×

Topaz
Topaz

Londonite
Londonite



ADD
Compare
X
Topaz
X
Londonite

Topaz and Londonite Optical Properties

Add ⊕
1 Optical Properties
1.1 Luster
Vitreous
Vitreous
1.2 Pleochroism
Weak
Not Available
1.3 Dispersion
0.01NA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Transparent
Transparent
1.5 Refractive Index
1.606-1.644Not Available
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Orthorhombic
Not Available
1.8 Birefringence
0.008-0.011Not Available
Achroite
0 0.296
1.9 Clarity
TransparentUlrich Henn and Claudio C. Milisenda
Transparent

Topaz and Londonite Optic Character

Topaz and Londonite optical properties play a significant role while distinguishing these gemstones from each other. These properties are influenced by the Topaz and Londonite 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 Topaz and Londonite 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.

Topaz and Londonite Transparency

Similar to their colors, Topaz and Londonite 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, Topaz is Transparent while Topaz is Transparent in appearance.