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Rhodolite
Rhodolite

Boracite
Boracite



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Rhodolite
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Boracite

Rhodolite and Boracite Optical Properties

Optical Properties

Luster

Greasy, Vitreous
Vitreous, Adamantine

Pleochroism

None
None

Dispersion

0.03-
0.005 1
👆🏻

Transparency

-
Transparent

Refractive Index

1.7601.658-1.673
1 3.25
👆🏻

Optic Character

-
-

Crystal System

cubic
Orthorhombic

Birefringence

0.010-0.0140.010-0.011
0 0.296
👆🏻

Clarity

TransparentUlrich Henn and Claudio C. Milisenda
Transparent

Rhodolite and Boracite Optic Character

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

Rhodolite and Boracite Transparency

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