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Baddeleyite and Hematite Optical Properties


Hematite and Baddeleyite Optical Properties


Optical Properties

Luster
Adamantine   
Not Available   

Pleochroism
DistinctArthur Thomas   
O = brownish red; E = yellowish red   

Dispersion
Not Available   
Not Available   

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

Refractive Index
2.13-2.20   
2.690-3.220   

Optic Character
Not Available   
Not Available   

Crystal System
Monoclinic Prismatic H-M Symbol (2/m) Space Group: P 21/c   
Trigonal   

Birefringence
0.07   
0.280   

Clarity
Transparent   
OpaqueHerve Nicolas Lazzarelli   

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Baddeleyite and Hematite Optic Character

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

Similar to their colors, Baddeleyite 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, Baddeleyite is Transparent while Baddeleyite is Transparent in appearance.

Brown Gemstones

Brown Gemstones


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