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Londonite
Londonite

Achroite
Achroite



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Londonite
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Achroite

Londonite and Achroite Optical Properties

1 Optical Properties
1.1 Luster
Vitreous
Not Available
1.2 Pleochroism
Not Available
Not Available
1.3 Dispersion
NA0.02
Fluorite Optical Properties
0.007 1
1.7 Transparency
Transparent
Transparent, Translucent
1.8 Refractive Index
Not Available1.614-1.666
Agate Opal
1 3.25
1.10 Optic Character
Not Available
Not Available
1.11 Crystal System
Not Available
Not Available
1.12 Birefringence
Not Available0.014-0.040
Ammolite
0 0.296
1.13 Clarity
Transparent
Transparent

Londonite and Achroite Optic Character

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

Londonite and Achroite Transparency

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