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Bertrandite
Bertrandite

Moss Agate
Moss Agate



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Bertrandite
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Moss Agate

Bertrandite and Moss Agate Optical Properties

Optical Properties

Luster

Vitreous
-

Pleochroism

none.
-

Dispersion

0.010.01
0.005 1
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Transparency

TransparentAnthony et al
TranslucentWalter Schumann

Refractive Index

1.583-1.6141.530-1.540
1 3.25
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Optic Character

-
-

Crystal System

Orthorhombic Pyramidal H-M Symbol (mm2) Space Group: Ccm21
-

Birefringence

-99990.004
0 0.296
👆🏻

Clarity

TransparentAnthony et al
TranslucentWalter Schumann

Bertrandite and Moss Agate Optic Character

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

Bertrandite and Moss Agate Transparency

Similar to their colors, Bertrandite and Moss Agate 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, Bertrandite is TransparentAnthony et al while Bertrandite is TransparentAnthony et al in appearance.