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Pezzottaite
Pezzottaite

Phosphosiderite
Phosphosiderite



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Pezzottaite
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Phosphosiderite

Pezzottaite and Phosphosiderite Optical Properties

Optical Properties

Luster

Vitreous
Vitreous

Pleochroism

Moderate dichroic
Pale rose-red carmine-red colorlessAnthony et al

Dispersion

0.020.04
0.005 1
👆🏻

Transparency

Transparent
Transparent

Refractive Index

1.598-1.6201.692-1.739
1 3.25
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Optic Character

-
-

Crystal System

Hexagonal
-

Birefringence

0.008-0.0110.240
0 0.296
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Clarity

Transparent
Transparent

Pezzottaite and Phosphosiderite Optic Character

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

Similar to their colors, Pezzottaite and Phosphosiderite 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.