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Pyrope
Pyrope

Chrysoprase
Chrysoprase



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Pyrope
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Chrysoprase

Pyrope and Chrysoprase Optical Properties

1 Optical Properties
1.1 Luster
Greasy, Vitreous
Vitreous, Vitreous, Waxy
1.2 Pleochroism
None
AbsentWalter Schumann
1.3 Dispersion
0.02None
Fluorite Optical Properties
0.007 1
1.4 Transparency
Gemmological Tables (2004) More from other references
Translucent, Translucent, Opaque, Translucent to nearly opaque
1.5 Refractive Index
1.720-1.7561.530-1.543
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
cubic
Trigonal
1.8 Birefringence
Not Available0.004
Achroite
0 0.296
1.9 Clarity
TransparentUlrich Henn and Claudio C. Milisenda
Translucent

Pyrope and Chrysoprase Optic Character

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

Pyrope and Chrysoprase Transparency

Similar to their colors, Pyrope 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, Pyrope is Gemmological Tables (2004) More from other references while Pyrope is Gemmological Tables (2004) More from other references in appearance.