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Pezzottaite
Pezzottaite

Spessartine
Spessartine



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Pezzottaite
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Spessartine

Pezzottaite and Spessartine Optical Properties

1 Optical Properties
1.1 Luster
Vitreous
Vitreous
1.2 Pleochroism
Moderate dichroic
Not Available
1.3 Dispersion
NA0.03
Fluorite Optical Properties
0.007 1
1.4 Transparency
Transparent
Gemmological Tables (2004) More from other references
1.5 Refractive Index
1.598-1.6201.789-1.820
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Hexagonal
Isometric
1.8 Birefringence
0.008-0.0110.027
Achroite
0 0.296
1.9 Clarity
Transparent
TransparentUlrich Henn and Claudio C. Milisenda

Pezzottaite and Spessartine Optic Character

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

Pezzottaite and Spessartine Transparency

Similar to their colors, Pezzottaite and Spessartine 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, Pezzottaite is Transparent while Pezzottaite is Transparent in appearance.