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Triplite
Triplite

Bertrandite
Bertrandite



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Triplite
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Bertrandite

Triplite and Bertrandite Optical Properties

Optical Properties

Luster

Vitreous
Vitreous

Pleochroism

DistinctArthur Thomas
none.

Dispersion

0.040.01
0.005 1
👆🏻

Transparency

Translucent
TransparentAnthony et al

Refractive Index

1.643-1.7031.583-1.614
1 3.25
👆🏻

Optic Character

-
-

Crystal System

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

Birefringence

0.020-9999
0 0.296
👆🏻

Clarity

Translucent
TransparentAnthony et al

Triplite and Bertrandite Optic Character

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

Triplite and Bertrandite Transparency

Similar to their colors, Triplite and Bertrandite 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, Triplite is Translucent while Triplite is Translucent in appearance.