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Akoya pearl
Akoya pearl

Proustite
Proustite



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Akoya pearl
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Proustite

Akoya pearl and Proustite Optical Properties

1 Optical Properties
1.1 Luster
Not Available
Adamantine
1.2 Pleochroism
Not Available
Moderate; cochineal-red to blood-red
1.3 Dispersion
Albite Optical ..
Not Available
Rank: N/A (Overall)
Not Available
Rank: N/A (Overall)
Fluorite Optical Properties
1.4 Transparency
Not Available
OpaqueUlrich Henn and Claudio C. Milisenda, Gemmological Tables (2004) Rarely transparentMore from other references
1.5 Refractive Index
Not Available
2.792-3.087
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Not Available
Trigonal
1.8 Birefringence
Not Available
0.295-0.296
1.9 Clarity
Not Available
OpaqueUlrich Henn and Claudio C. Milisenda

Akoya pearl and Proustite Optic Character

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

Akoya pearl and Proustite Transparency

Similar to their colors, Akoya pearl 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, Akoya pearl is Not Available while Akoya pearl is Not Available in appearance.