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Liddicoatite
Liddicoatite

Afghanite
Afghanite



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Liddicoatite
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Afghanite

Liddicoatite and Afghanite Optical Properties

1 Optical Properties
1.1 Luster
Vitreous
Vitreous
1.2 Pleochroism
Strong: dark brown light brownAnthony et al
Not Available
1.3 Dispersion
NANA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Transparent
Transparent, Gemstones (2009)
1.5 Refractive Index
Not Available1.523
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Not Available
Trigonal
1.8 Birefringence
Not Available0.006
Achroite
0 0.296
1.9 Clarity
Transparent
Transparent

Liddicoatite and Afghanite Optic Character

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

Liddicoatite and Afghanite Transparency

Similar to their colors, Liddicoatite and Afghanite 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, Liddicoatite is Transparent while Liddicoatite is Transparent in appearance.