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Siderite
Siderite

Bloodstone
Bloodstone



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Siderite
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Bloodstone

Siderite and Bloodstone Optical Properties

Optical Properties

Luster

Pearly
Vitreous

Pleochroism

-
-

Dispersion

0.040.01
0.005 1
👆🏻

Transparency

Transparent, Translucent
Opaque

Refractive Index

1.633-1.8751.54-1.55
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Trigonal
Trigonal

Birefringence

0.242-9999
0 0.296
👆🏻

Clarity

Transparent
Opaque

Siderite and Bloodstone Optic Character

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

Siderite and Bloodstone Transparency

Similar to their colors, Siderite and Bloodstone 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, Siderite is Transparent and Translucent while Siderite is Transparent and Translucent in appearance.