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Bloodstone
Bloodstone

Achroite
Achroite



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Bloodstone
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Achroite

Bloodstone and Achroite Optical Properties

Optical Properties

Luster

Vitreous
-

Pleochroism

-
-

Dispersion

0.010.02
0.005 1
👆🏻

Transparency

Opaque
Transparent, Translucent

Refractive Index

1.54-1.551.614-1.666
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Trigonal
-

Birefringence

-99990.014-0.040
0 0.296
👆🏻

Clarity

Opaque
Transparent

Bloodstone and Achroite Optic Character

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

Similar to their colors, Bloodstone and Achroite 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 is Opaque while Bloodstone is Opaque in appearance.