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Andesine
Andesine

Annabergite
Annabergite



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Andesine
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Annabergite

Andesine and Annabergite Optical Properties

1 Optical Properties
1.1 Luster
Vitreous
Subadamantine, Pearly
1.2 Pleochroism
colorless.
Not Available
1.3 Dispersion
0.70NA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Transparent, Translucent, Transparent to translucent
Not Available
1.5 Refractive Index
1.543-1.5641.622
Agate Opal
1 3.25
1.6 Optic Character
Biaxial/+
Not Available
1.7 Crystal System
Triclinic
monoclinic
1.8 Birefringence
0.007-0.0110.065
Achroite
0 0.296
1.9 Clarity
Transparent
Not Available

Andesine and Annabergite Optic Character

Andesine and Annabergite optical properties play a significant role while distinguishing these gemstones from each other. These properties are influenced by the Andesine and Annabergite 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 Andesine and Annabergite 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. Andesine has Biaxial/+ character.

Andesine and Annabergite Transparency

Similar to their colors, Andesine and Annabergite 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, Andesine is Translucent, Transparent and Transparent to translucent while Andesine is Translucent, Transparent and Transparent to translucent in appearance.