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Hardystonite
Hardystonite

Swiss blue topaz
Swiss blue topaz



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Hardystonite
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Swiss blue topaz

Hardystonite and Swiss blue topaz Optical Properties

1 Optical Properties
1.1 Luster
Vitreous, Resinous, Greasy
Not Available
1.2 Pleochroism
Not Available
Not Available
1.3 Dispersion
NANA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Handbook of mineralogy (2001)
Not Available
1.5 Refractive Index
1.672Not Available
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
tetragonal
Not Available
1.8 Birefringence
Not AvailableNot Available
Achroite
0 0.296
1.9 Clarity
Handbook of mineralogy (2001)
Not Available

Hardystonite and Swiss blue topaz Optic Character

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

Hardystonite and Swiss blue topaz Transparency

Similar to their colors, Hardystonite and Swiss blue topaz 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, Hardystonite is Handbook of mineralogy (2001) while Hardystonite is Handbook of mineralogy (2001) in appearance.