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Pezzottaite
Pezzottaite

Siderite
Siderite



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Pezzottaite
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Siderite

Pezzottaite and Siderite Optical Properties

Optical Properties

Luster

Vitreous
Pearly

Pleochroism

Moderate dichroic
-

Dispersion

0.020.04
0.005 1
👆🏻

Transparency

Transparent
Transparent, Translucent

Refractive Index

1.598-1.6201.633-1.875
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Hexagonal
Trigonal

Birefringence

0.008-0.0110.242
0 0.296
👆🏻

Clarity

Transparent
Transparent

Pezzottaite and Siderite Optic Character

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

Pezzottaite and Siderite Transparency

Similar to their colors, Pezzottaite 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, Pezzottaite is Transparent while Pezzottaite is Transparent in appearance.