×

Tortoiseshell
Tortoiseshell

Chrysoprase
Chrysoprase



ADD
Compare
X
Tortoiseshell
X
Chrysoprase

Tortoiseshell and Chrysoprase Optical Properties

1 Optical Properties
1.1 Luster
Not Available
Vitreous, Vitreous, Waxy
1.2 Pleochroism
Not Available
AbsentWalter Schumann
1.3 Dispersion
NANone
Fluorite Optical Properties
0.007 1
1.4 Transparency
Gemmological Tables (2004)
Translucent, Translucent, Opaque, Translucent to nearly opaque
1.5 Refractive Index
1.540-1.5601.530-1.543
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Not Available
Trigonal
1.8 Birefringence
Not Available0.004
Achroite
0 0.296
1.9 Clarity
OpaqueUlrich Henn and Claudio C. Milisenda
Translucent

Tortoiseshell and Chrysoprase Optic Character

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

Tortoiseshell and Chrysoprase Transparency

Similar to their colors, Tortoiseshell 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, Tortoiseshell is Gemmological Tables (2004) while Tortoiseshell is Gemmological Tables (2004) in appearance.