sphene is Translucent and Transparent while Titanite Sphene is Translucent and Transparent in appearance.