Diamond and Amblygonite Optical Properties

Diamond

Amblygonite

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1 Optical Properties

1.1 Luster

Adamantine

Vitreous, Pearly

1.2 Pleochroism

None

weak to none

1.3 Dispersion

0.040.01

0.007 1

1.4 Transparency

Transparent, Translucent, Transparent to opaque

Gemmological Tables (2004) More from other references

1.5 Refractive Index

2.417-2.4191.578-1.646

1 3.25

1.6 Optic Character

Not Available

Biaxial/+

1.7 Crystal System

cubic

Triclinic

1.8 Birefringence

Not Available0.020-0.030

0 0.296

1.9 Clarity

Transparent

TransparentUlrich Henn and Claudio C. Milisenda

Diamond and Amblygonite Optic Character

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

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Diamond and Amblygonite Transparency

Similar to their colors, Diamond 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, Diamond is Translucent, Transparent and Transparent to opaque while Diamond is Translucent, Transparent and Transparent to opaque in appearance.