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Aventurine
Aventurine

Phosphosiderite
Phosphosiderite



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Phosphosiderite

Aventurine and Phosphosiderite Optical Properties

1 Optical Properties
1.1 Luster
Vitreous
Vitreous
1.2 Pleochroism
AbsentWalter Schumann
Pale rose-red carmine-red colorlessAnthony et al
1.3 Dispersion
Albite Optical ..
None
Rank: N/A (Overall)
Not Available
Rank: N/A (Overall)
Fluorite Optical Properties
1.4 Transparency
Translucent, Opaque . May be translucent when backlit on the edges.
Transparent
1.5 Refractive Index
1.544-1.553
1.692-1.739
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Trigonal
Not Available
1.8 Birefringence
0.007-0.010
0.240
1.9 Clarity
Translucent
Transparent

Aventurine and Phosphosiderite Optic Character

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

Aventurine and Phosphosiderite Transparency

Similar to their colors, Aventurine 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, Aventurine is Opaque . May be translucent when backlit on the edges. and Translucent while Aventurine is Opaque . May be translucent when backlit on the edges. and Translucent in appearance.