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Albite
Albite

Proustite
Proustite



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Albite
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Proustite

Albite and Proustite Optical Properties

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1 Optical Properties
1.1 Luster
Vitreous, Pearly
Adamantine
1.2 Pleochroism
colorless.
Moderate; cochineal-red to blood-red
1.3 Dispersion
1.00NA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Transparent, Translucent
OpaqueUlrich Henn and Claudio C. Milisenda, Gemmological Tables (2004) Rarely transparentMore from other references
1.5 Refractive Index
1.525-1.5422.792-3.087
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Triclinic
Trigonal
1.8 Birefringence
0.008-0.0110.295-0.296
Achroite
0 0.296
1.9 Clarity
Transparent
OpaqueUlrich Henn and Claudio C. Milisenda

Albite and Proustite Optic Character

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

Albite and Proustite Transparency

Similar to their colors, Albite and Proustite 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, Albite is Translucent and Transparent while Albite is Translucent and Transparent in appearance.