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Amethyst
Amethyst

Carletonite
Carletonite



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Amethyst
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Carletonite

Amethyst and Carletonite Optical Properties

1 Optical Properties
1.1 Luster
Vitreous
Vitreous
1.2 Pleochroism
None
Weak
1.3 Dispersion
0.01NA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Transparent, Transparent to translucent
Gemmological Tables (2004) More from other references
1.5 Refractive Index
1.544-1.5531.517-1.521
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Trigonal
tetragonal
1.8 Birefringence
0.0090.004
Achroite
0 0.296
1.9 Clarity
Transparent
TransparentUlrich Henn and Claudio C. Milisenda

Amethyst and Carletonite Optic Character

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

Amethyst and Carletonite Transparency

Similar to their colors, Amethyst and Carletonite 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, Amethyst is Transparent and Transparent to translucent while Amethyst is Transparent and Transparent to translucent in appearance.