Dioptase and Satin Spar Optical Properties

Dioptase

Satin Spar

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1 Optical Properties

1.1 Luster

Vitreous

Silky

1.2 Pleochroism

Weak; dark emerald green

Not Available

1.3 Dispersion

0.04NA

0.007 1

1.4 Transparency

TranslucentHerve Nicolas Lazzarelli

Not Available

1.5 Refractive Index

1.644-1.720Not Available

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

Trigonal

Not Available

1.8 Birefringence

0.051-0.053Not Available

0 0.296

1.9 Clarity

TranslucentHerve Nicolas Lazzarelli

Not Available

Dioptase and Satin Spar Optic Character

Dioptase and Satin Spar optical properties play a significant role while distinguishing these gemstones from each other. These properties are influenced by the Dioptase and Satin Spar 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 Dioptase and Satin Spar 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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Dioptase Vs Feldspar

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Dioptase Vs Euclase

Dioptase and Satin Spar Transparency

Similar to their colors, Dioptase and Satin Spar 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, Dioptase is TranslucentHerve Nicolas Lazzarelli while Dioptase is TranslucentHerve Nicolas Lazzarelli in appearance.