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Kashmir sapphire
Kashmir sapphire

Hematite
Hematite



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Kashmir sapphire
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Hematite

Kashmir sapphire 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
NANA
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
Not Available2.690-3.220
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

Kashmir sapphire and Hematite Optic Character

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

Kashmir sapphire and Hematite Transparency

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