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Fire Agate
Fire Agate

Hematite
Hematite



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Fire Agate
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Hematite

Fire Agate and Hematite Optical Properties

1 Optical Properties
1.1 Luster
Waxy, Vitreous, Greasy, Silky
Not Available
1.2 Pleochroism
AbsentWalter Schumann
O = brownish red; E = yellowish red
1.3 Dispersion
Albite Optical ..
None
Rank: N/A (Overall)
Not Available
Rank: N/A (Overall)
Fluorite Optical Properties
1.4 Transparency
Translucent
OpaqueHerve Nicolas Lazzarelli, Blue Chart Gem Identification (2010) More from other references
1.5 Refractive Index
1.530-1.543
2.690-3.220
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Trigonal
Trigonal
1.8 Birefringence
0.003-0.009
0.280
1.9 Clarity
Translucent
OpaqueHerve Nicolas Lazzarelli

Fire Agate and Hematite Optic Character

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

Fire Agate and Hematite Transparency

Similar to their colors, Fire Agate 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, Fire Agate is Translucent while Fire Agate is Translucent in appearance.