Schultenite and Spinel Optical Properties

Schultenite

Spinel

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1 Optical Properties

1.1 Luster

Vitreous, Adamantine

Vitreous

1.2 Pleochroism

Not Available

Absent

1.3 Dispersion

NA0.02

0.007 1

1.4 Transparency

TransparentAnthony et al, Handbook of mineralogy (2001)

Transparent, Translucent, Transparent to translucent

1.5 Refractive Index

1.890-1.9761.73

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

Not Available

Isometric

1.8 Birefringence

Not AvailableNot Available

0 0.296

1.9 Clarity

TransparentAnthony et al

TransparentUlrich Henn and Claudio C. Milisenda

Schultenite and Spinel Optic Character

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

Similar to their colors, Schultenite and Spinel 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, Schultenite is Handbook of mineralogy (2001) and TransparentAnthony et al while Schultenite is Handbook of mineralogy (2001) and TransparentAnthony et al in appearance.