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Scapolite
Scapolite

Afghanite
Afghanite



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Scapolite
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Afghanite

Scapolite and Afghanite Optical Properties

1 Optical Properties
1.1 Luster
Not Available
Vitreous
1.2 Pleochroism
Not Available
Not Available
1.3 Dispersion
0.02NA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Gemmological Tables (2004) More from other references
Transparent, Gemstones (2009)
1.5 Refractive Index
1.540-1.5791.523
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
tetragonal
Trigonal
1.8 Birefringence
0.006-0.0370.006
Achroite
0 0.296
1.9 Clarity
TransparentUlrich Henn and Claudio C. Milisenda
Transparent

Scapolite and Afghanite Optic Character

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

Scapolite and Afghanite Transparency

Similar to their colors, Scapolite 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, Scapolite is Gemmological Tables (2004) More from other references while Scapolite is Gemmological Tables (2004) More from other references in appearance.