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Boracite
Boracite

Quartz
Quartz



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Boracite
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Quartz

Boracite and Quartz Optical Properties

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Optical Properties

Luster

Vitreous, Adamantine
Vitreous

Pleochroism

None
None

Dispersion

-0.01
0.005 1
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Transparency

Transparent
Transparent, Translucent, Transparent to translucent

Refractive Index

1.658-1.6731.544-1.553
1 3.25
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Optic Character

-
-

Crystal System

Orthorhombic
Trigonal

Birefringence

0.010-0.0110.009
0 0.296
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Clarity

Transparent
Opaque

Boracite and Quartz Optic Character

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

Similar to their colors, Boracite and Quartz 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.