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Ammolite
Ammolite

Hematite
Hematite



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Ammolite
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Hematite

Ammolite and Hematite Optical Properties

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1 Optical Properties
1.1 Luster
Silky, Vitreous
Not Available
1.2 Pleochroism
None
O = brownish red; E = yellowish red
1.3 Dispersion
Albite Optical ..
Not Available
Rank: N/A (Overall)
Not Available
Rank: N/A (Overall)
Fluorite Optical Properties
1.4 Transparency
Not Available
OpaqueHerve Nicolas Lazzarelli, Blue Chart Gem Identification (2010) More from other references
1.5 Refractive Index
1.520-1.670
2.690-3.220
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Trigonal
Trigonal
1.8 Birefringence
0.135-0.145
0.280
1.9 Clarity
Not Available
OpaqueHerve Nicolas Lazzarelli

Ammolite and Hematite Optic Character

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

Ammolite and Hematite Transparency

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

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