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Sapphirine
Sapphirine

Aventurine feldspar
Aventurine feldspar



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Sapphirine
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Aventurine feldspar

Sapphirine and Aventurine feldspar Optical Properties

1 Optical Properties
1.1 Luster
Not Available
Not Available
1.2 Pleochroism
Not Available
Not Available
1.3 Dispersion
0.02NA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Transparent
Not Available
1.5 Refractive Index
1.701-1.724Not Available
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Not Available
Not Available
1.8 Birefringence
0.005-0.007Not Available
Achroite
0 0.296
1.9 Clarity
Transparent
Not Available

Sapphirine and Aventurine feldspar Optic Character

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

Sapphirine and Aventurine feldspar Transparency

Similar to their colors, Sapphirine and Aventurine 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, Sapphirine is Transparent while Sapphirine is Transparent in appearance.