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Amblygonite
Amblygonite

Anhydrite
Anhydrite



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Amblygonite
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Anhydrite

Amblygonite and Anhydrite Optical Properties

1 Optical Properties
1.1 Luster
Vitreous, Pearly
Pearly, Greasy
1.2 Pleochroism
weak to none
For violet varieties
1.3 Dispersion
0.010.01
Fluorite Optical Properties
0.007 1
1.4 Transparency
Gemmological Tables (2004) More from other references
Transparent
1.5 Refractive Index
1.578-1.6461.570-1.614
Agate Opal
1 3.25
1.6 Optic Character
Biaxial/+
Not Available
1.7 Crystal System
Triclinic
Orthorhombic
1.8 Birefringence
0.020-0.0300.042-0.044
Achroite
0 0.296
1.9 Clarity
TransparentUlrich Henn and Claudio C. Milisenda
Transparent

Amblygonite and Anhydrite Optic Character

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

Amblygonite and Anhydrite Transparency

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