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Amblygonite
Amblygonite

Chrysoprase
Chrysoprase



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Amblygonite
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Chrysoprase

Amblygonite and Chrysoprase Optical Properties

1 Optical Properties
1.1 Luster
Vitreous, Pearly
Vitreous, Vitreous, Waxy
1.2 Pleochroism
weak to none
AbsentWalter Schumann
1.3 Dispersion
0.01None
Fluorite Optical Properties
0.007 1
1.4 Transparency
Gemmological Tables (2004) More from other references
Translucent, Translucent, Opaque, Translucent to nearly opaque
1.5 Refractive Index
1.578-1.6461.530-1.543
Agate Opal
1 3.25
1.6 Optic Character
Biaxial/+
Not Available
1.7 Crystal System
Triclinic
Trigonal
1.8 Birefringence
0.020-0.0300.004
Achroite
0 0.296
1.9 Clarity
TransparentUlrich Henn and Claudio C. Milisenda
Translucent

Amblygonite and Chrysoprase Optic Character

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

Similar to their colors, Amblygonite and Chrysoprase 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.