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Bloodstone Heliotrope
Bloodstone Heliotrope

Petalite
Petalite



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Bloodstone Heliotrope
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Petalite

Bloodstone Heliotrope and Petalite Optical Properties

1 Optical Properties
1.1 Luster
Waxy
Vitreous, Pearly
1.2 Pleochroism
Not Available
AbsentWalter Schumann
1.3 Dispersion
NA0.01
Fluorite Optical Properties
0.007 1
1.4 Transparency
Translucent
Gemmological Tables (2004) More from other references
1.5 Refractive Index
1.530-1.5431.502-1.523
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Not Available
monoclinic
1.8 Birefringence
0.003-0.0090.012-0.016
Achroite
0 0.296
1.9 Clarity
Translucent
TransparentUlrich Henn and Claudio C. Milisenda

Bloodstone Heliotrope and Petalite Optic Character

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

Bloodstone Heliotrope and Petalite Transparency

Similar to their colors, Bloodstone Heliotrope and Petalite 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, Bloodstone Heliotrope is Translucent while Bloodstone Heliotrope is Translucent in appearance.