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Amazonite and Hematite Optical Properties


Hematite and Amazonite Optical Properties


Optical Properties

Luster
Vitreous   
Not Available   

Pleochroism
WeakMichael O’Donoghue   
O = brownish red; E = yellowish red   

Dispersion
Not Available   
Not Available   

Transparency
Translucent, Translucent to opaque   
OpaqueHerve Nicolas Lazzarelli, Blue Chart Gem Identification (2010) More from other references   

Refractive Index
1.522-1.530   
2.690-3.220   

Optic Character
Not Available   
Not Available   

Crystal System
Triclinic   
Trigonal   

Birefringence
0.008-0.010   
0.280   

Clarity
Translucent   
OpaqueHerve Nicolas Lazzarelli   

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Amazonite and Hematite Optic Character

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

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Amazonite and Hematite Transparency

Similar to their colors, Amazonite and Hematite 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, Amazonite is Translucent and Translucent to opaque while Amazonite is Translucent and Translucent to opaque in appearance.

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