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Zircon
Zircon

Hematite
Hematite



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Zircon
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Hematite

Zircon and Hematite Optical Properties

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1 Optical Properties
1.1 Luster
Adamantine
Not Available
1.2 Pleochroism
Weak
O = brownish red; E = yellowish red
1.3 Dispersion
0.04NA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Transparent
OpaqueHerve Nicolas Lazzarelli, Blue Chart Gem Identification (2010) More from other references
1.5 Refractive Index
1.810-2.0242.690-3.220
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
tetragonal
Trigonal
1.8 Birefringence
0.047-0.0550.280
Achroite
0 0.296
1.9 Clarity
Transparent
OpaqueHerve Nicolas Lazzarelli

Zircon and Hematite Optic Character

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

Zircon and Hematite Transparency

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