Titanite and Apophyllite KF Optical Properties

Titanite

Apophyllite KF

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1 Optical Properties

1.1 Luster

Subadamantine, Resinous

Vitreous, Pearly

1.2 Pleochroism

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

Not Available

1.3 Dispersion

NANA

0.007 1

1.4 Transparency

Not Available

1.5 Refractive Index

1.885-1.9901.530-1.536

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

monoclinic

tetragonal

1.8 Birefringence

0.105-0.135Not Available

0 0.296

1.9 Clarity

Not Available

Titanite and Apophyllite KF Optic Character

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

Similar to their colors, Titanite and Apophyllite KF 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.