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Augelite

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Augelite and Pietersite Optical Properties

1 Optical Properties
1.1 Luster
Pearly
Not Available
1.2 Pleochroism
NilArthur Thomas
Not Available
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
Not Available
1.5 Refractive Index
1.570-1.591
1.54-1.56
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Trigonal
1.8 Birefringence
0.020-0.021
Not Available
1.9 Clarity
TransparentUlrich Henn and Claudio C. Milisenda
Not Available

Augelite and Pietersite Optic Character

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

Similar to their colors, Augelite and Pietersite 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.