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Phosphosiderite
Phosphosiderite

Esperite
Esperite



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Phosphosiderite
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Esperite

Phosphosiderite and Esperite Optical Properties

Optical Properties

Luster

Vitreous
Vitreous

Pleochroism

Pale rose-red carmine-red colorlessAnthony et al
colorless.

Dispersion

0.040.02
0.005 1
👆🏻

Transparency

Transparent
OpaqueAnthony et al, Opaque, Transparent

Refractive Index

1.692-1.7391.760-1.774
1 3.25
👆🏻

Optic Character

-
-

Crystal System

-
monoclinic

Birefringence

0.2400.012
0 0.296
👆🏻

Clarity

Transparent
OpaqueAnthony et al

Phosphosiderite and Esperite Optic Character

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

Similar to their colors, Phosphosiderite and Esperite 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.