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Aventurine
Aventurine

Ametrine
Ametrine



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Aventurine
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Ametrine

Aventurine and Ametrine Optical Properties

1 Optical Properties
1.1 Luster
Vitreous
Vitreous
1.2 Pleochroism
AbsentWalter Schumann
Not Available
1.3 Dispersion
None0.01
Fluorite Optical Properties
0.007 1
1.4 Transparency
Translucent, Opaque . May be translucent when backlit on the edges.
Transparent
1.5 Refractive Index
1.544-1.5531.544-1.553
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Trigonal
Trigonal
1.8 Birefringence
0.007-0.0100.009
Achroite
0 0.296
1.9 Clarity
Translucent
Transparent

Aventurine and Ametrine Optic Character

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

Similar to their colors, Aventurine and Ametrine 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.