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Jelly Opal
Jelly Opal

Hematite
Hematite



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Jelly Opal
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Hematite

Jelly Opal and Hematite Optical Properties

1 Optical Properties
1.1 Luster
Not Available
Not Available
1.2 Pleochroism
Not Available
O = brownish red; E = yellowish red
1.3 Dispersion
NoneNA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Not Available
OpaqueHerve Nicolas Lazzarelli, Blue Chart Gem Identification (2010) More from other references
1.5 Refractive Index
1.37-1.522.690-3.220
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Not Available
Trigonal
1.8 Birefringence
Not Available0.280
Achroite
0 0.296
1.9 Clarity
Not Available
OpaqueHerve Nicolas Lazzarelli

Jelly Opal and Hematite Optic Character

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

Jelly Opal and Hematite Transparency

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