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Phosphosiderite
Phosphosiderite

Titanite
Titanite



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Phosphosiderite
X
Titanite

Phosphosiderite and Titanite Optical Properties

Optical Properties

Luster

Vitreous
Subadamantine, Resinous

Pleochroism

Pale rose-red carmine-red colorlessAnthony et al
Strong: X = nearly colorless; Y = yellow to green; Z = red to yellow-orange

Dispersion

0.040.05
0.005 1
👆🏻

Transparency

Transparent
-

Refractive Index

1.692-1.7391.885-1.990
1 3.25
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Optic Character

-
-

Crystal System

-
monoclinic

Birefringence

0.2400.105-0.135
0 0.296
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Clarity

Transparent
-

Phosphosiderite and Titanite Optic Character

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

Similar to their colors, Phosphosiderite and Titanite 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.