Vlasovite and Friedelite Optical Properties

Vlasovite

Friedelite

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1 Optical Properties

1.1 Luster

Greasy, Vitreous, Pearly

Not Available

1.2 Pleochroism

(x): colorless. (y): colorless. (z): colorless.

NilArthur Thomas

1.3 Dispersion

NANA

0.007 1

1.4 Transparency

Not Available

Translucent

1.5 Refractive Index

1.6071.627-1.663

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

monoclinic

Monoclinic Prismatic H-M Symbol (2/m) Space Group: C 2/m

1.8 Birefringence

Not Available0.032-0.035

0 0.296

1.9 Clarity

Not Available

Translucent

Vlasovite and Friedelite Optic Character

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

Similar to their colors, Vlasovite and Friedelite 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, Vlasovite is Not Available while Vlasovite is Not Available in appearance.