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Andesine
Andesine

Achroite
Achroite



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Andesine
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Achroite

Andesine and Achroite Optical Properties

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1 Optical Properties
1.1 Luster
Vitreous
Not Available
1.2 Pleochroism
colorless.
Not Available
1.3 Dispersion
0.700.02
Fluorite Optical Properties
0.007 1
1.4 Transparency
Transparent, Translucent, Transparent to translucent
Transparent, Translucent
1.5 Refractive Index
1.543-1.5641.614-1.666
Agate Opal
1 3.25
1.6 Optic Character
Biaxial/+
Not Available
1.7 Crystal System
Triclinic
Not Available
1.8 Birefringence
0.007-0.0110.014-0.040
Ammolite
0 0.296
1.9 Clarity
Transparent
Transparent

Andesine and Achroite Optic Character

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

Similar to their colors, Andesine and Achroite 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.