Schultenite and Covellite Optical Properties

Schultenite

Covellite

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1 Optical Properties

1.1 Luster

Vitreous, Adamantine

Resinous

1.2 Pleochroism

Not Available

Marked

1.3 Dispersion

NANA

0.007 1

1.4 Transparency

TransparentAnthony et al, Handbook of mineralogy (2001)

OpaqueAnthony et al, Handbook of mineralogy (2001) More from other references

1.5 Refractive Index

1.890-1.9761.45-2.62

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

Not Available

Hexagonal

1.8 Birefringence

Not AvailableNot Available

0 0.296

1.9 Clarity

TransparentAnthony et al

OpaqueAnthony et al

Schultenite and Covellite Optic Character

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

Similar to their colors, Schultenite and Covellite 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.