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Augelite

Pezzottaite
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Augelite and Pezzottaite Optical Properties

1 Optical Properties
1.1 Luster
Pearly
Vitreous
1.2 Pleochroism
NilArthur Thomas
Moderate dichroic
1.3 Dispersion
Albite Optical ..
Not Available
Rank: N/A (Overall)
Not Available
Rank: N/A (Overall)
Fluorite Optical Properties
1.4 Transparency
Gemmological Tables (2004) More from other references
Transparent
1.5 Refractive Index
1.570-1.591
1.598-1.620
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Hexagonal
1.8 Birefringence
0.020-0.021
0.008-0.011
1.9 Clarity
TransparentUlrich Henn and Claudio C. Milisenda
Transparent

Augelite and Pezzottaite Optic Character

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

Augelite and Pezzottaite Transparency

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