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Ulexite
Ulexite

Phosphosiderite
Phosphosiderite



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Ulexite
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Phosphosiderite

Ulexite and Phosphosiderite Optical Properties

Optical Properties

Luster

-
Vitreous

Pleochroism

-
Pale rose-red carmine-red colorlessAnthony et al

Dispersion

0.060.04
0.005 1
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Transparency

Transparent
Transparent

Refractive Index

1.491-1.5201.692-1.739
1 3.25
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Optic Character

-
-

Crystal System

-
-

Birefringence

0.0290.240
0 0.296
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Clarity

Transparent
Transparent

Ulexite and Phosphosiderite Optic Character

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

Ulexite and Phosphosiderite Transparency

Similar to their colors, Ulexite 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, Ulexite is Transparent while Ulexite is Transparent in appearance.