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Moss Agate
Moss Agate

Dravite
Dravite



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Moss Agate
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Dravite

Moss Agate and Dravite Optical Properties

Optical Properties

Luster

-
Vitreous

Pleochroism

-
Very strong: pale yellow colorless

Dispersion

0.010.02
0.005 1
👆🏻

Transparency

TranslucentWalter Schumann
Transparent

Refractive Index

1.530-1.5401.614-1.666
1 3.25
👆🏻

Optic Character

-
-

Crystal System

-
Trigonal Ditrigonal Pyramidal H-M Symbol (3m) Space Group: R 3m

Birefringence

0.0040.014-0.032
0 0.296
👆🏻

Clarity

TranslucentWalter Schumann
Transparent

Moss Agate and Dravite Optic Character

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

Moss Agate and Dravite Transparency

Similar to their colors, Moss Agate 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, Moss Agate is TranslucentWalter Schumann while Moss Agate is TranslucentWalter Schumann in appearance.