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Ettringite
Ettringite

Enstatite
Enstatite



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Ettringite
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Enstatite

Ettringite and Enstatite Optical Properties

Optical Properties

Luster

Vitreous
Vitreous, Pearly

Pleochroism

-
Pale green to pale orange

Dispersion

0.040.01
0.005 1
👆🏻

Transparency

Transparent, Translucent
Transparent, Translucent

Refractive Index

1.470-1.4911.650-1.680
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Trigonal
Orthorhombic

Birefringence

0.0210.009-0.011
0 0.296
👆🏻

Clarity

Transparent
Transparent

Ettringite and Enstatite Optic Character

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

Ettringite and Enstatite Transparency

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