Andesine and Hemimorphite Optical Properties

Andesine

Hemimorphite

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1 Optical Properties

1.1 Luster

Vitreous

Vitreous, Adamantine, Silky

1.2 Pleochroism

colorless.

AbsentWalter Schumann

1.3 Dispersion

0.700.02

0.007 1

1.4 Transparency

Transparent, Translucent, Transparent to translucent

Transparent, Translucent

1.5 Refractive Index

1.543-1.5641.614-1.636

1 3.25

1.6 Optic Character

Biaxial/+

Not Available

1.7 Crystal System

Triclinic

Orthorhombic

1.8 Birefringence

0.007-0.0110.022

0 0.296

1.9 Clarity

Transparent

Andesine and Hemimorphite Optic Character

Andesine and Hemimorphite optical properties play a significant role while distinguishing these gemstones from each other. These properties are influenced by the Andesine and Hemimorphite 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 Andesine and Hemimorphite 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. Andesine has Biaxial/+ character.

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Andesine and Hemimorphite Transparency

Similar to their colors, Andesine and Hemimorphite 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, Andesine is Translucent, Transparent and Transparent to translucent while Andesine is Translucent, Transparent and Transparent to translucent in appearance.