Diopside and Almandine Optical Properties

Diopside

Almandine

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1 Optical Properties

1.1 Luster

Vitreous

Greasy, Vitreous

1.2 Pleochroism

Not Available

None

1.3 Dispersion

Albite Optical ..

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0.02

Rank: 22 (Overall)▶

0.03

Rank: 15 (Overall)▶

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Fluorite Optical Properties

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0.044 (Anglesite Opt..)

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1.4 Transparency

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

Gemmological Tables (2004) More from other references

1.5 Refractive Index

1.664-1.730

1.770-1.820

1.6 Optic Character

Not Available

1.7 Crystal System

monoclinic

cubic

1.8 Birefringence

0.024-0.030

Not Available

1.9 Clarity

Transparent

TransparentUlrich Henn and Claudio C. Milisenda

Diopside and Almandine Optic Character

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

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Diopside and Almandine Transparency

Similar to their colors, Diopside and Almandine 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.

Yellow Gemstones

Dravite

Elbaite

Enstatite

Eosphorite

Ettringite

Fayalite