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Prehnite
Prehnite

Bloodstone Heliotrope
Bloodstone Heliotrope



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Prehnite
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Bloodstone Heliotrope

Prehnite and Bloodstone Heliotrope Optical Properties

1 Optical Properties
1.1 Luster
Vitreous
Waxy
1.2 Pleochroism
AbsentWalter Schumann
Not Available
1.3 Dispersion
NoneNA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Translucent
Translucent
1.5 Refractive Index
1.611-1.6731.530-1.543
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Orthorhombic
Not Available
1.8 Birefringence
0.021-0.0330.003-0.009
Achroite
0 0.296
1.9 Clarity
TranslucentHerve Nicolas Lazzarelli
Translucent

Prehnite and Bloodstone Heliotrope Optic Character

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

Prehnite and Bloodstone Heliotrope Transparency

Similar to their colors, Prehnite 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, Prehnite is Translucent while Prehnite is Translucent in appearance.