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Boracite
Boracite

Pezzottaite
Pezzottaite



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Boracite
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Pezzottaite

Boracite and Pezzottaite Optical Properties

Optical Properties

Luster

Vitreous, Adamantine
Vitreous

Pleochroism

None
Moderate dichroic

Dispersion

-0.02
0.005 1
👆🏻

Transparency

Transparent
Transparent

Refractive Index

1.658-1.6731.598-1.620
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Orthorhombic
Hexagonal

Birefringence

0.010-0.0110.008-0.011
0 0.296
👆🏻

Clarity

Transparent
Transparent

Boracite and Pezzottaite Optic Character

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

Boracite and Pezzottaite Transparency

Similar to their colors, Boracite and Pezzottaite 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, Boracite is Transparent while Boracite is Transparent in appearance.