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Swiss blue topaz
Swiss blue topaz

Holmquistite
Holmquistite



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Swiss blue topaz
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Holmquistite

Swiss blue topaz and Holmquistite Optical Properties

1 Optical Properties
1.1 Luster
Not Available
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
Not Available
Transparent
1.5 Refractive Index
Not Available1.622-1.666
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
Not AvailableNot Available
Achroite
0 0.296
1.9 Clarity
Not Available
Transparent

Swiss blue topaz and Holmquistite Optic Character

Swiss blue topaz and Holmquistite optical properties play a significant role while distinguishing these gemstones from each other. These properties are influenced by the Swiss blue topaz 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 Swiss blue topaz 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.

Swiss blue topaz and Holmquistite Transparency

Similar to their colors, Swiss blue topaz 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, Swiss blue topaz is Not Available while Swiss blue topaz is Not Available in appearance.