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Siderite
Siderite

Blue quartz
Blue quartz



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Siderite
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Blue quartz

Siderite and Blue quartz Optical Properties

Optical Properties

Luster

Pearly
-

Pleochroism

-
-

Dispersion

0.040.01
0.005 1
👆🏻

Transparency

Transparent, Translucent
-

Refractive Index

1.633-1.875-9999
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Trigonal
-

Birefringence

0.242-9999
0 0.296
👆🏻

Clarity

Transparent
-

Siderite and Blue quartz Optic Character

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

Similar to their colors, Siderite and Blue quartz 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.