Fluorapatite and Schultenite Optical Properties

Fluorapatite

Schultenite

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1 Optical Properties

1.1 Luster

Vitreous, Resinous

Vitreous, Adamantine

1.2 Pleochroism

Weak to strong if coloreD

Not Available

1.3 Dispersion

NANA

0.007 1

1.4 Transparency

Transparent

TransparentAnthony et al, Handbook of mineralogy (2001)

1.5 Refractive Index

1.631-1.6501.890-1.976

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

Hexagonal

Not Available

1.8 Birefringence

Not AvailableNot Available

0 0.296

1.9 Clarity

Transparent

TransparentAnthony et al

Fluorapatite and Schultenite Optic Character

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

Similar to their colors, Fluorapatite and Schultenite 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, Fluorapatite is Transparent while Fluorapatite is Transparent in appearance.