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Boleite
Boleite

Dallasite
Dallasite



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Boleite
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Dallasite

Boleite and Dallasite Optical Properties

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Optical Properties

Luster

Pleochroism

Dispersion

Transparency

Refractive Index

Optic Character

Crystal System

Birefringence

Clarity

 
Vitreous, Pearly
-
0.07
Transparent
2.05
-
Isometric
0.010
Transparent
 
-
-
0.01
-
1.540
-
-
0.008-0.010
-

Boleite and Dallasite Optic Character

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

Boleite and Dallasite Transparency

Similar to their colors, Boleite and Dallasite 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, Boleite is while Boleite is in appearance.