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Lepidolite
Lepidolite

Cobaltite
Cobaltite



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X
Lepidolite
X
Cobaltite

Lepidolite and Cobaltite Optical Properties

1 Optical Properties
1.1 Luster
Vitreous, Pearly
Not Available
1.2 Pleochroism
X = almost colorless; Y = Z = pink
Very weak
1.3 Dispersion
NANA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Transparent
Gems
1.5 Refractive Index
1.525-1.587Not Available
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Triclinic
Orthorhombic Pyramidal H-M Symbol (mm2) Space Group: P ca21
1.8 Birefringence
0.0290-0.0380Not Available
Achroite
0 0.296
1.9 Clarity
Transparent
Gems

Lepidolite and Cobaltite Optic Character

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

Lepidolite and Cobaltite Transparency

Similar to their colors, Lepidolite and Cobaltite 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, Lepidolite is Transparent while Lepidolite is Transparent in appearance.