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Hematite and Larimar Optical Properties


Larimar and Hematite Optical Properties


Optical Properties

Luster
Not Available   
Not Available   

Pleochroism
O = brownish red; E = yellowish red   
Not Available   

Dispersion
Not Available   
Not Available   

Transparency
OpaqueHerve Nicolas Lazzarelli, Blue Chart Gem Identification (2010) More from other references   
Gemmological Tables (2004)   

Refractive Index
2.690-3.220   
1.595-1.645   

Optic Character
Not Available   
Not Available   

Crystal System
Trigonal   
monoclinic   

Birefringence
0.280   
0.032-0.038   

Clarity
OpaqueHerve Nicolas Lazzarelli   
Gemmological Tables (2004)   

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Hematite and Larimar Optic Character

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

Similar to their colors, Hematite and Larimar 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, Hematite is Blue Chart Gem Identification (2010) More from other references and OpaqueHerve Nicolas Lazzarelli while Hematite is Blue Chart Gem Identification (2010) More from other references and OpaqueHerve Nicolas Lazzarelli in appearance.

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