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Rock Crystal
Rock Crystal

Amblygonite
Amblygonite



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Rock Crystal
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Amblygonite

Rock Crystal and Amblygonite Optical Properties

1 Optical Properties
1.1 Luster
Not Available
Vitreous, Pearly
1.2 Pleochroism
AbsentWalter Schumann
weak to none
1.3 Dispersion
0.010.01
Fluorite Optical Properties
0.007 1
1.4 Transparency
TransparentWalter Schumann, Gemstones of the world (2001) More from other references
Gemmological Tables (2004) More from other references
1.5 Refractive Index
1.544-1.5531.578-1.646
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Biaxial/+
1.7 Crystal System
Not Available
Triclinic
1.8 Birefringence
0.0090.020-0.030
Achroite
0 0.296
1.9 Clarity
TransparentWalter Schumann
TransparentUlrich Henn and Claudio C. Milisenda

Rock Crystal and Amblygonite Optic Character

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

Rock Crystal and Amblygonite Transparency

Similar to their colors, Rock Crystal and Amblygonite 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, Rock Crystal is Gemstones of the world (2001) More from other references and TransparentWalter Schumann while Rock Crystal is Gemstones of the world (2001) More from other references and TransparentWalter Schumann in appearance.