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Boracite
Boracite

Plumbogummite
Plumbogummite



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Boracite
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Plumbogummite

Boracite and Plumbogummite Optical Properties

Optical Properties

Luster

Vitreous, Adamantine
Resinous

Pleochroism

None
None

Dispersion

-0.04
0.005 1
👆🏻

Transparency

Transparent
-

Refractive Index

1.658-1.6731.653-1.688
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Orthorhombic
Trigonal

Birefringence

0.010-0.011-9999
0 0.296
👆🏻

Clarity

Transparent
-

Boracite and Plumbogummite Optic Character

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

Similar to their colors, Boracite and Plumbogummite 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.