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Boracite
Boracite

Stolzite
Stolzite



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Boracite
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Stolzite

Boracite and Stolzite Optical Properties

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Optical Properties

Luster

Vitreous, Adamantine
Resinous, Subadamantine

Pleochroism

None
-

Dispersion

-0.03
0.005 1
👆🏻

Transparency

Transparent
-

Refractive Index

1.658-1.6732.180-2.190
1 3.25
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Optic Character

-
-

Crystal System

Orthorhombic
tetragonal

Birefringence

0.010-0.0110.090
0 0.296
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Clarity

Transparent
-

Boracite and Stolzite Optic Character

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

Similar to their colors, Boracite and Stolzite 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.