Rosasite and Idocrase Optical Properties

Rosasite

Idocrase

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1 Optical Properties

1.1 Luster

Silky, Vitreous

Not Available

1.2 Pleochroism

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

Not Available

1.3 Dispersion

NANA

0.007 1

1.4 Transparency

Not Available

1.5 Refractive Index

1.672-1.6881.67-1.76

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

monoclinic

tetragonal

1.8 Birefringence

0.139-0.143Not Available

0 0.296

1.9 Clarity

Not Available

Color grading system

Rosasite and Idocrase Optic Character

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

Similar to their colors, Rosasite and Idocrase 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, Rosasite is Not Available while Rosasite is Not Available in appearance.