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Anglesite
Anglesite

Spinel
Spinel



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Anglesite
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Spinel

Anglesite and Spinel Optical Properties

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Optical Properties

Luster

Adamantine
Vitreous

Pleochroism

-
Absent

Dispersion

0.040.02
0.005 1
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Transparency

Transparent
Transparent, Translucent, Transparent to translucent

Refractive Index

1.877-1.8941.73
1 3.25
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Optic Character

-
-

Crystal System

Orthorhombic
Isometric

Birefringence

0.017-9999
0 0.296
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Clarity

Transparent
TransparentUlrich Henn and Claudio C. Milisenda

Anglesite and Spinel Optic Character

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

Anglesite and Spinel Transparency

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