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Phosphosiderite
Phosphosiderite

Rutilated topaz
Rutilated topaz



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Phosphosiderite
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Rutilated topaz

Phosphosiderite and Rutilated topaz Optical Properties

Optical Properties

Luster

Vitreous
-

Pleochroism

Pale rose-red carmine-red colorlessAnthony et al
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Dispersion

0.040.03
0.005 1
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Transparency

Transparent
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Refractive Index

1.692-1.739-9999
1 3.25
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Optic Character

-
-

Crystal System

-
-

Birefringence

0.240-9999
0 0.296
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Clarity

Transparent
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Phosphosiderite and Rutilated topaz Optic Character

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

Similar to their colors, Phosphosiderite and Rutilated topaz 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.