Enstatite and Atacamite Optical Properties

Enstatite

Atacamite

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1 Optical Properties

1.1 Luster

Vitreous, Pearly

Adamantine, Vitreous

1.2 Pleochroism

Pale green to pale orange

X = pale green; Y = yellow-green; Z = grass-green

1.3 Dispersion

NANA

0.007 1

1.4 Transparency

Transparent, Translucent

Not Available

1.5 Refractive Index

1.650-1.6801.831

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

Orthorhombic

1.8 Birefringence

0.009-0.0110.049

0 0.296

1.9 Clarity

Transparent

Not Available

Enstatite and Atacamite Optic Character

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

Similar to their colors, Enstatite and Atacamite 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, Enstatite is Translucent and Transparent while Enstatite is Translucent and Transparent in appearance.