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Phosphosiderite
Phosphosiderite

Sapphire
Sapphire



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Phosphosiderite
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Sapphire

Phosphosiderite and Sapphire Optical Properties

Optical Properties

Luster

Vitreous
Vitreous, Adamantine

Pleochroism

Pale rose-red carmine-red colorlessAnthony et al
Strong

Dispersion

0.040.02
0.005 1
👆🏻

Transparency

Transparent
Transparent, Translucent, Transparent to opaque

Refractive Index

1.692-1.7391.762-1.788
1 3.25
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Optic Character

-
-

Crystal System

-
Trigonal

Birefringence

0.2400.008-0.009
0 0.296
👆🏻

Clarity

Transparent
Transparent

Phosphosiderite and Sapphire Optic Character

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

Similar to their colors, Phosphosiderite and Sapphire 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.