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Augelite
Augelite

Feldspar
Feldspar



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Augelite
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Feldspar

Augelite and Feldspar Optical Properties

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1 Optical Properties
1.1 Luster
Pearly
Vitreous
1.2 Pleochroism
NilArthur Thomas
None
1.3 Dispersion
NANA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Gemmological Tables (2004) More from other references
Transparent, Translucent
1.5 Refractive Index
1.570-1.5911.518-1.570
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Triclinic or monoclinic
1.8 Birefringence
0.020-0.0210.008-0.010
Achroite
0 0.296
1.9 Clarity
TransparentUlrich Henn and Claudio C. Milisenda
Transparent

Augelite and Feldspar Optic Character

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

Similar to their colors, Augelite and Feldspar 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.