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Siderite
Siderite

Whitlockite
Whitlockite



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Siderite
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Whitlockite

Siderite and Whitlockite Optical Properties

Optical Properties

Luster

Pearly
Vitreous, Resinous

Pleochroism

-
-

Dispersion

0.040.04
0.005 1
👆🏻

Transparency

Transparent, Translucent
Transparent

Refractive Index

1.633-1.875-9999
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Trigonal
-

Birefringence

0.242-9999
0 0.296
👆🏻

Clarity

Transparent
Transparent

Siderite and Whitlockite Optic Character

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

Similar to their colors, Siderite and Whitlockite 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.