Titanite Sphene and Turquoise Optical Properties

Titanite Sphene

Turquoise

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1 Optical Properties

1.1 Luster

Not Available

Waxy

1.2 Pleochroism

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

Weak

1.3 Dispersion

0.05None

0.007 1

1.4 Transparency

Transparent, Translucent

Translucent, Opaque

1.5 Refractive Index

1.843-2.1101.610-1.650

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

Not Available

Triclinic

1.8 Birefringence

0.100-0.1920.040

0 0.296

1.9 Clarity

Transparent

Translucent

Titanite Sphene and Turquoise Optic Character

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

Compare Green Gemstones

Titanite Sphene Vs Unakite

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Titanite Sphene Vs Turquoise

Titanite Sphene and Turquoise Transparency

Similar to their colors, Titanite Sphene and Turquoise 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.