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Anglesite
Anglesite

Mellite
Mellite



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Anglesite
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Mellite

Anglesite and Mellite Optical Properties

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Optical Properties

Luster

Adamantine
Vitreous

Pleochroism

-
Weak: yellowish brown yellowAnthony et al

Dispersion

0.040.01
0.005 1
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Transparency

Transparent
-

Refractive Index

1.877-1.8941.509-1.541
1 3.25
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Optic Character

-
-

Crystal System

Orthorhombic
-

Birefringence

0.0170.030
0 0.296
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Clarity

Transparent
TransparentUlrich Henn and Claudio C. Milisenda

Anglesite and Mellite Optic Character

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

Similar to their colors, Anglesite and Mellite 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.