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Taaffeite
Taaffeite

Feldspar
Feldspar



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Taaffeite
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Feldspar

Taaffeite and Feldspar Optical Properties

1 Optical Properties
1.1 Luster
Vitreous
Vitreous
1.2 Pleochroism
Weak
None
1.3 Dispersion
0.02NA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Gemmological Tables (2004) More from other references
Transparent, Translucent
1.5 Refractive Index
1.70-1.731.518-1.570
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Hexagonal
Triclinic or monoclinic
1.8 Birefringence
0.0550.008-0.010
Achroite
0 0.296
1.9 Clarity
Color grading system
Transparent

Taaffeite and Feldspar Optic Character

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

Taaffeite and Feldspar Transparency

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