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Chrome-Chalcedony
Chrome-Chalcedony

Holmquistite
Holmquistite



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Chrome-Chalcedony
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Holmquistite

Chrome-Chalcedony and Holmquistite Optical Properties

1 Optical Properties
1.1 Luster
Waxy
Vitreous
1.2 Pleochroism
Not Available
Strong in shades of violet when dark-colored.Anthony et al
1.3 Dispersion
NANA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Translucent
Transparent
1.5 Refractive Index
1.530-1.5431.622-1.666
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Not Available
Orthorhombic Dipyramidal H-M Symbol (2/m 2/m 2/m) Space Group: P nma
1.8 Birefringence
0.003-0.009Not Available
Achroite
0 0.296
1.9 Clarity
Translucent
Transparent

Chrome-Chalcedony and Holmquistite Optic Character

Chrome-Chalcedony and Holmquistite optical properties play a significant role while distinguishing these gemstones from each other. These properties are influenced by the Chrome-Chalcedony and Holmquistite 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 Chrome-Chalcedony and Holmquistite 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.

Chrome-Chalcedony and Holmquistite Transparency

Similar to their colors, Chrome-Chalcedony and Holmquistite 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, Chrome-Chalcedony is Translucent while Chrome-Chalcedony is Translucent in appearance.