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Siderite
Siderite

Microlite
Microlite



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Siderite
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Microlite

Siderite and Microlite Optical Properties

Optical Properties

Luster

Pearly
Vitreous

Pleochroism

-
-

Dispersion

0.040.02
0.005 1
👆🏻

Transparency

Transparent, Translucent
Translucent

Refractive Index

1.633-1.8751.993-2.02
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Trigonal
-

Birefringence

0.242-9999
0 0.296
👆🏻

Clarity

Transparent
Translucent

Siderite and Microlite Optic Character

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

Similar to their colors, Siderite and Microlite 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.