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Diaspore
Diaspore

Siderite
Siderite



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Diaspore
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Siderite

Diaspore and Siderite Optical Properties

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1 Optical Properties
1.1 Luster
Pearly
Pearly
1.2 Pleochroism
Strong
Not Available
1.3 Dispersion
NANA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Transparent
Transparent, Translucent
1.5 Refractive Index
1.702-1.7501.633-1.875
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Orthorhombic
Trigonal
1.8 Birefringence
0.0480.242
Achroite
0 0.296
1.9 Clarity
Transparent
Transparent

Diaspore and Siderite Optic Character

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

Diaspore and Siderite Transparency

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