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Childrenite
Childrenite

Dravite
Dravite



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Childrenite
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Dravite

Childrenite and Dravite Optical Properties

Optical Properties

Luster

Pleochroism

Dispersion

Transparency

Refractive Index

Optic Character

Crystal System

Birefringence

Clarity

 
Vitreous, Resinous
visible
0.03
Transparent
1.639-1.672
-
Orthorhombic
0.027-0.042
Transparent
 
Vitreous
Very strong: pale yellow colorless
0.02
Transparent
1.614-1.666
-
Trigonal Ditrigonal Pyramidal H-M Symbol (3m) Space Group: R 3m
0.014-0.032
Transparent

Childrenite and Dravite Optic Character

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

Childrenite and Dravite Transparency

Similar to their colors, Childrenite 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, Childrenite is while Childrenite is in appearance.