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Saltwater pearl
Saltwater pearl

Dravite
Dravite



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Saltwater pearl
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Dravite

Saltwater pearl and Dravite Optical Properties

1 Optical Properties
1.1 Luster
Not Available
Vitreous
1.2 Pleochroism
Not Available
Very strong: pale yellow colorless
1.3 Dispersion
NA0.02
Fluorite Optical Properties
0.007 1
1.4 Transparency
Not Available
Transparent
1.5 Refractive Index
Not Available1.614-1.666
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Not Available
Trigonal Ditrigonal Pyramidal H-M Symbol (3m) Space Group: R 3m
1.8 Birefringence
Not Available0.014-0.032
Achroite
0 0.296
1.9 Clarity
Not Available
Transparent

Saltwater pearl and Dravite Optic Character

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

Saltwater pearl and Dravite Transparency

Similar to their colors, Saltwater pearl and Dravite 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, Saltwater pearl is Not Available while Saltwater pearl is Not Available in appearance.