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Siderite
Siderite

Povondraite
Povondraite



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Siderite
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Povondraite

Siderite and Povondraite Optical Properties

1 Optical Properties
1.1 Luster
Pearly
Resinous
1.2 Pleochroism
Not Available
Strong: yellow-brown
1.3 Dispersion
NANA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Transparent, Translucent
Translucent
1.5 Refractive Index
1.633-1.875Not Available
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Trigonal
Not Available
1.8 Birefringence
0.242Not Available
Achroite
0 0.296
1.9 Clarity
Transparent
Translucent

Siderite and Povondraite Optic Character

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

Siderite and Povondraite Transparency

Similar to their colors, Siderite and Povondraite 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, Siderite is Translucent and Transparent while Siderite is Translucent and Transparent in appearance.