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Colemanite
Colemanite

Chrysoprase
Chrysoprase



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Colemanite
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Chrysoprase

Colemanite and Chrysoprase Optical Properties

1 Optical Properties
1.1 Luster
Vitreous
Vitreous, Vitreous, Waxy
1.2 Pleochroism
NilArthur Thomas
AbsentWalter Schumann
1.3 Dispersion
NANone
Fluorite Optical Properties
0.007 1
1.4 Transparency
Transparent
Translucent, Translucent, Opaque, Translucent to nearly opaque
1.5 Refractive Index
1.584-1.6151.530-1.543
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Monoclinic Prismatic H-M Symbol (2/m) Space Group: P 21/a
Trigonal
1.8 Birefringence
0.028-0.0300.004
Achroite
0 0.296
1.9 Clarity
Transparent
Translucent

Colemanite and Chrysoprase Optic Character

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

Colemanite and Chrysoprase Transparency

Similar to their colors, Colemanite and Chrysoprase 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, Colemanite is Transparent while Colemanite is Transparent in appearance.