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Boracite
Boracite

Rosasite
Rosasite



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Boracite
X
Rosasite

Boracite and Rosasite Optical Properties

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Optical Properties

Luster

Vitreous, Adamantine
Silky, Vitreous

Pleochroism

None
Strong: X = pale emerald green or colourless; Y = dark emerald green or pale blue; Z = dark emerald green or pale blue

Dispersion

-0.03
0.005 1
👆🏻

Transparency

Transparent
-

Refractive Index

1.658-1.6731.672-1.688
1 3.25
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Optic Character

-
-

Crystal System

Orthorhombic
monoclinic

Birefringence

0.010-0.0110.139-0.143
0 0.296
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Clarity

Transparent
-

Boracite and Rosasite Optic Character

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

Similar to their colors, Boracite and Rosasite 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.