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Bikolite
Bikolite

Cordierite Iolite
Cordierite Iolite



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Bikolite
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Cordierite Iolite

Bikolite and Cordierite Iolite Optical Properties

1 Optical Properties
1.1 Luster
Not Available
Vitreous
1.2 Pleochroism
Not Available
Strong trichroism: colorless to yellowish
1.3 Dispersion
NA0.02
Fluorite Optical Properties
0.007 1
1.4 Transparency
Not Available
Transparent
1.5 Refractive Index
1.490-1.5201.542-1.578
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Biaxial/+
1.7 Crystal System
Not Available
Not Available
1.8 Birefringence
Not Available0.008-0.012
Achroite
0 0.296
1.9 Clarity
Not Available
Transparent

Bikolite and Cordierite Iolite Optic Character

Bikolite and Cordierite Iolite optical properties play a significant role while distinguishing these gemstones from each other. These properties are influenced by the Bikolite and Cordierite 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 Bikolite and Cordierite 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. Cordierite Iolite has Biaxial/+ character.

Bikolite and Cordierite Iolite Transparency

Similar to their colors, Bikolite and Cordierite 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, Bikolite is Not Available while Bikolite is Not Available in appearance.