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Ametrine
Ametrine

Cobaltite
Cobaltite



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Ametrine
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Cobaltite

Ametrine and Cobaltite Optical Properties

1 Optical Properties
1.1 Luster
Vitreous
Not Available
1.2 Pleochroism
Not Available
Very weak
1.3 Dispersion
0.01NA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Transparent
Gems
1.5 Refractive Index
1.544-1.553Not Available
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Trigonal
Orthorhombic Pyramidal H-M Symbol (mm2) Space Group: P ca21
1.8 Birefringence
0.009Not Available
Achroite
0 0.296
1.9 Clarity
Transparent
Gems

Ametrine and Cobaltite Optic Character

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

Ametrine and Cobaltite Transparency

Similar to their colors, Ametrine and Cobaltite 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, Ametrine is Transparent while Ametrine is Transparent in appearance.