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Blue gold
Blue gold

Siderite
Siderite



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Blue gold
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Siderite

Blue gold and Siderite Optical Properties

Optical Properties

Luster

-
Pearly

Pleochroism

-
-

Dispersion

-0.04
0.005 1
👆🏻

Transparency

-
Transparent, Translucent

Refractive Index

-99991.633-1.875
1 3.25
👆🏻

Optic Character

-
-

Crystal System

-
Trigonal

Birefringence

-99990.242
0 0.296
👆🏻

Clarity

-
Transparent

Blue gold and Siderite Optic Character

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

Blue gold and Siderite Transparency

Similar to their colors, Blue gold and Siderite 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, Blue gold is while Blue gold is in appearance.