Bowenite and Augelite Optical Properties

Bowenite

Augelite

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1 Optical Properties

1.1 Luster

Waxy, Silky, Resinous, Greasy

Pearly

1.2 Pleochroism

Not Available

NilArthur Thomas

1.3 Dispersion

NANA

0.007 1

1.4 Transparency

TranslucentHerve Nicolas Lazzarelli, Blue Chart Gem Identification (2010)

Gemmological Tables (2004) More from other references

1.5 Refractive Index

1.530-1.5751.570-1.591

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

Not Available

1.8 Birefringence

Not Available0.020-0.021

0 0.296

1.9 Clarity

TranslucentHerve Nicolas Lazzarelli

TransparentUlrich Henn and Claudio C. Milisenda

Bowenite and Augelite Optic Character

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

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Bowenite and Augelite Transparency

Similar to their colors, Bowenite and Augelite 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, Bowenite is Blue Chart Gem Identification (2010) and TranslucentHerve Nicolas Lazzarelli while Bowenite is Blue Chart Gem Identification (2010) and TranslucentHerve Nicolas Lazzarelli in appearance.