Hemimorphite and Rosasite Optical Properties

Hemimorphite

Rosasite

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1 Optical Properties

1.1 Luster

Vitreous, Adamantine, Silky

Silky, Vitreous

1.2 Pleochroism

AbsentWalter Schumann

Strong: X = pale emerald green or colourless; Y = dark emerald green or pale blue; Z = dark emerald green or pale blue

1.3 Dispersion

0.02NA

0.007 1

1.4 Transparency

Transparent, Translucent

Not Available

1.5 Refractive Index

1.614-1.6361.672-1.688

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

Orthorhombic

monoclinic

1.8 Birefringence

0.0220.139-0.143

0 0.296

1.9 Clarity

Transparent

Not Available

Hemimorphite and Rosasite Optic Character

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

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