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Akoya pearl
Akoya pearl

Bastnasite
Bastnasite



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Akoya pearl
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Bastnasite

Akoya pearl and Bastnasite Optical Properties

1 Optical Properties
1.1 Luster
Not Available
Vitreous, Greasy, Pearly
1.2 Pleochroism
Not Available
Faint
1.3 Dispersion
NANA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Not Available
Gemmological Tables (2004) More from other references
1.5 Refractive Index
Not Available1.717-1.722
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Not Available
Hexagonal
1.8 Birefringence
Not Available0.100
Achroite
0 0.296
1.9 Clarity
Not Available
TransparentUlrich Henn and Claudio C. Milisenda

Akoya pearl and Bastnasite Optic Character

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

Similar to their colors, Akoya pearl and Bastnasite 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.