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Scapolite

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Hibonite



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Scapolite and Hibonite Optical Properties

1 Optical Properties
1.1 Luster
Not Available
Vitreous
1.2 Pleochroism
Not Available
O = brownish gray; E = gray
1.3 Dispersion
Albite Optical ..
0.02
Rank: 22 (Overall)
Not Available
Rank: N/A (Overall)
Fluorite Optical Properties
1.4 Transparency
Gemmological Tables (2004) More from other references
Handbook of mineralogy (2001)
1.5 Refractive Index
1.540-1.579
1.79-1.807
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
tetragonal
Hexagonal
1.8 Birefringence
0.006-0.037
Not Available
1.9 Clarity
TransparentUlrich Henn and Claudio C. Milisenda
Handbook of mineralogy (2001)

Scapolite and Hibonite Optic Character

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

Similar to their colors, Scapolite and Hibonite 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.