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Afghanite
Afghanite

Sunstone
Sunstone



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Afghanite
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Sunstone

Afghanite and Sunstone Optical Properties

1 Optical Properties
1.1 Luster
Vitreous
Vitreous
1.2 Pleochroism
Not Available
Weak or absentWalter Schumann
1.3 Dispersion
NANone
Fluorite Optical Properties
0.007 1
1.4 Transparency
Transparent, Gemstones (2009)
Transparent, Translucent, Transparent to translucent
1.5 Refractive Index
1.5231.53-1.55
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Trigonal
Triclinic
1.8 Birefringence
0.0060.007-0.010
Achroite
0 0.296
1.9 Clarity
Transparent
Transparent to translucent

Afghanite and Sunstone Optic Character

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

Afghanite and Sunstone Transparency

Similar to their colors, Afghanite and Sunstone 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, Afghanite is Gemstones (2009) and Transparent while Afghanite is Gemstones (2009) and Transparent in appearance.