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Carletonite
Carletonite

Dallasite
Dallasite



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Carletonite
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Dallasite

Carletonite and Dallasite Optical Properties

1 Optical Properties
1.1 Luster
Vitreous
Not Available
1.2 Pleochroism
Weak
Not Available
1.3 Dispersion
NANA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Gemmological Tables (2004) More from other references
Not Available
1.5 Refractive Index
1.517-1.5211.540
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
tetragonal
Not Available
1.8 Birefringence
0.0040.008-0.010
Achroite
0 0.296
1.9 Clarity
TransparentUlrich Henn and Claudio C. Milisenda
Not Available

Carletonite and Dallasite Optic Character

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

Carletonite and Dallasite Transparency

Similar to their colors, Carletonite and Dallasite 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, Carletonite is Gemmological Tables (2004) More from other references while Carletonite is Gemmological Tables (2004) More from other references in appearance.