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Witherite
Witherite

London blue topaz
London blue topaz



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Witherite
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London blue topaz

Witherite and London blue topaz Optical Properties

1 Optical Properties
1.1 Luster
Vitreous
Not Available
1.2 Pleochroism
NilArthur Thomas
Not Available
1.3 Dispersion
NANA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Transparent, Translucent
Not Available
1.5 Refractive Index
1.529-1.680Not Available
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Not Available
Not Available
1.8 Birefringence
0.148Not Available
Achroite
0 0.296
1.9 Clarity
Transparent
Not Available

Witherite and London blue topaz Optic Character

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

Witherite and London blue topaz Transparency

Similar to their colors, Witherite 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, Witherite is Translucent and Transparent while Witherite is Translucent and Transparent in appearance.