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Demantoid Garnet
Demantoid Garnet

Amblygonite
Amblygonite



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Demantoid Garnet
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Amblygonite

Demantoid Garnet and Amblygonite Optical Properties

1 Optical Properties
1.1 Luster
Not Available
Vitreous, Pearly
1.2 Pleochroism
Not Available
weak to none
1.3 Dispersion
NA0.01
Fluorite Optical Properties
0.007 1
1.4 Transparency
Not Available
Gemmological Tables (2004) More from other references
1.5 Refractive Index
1.88-1.891.578-1.646
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Biaxial/+
1.7 Crystal System
Isometric
Triclinic
1.8 Birefringence
Not Available0.020-0.030
Achroite
0 0.296
1.9 Clarity
Color grading system
TransparentUlrich Henn and Claudio C. Milisenda

Demantoid Garnet and Amblygonite Optic Character

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

Demantoid Garnet and Amblygonite Transparency

Similar to their colors, Demantoid Garnet 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, Demantoid Garnet is Not Available while Demantoid Garnet is Not Available in appearance.