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Pezzotaite and Hematite Optical Properties


Hematite and Pezzotaite Optical Properties


Optical Properties

Luster
Not Available   
Not Available   

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

Dispersion
Not Available   
Not Available   

Transparency
Not Available   
OpaqueHerve Nicolas Lazzarelli, Blue Chart Gem Identification (2010) More from other references   

Refractive Index
1.60-1.61   
2.690-3.220   

Optic Character
Not Available   
Not Available   

Crystal System
Trigonal   
Trigonal   

Birefringence
Not Available   
0.280   

Clarity
Color grading system   
OpaqueHerve Nicolas Lazzarelli   

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Pezzotaite and Hematite Optic Character

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

Similar to their colors, Pezzotaite 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, Pezzotaite is Not Available while Pezzotaite is Not Available in appearance.

Red Gemstones

Red Gemstones


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