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Phosphosiderite
Phosphosiderite

Prase
Prase



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Phosphosiderite
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Prase

Phosphosiderite and Prase Optical Properties

Optical Properties

Luster

Vitreous
-

Pleochroism

Pale rose-red carmine-red colorlessAnthony et al
-

Dispersion

0.040.01
0.005 1
👆🏻

Transparency

Transparent
Transparent, Translucent

Refractive Index

1.692-1.7391.544-1.553
1 3.25
👆🏻

Optic Character

-
-

Crystal System

-
-

Birefringence

0.2400.009
0 0.296
👆🏻

Clarity

Transparent
Transparent

Phosphosiderite and Prase Optic Character

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

Phosphosiderite and Prase Transparency

Similar to their colors, Phosphosiderite and Prase 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, Phosphosiderite is Transparent while Phosphosiderite is Transparent in appearance.