Titanite and Rock Crystal Optical Properties

Titanite

Rock Crystal

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1 Optical Properties

1.1 Luster

Subadamantine, Resinous

Not Available

1.2 Pleochroism

Strong: X = nearly colorless; Y = yellow to green; Z = red to yellow-orange

AbsentWalter Schumann

1.3 Dispersion

NA0.01

0.007 1

1.4 Transparency

Not Available

TransparentWalter Schumann, Gemstones of the world (2001) More from other references

1.5 Refractive Index

1.885-1.9901.544-1.553

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

monoclinic

Not Available

1.8 Birefringence

0.105-0.1350.009

0 0.296

1.9 Clarity

Not Available

TransparentWalter Schumann

Titanite and Rock Crystal Optic Character

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

Similar to their colors, Titanite and Rock Crystal 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 is Not Available while Titanite is Not Available in appearance.