×

Tortoiseshell
Tortoiseshell

Bloodstone Heliotrope
Bloodstone Heliotrope



ADD
Compare
X
Tortoiseshell
X
Bloodstone Heliotrope

Tortoiseshell and Bloodstone Heliotrope Optical Properties

1 Optical Properties
1.1 Luster
Not Available
Waxy
1.2 Pleochroism
Not Available
Not Available
1.3 Dispersion
NANA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Gemmological Tables (2004)
Translucent
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
Not Available
1.8 Birefringence
Not Available0.003-0.009
Achroite
0 0.296
1.9 Clarity
OpaqueUlrich Henn and Claudio C. Milisenda
Translucent

Tortoiseshell and Bloodstone Heliotrope Optic Character

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

Similar to their colors, Tortoiseshell and Bloodstone Heliotrope 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.