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Siderite
Siderite

Aragonite
Aragonite



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Siderite
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Aragonite

Siderite and Aragonite Optical Properties

1 Optical Properties
1.1 Luster
Pearly
Vitreous, Resinous
1.2 Pleochroism
Not Available
StrongArthur Thomas
1.3 Dispersion
Albite Optical ..
Not Available
Rank: N/A (Overall)
Not Available
Rank: N/A (Overall)
Fluorite Optical Properties
1.4 Transparency
Transparent, Translucent
Transparent, Translucent
1.5 Refractive Index
1.633-1.875
1.525-1.686
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Trigonal
Orthorhombic
1.8 Birefringence
0.242
0.155
1.9 Clarity
Transparent
Transparent

Siderite and Aragonite Optic Character

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

Similar to their colors, Siderite and Aragonite 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.