Diopside and Amblygonite Optical Properties

Diopside

Amblygonite

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1 Optical Properties

1.1 Luster

Vitreous

Vitreous, Pearly

1.2 Pleochroism

Not Available

weak to none

1.3 Dispersion

0.020.01

0.007 1

1.4 Transparency

Transparent, Translucent, Not Available, Transparent . Star Diopside is opaque .

Gemmological Tables (2004) More from other references

1.5 Refractive Index

1.664-1.7301.578-1.646

1 3.25

1.6 Optic Character

Not Available

Biaxial/+

1.7 Crystal System

monoclinic

Triclinic

1.8 Birefringence

0.024-0.0300.020-0.030

0 0.296

1.9 Clarity

Transparent

TransparentUlrich Henn and Claudio C. Milisenda

Diopside and Amblygonite Optic Character

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

Similar to their colors, Diopside 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, Diopside is Not Available, Translucent, Transparent and Transparent . Star Diopside is opaque . while Diopside is Not Available, Translucent, Transparent and Transparent . Star Diopside is opaque . in appearance.