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Amblygonite
Amblygonite

Zincite
Zincite



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Amblygonite
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Zincite

Amblygonite and Zincite Optical Properties

1 Optical Properties
1.1 Luster
Vitreous, Pearly
Subadamantine, Resinous
1.2 Pleochroism
weak to none
Very weak
1.3 Dispersion
0.01NA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Gemmological Tables (2004) More from other references
TransparentRobert C. Kammerling, The Journal of Gemmology (1995) More from other references
1.5 Refractive Index
1.578-1.6462.013-2.029
Agate Opal
1 3.25
1.6 Optic Character
Biaxial/+
Not Available
1.7 Crystal System
Triclinic
Hexagonal
1.8 Birefringence
0.020-0.0300.016
Achroite
0 0.296
1.9 Clarity
TransparentUlrich Henn and Claudio C. Milisenda
TransparentRobert C. Kammerling

Amblygonite and Zincite Optic Character

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

Similar to their colors, Amblygonite and Zincite 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.