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Boleite
Boleite

London blue topaz
London blue topaz



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Boleite
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London blue topaz

Boleite and London blue topaz Optical Properties

1 Optical Properties
1.1 Luster
Vitreous, Pearly
Not Available
1.2 Pleochroism
Not Available
Not Available
1.3 Dispersion
0.07NA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Transparent
Not Available
1.5 Refractive Index
2.05Not Available
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Isometric
Not Available
1.8 Birefringence
0.010Not Available
Achroite
0 0.296
1.9 Clarity
Transparent
Not Available

Boleite and London blue topaz Optic Character

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

Boleite and London blue topaz Transparency

Similar to their colors, Boleite and London 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, Boleite is Transparent while Boleite is Transparent in appearance.