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Binghamite
Binghamite

Iolite
Iolite



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Binghamite
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Iolite

Binghamite and Iolite Optical Properties

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1 Optical Properties
1.1 Luster
Waxy
Vitreous
1.2 Pleochroism
Not Available
Not Available
1.3 Dispersion
NANA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Translucent
Transparent, Translucent, Transparent to translucent
1.5 Refractive Index
1.530-1.5431.52-1.56
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Not Available
Orthorhombic
1.8 Birefringence
0.003-0.009Not Available
Achroite
0 0.296
1.9 Clarity
Translucent
Transparent to translucent

Binghamite and Iolite Optic Character

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

Binghamite and Iolite Transparency

Similar to their colors, Binghamite and Iolite 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, Binghamite is Translucent while Binghamite is Translucent in appearance.