Titanite Sphene and Bloodstone Heliotrope Optical Properties

Titanite Sphene

Bloodstone Heliotrope

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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;

Not Available

1.3 Dispersion

0.05NA

0.007 1

1.4 Transparency

Transparent, Translucent

Translucent

1.5 Refractive Index

1.843-2.1101.530-1.543

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

Not Available

1.8 Birefringence

0.100-0.1920.003-0.009

0 0.296

1.9 Clarity

Transparent

Translucent

Titanite Sphene and Bloodstone Heliotrope Optic Character

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

Similar to their colors, Titanite Sphene and Bloodstone Heliotrope 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.