Anglesite and Omphacite Optical Properties

Anglesite

Omphacite

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1 Optical Properties

1.1 Luster

Adamantine

Vitreous

1.2 Pleochroism

NilArthur Thomas

Weak: colorless -- very pale green -- very pale green

1.3 Dispersion

0.04NA

0.007 1

1.4 Transparency

Transparent

TranslucentAnthony et al, Handbook of mineralogy (2001)

1.5 Refractive Index

1.877-1.8941.662-1.723

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

Orthorhombic

Not Available

1.8 Birefringence

0.017Not Available

0 0.296

1.9 Clarity

Transparent

TranslucentAnthony et al

Anglesite and Omphacite Optic Character

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

Similar to their colors, Anglesite and Omphacite 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, Anglesite is Transparent while Anglesite is Transparent in appearance.