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Londonite
Londonite

Calcite
Calcite



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Londonite
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Calcite

Londonite and Calcite Optical Properties

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1 Optical Properties
1.1 Luster
Vitreous
Vitreous, Pearly
1.2 Pleochroism
Not Available
NilArthur Thomas
1.3 Dispersion
Albite Optical ..
Not Available
Rank: N/A (Overall)
Not Available
Rank: N/A (Overall)
Fluorite Optical Properties
1.4 Transparency
Transparent
Transparent, Translucent
1.5 Refractive Index
Not Available
1.486-1.658
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Not Available
Trigonal
1.8 Birefringence
Not Available
0.154-0.174
1.9 Clarity
Transparent
Transparent

Londonite and Calcite Optic Character

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

Similar to their colors, Londonite and Calcite 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.