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Fire Agate
Fire Agate

Phosphosiderite
Phosphosiderite



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Fire Agate
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Phosphosiderite

Fire Agate and Phosphosiderite Optical Properties

Optical Properties

Luster

Waxy, Vitreous, Greasy, Silky
Vitreous

Pleochroism

-
Pale rose-red carmine-red colorlessAnthony et al

Dispersion

0.010.04
0.005 1
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Transparency

Translucent
Transparent

Refractive Index

1.530-1.5431.692-1.739
1 3.25
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Optic Character

-
-

Crystal System

Trigonal
-

Birefringence

0.003-0.0090.240
0 0.296
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Clarity

Translucent
Transparent

Fire Agate and Phosphosiderite Optic Character

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

Fire Agate and Phosphosiderite Transparency

Similar to their colors, Fire Agate 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, Fire Agate is Translucent while Fire Agate is Translucent in appearance.