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Lepidolite
Lepidolite

Phosphosiderite
Phosphosiderite



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X
Lepidolite
X
Phosphosiderite

Lepidolite and Phosphosiderite Optical Properties

1 Optical Properties
1.1 Luster
Vitreous, Pearly
Vitreous
1.2 Pleochroism
X = almost colorless; Y = Z = pink
Pale rose-red carmine-red colorlessAnthony et al
1.3 Dispersion
NANA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Transparent
Transparent
1.5 Refractive Index
1.525-1.5871.692-1.739
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Triclinic
Not Available
1.8 Birefringence
0.0290-0.03800.240
Achroite
0 0.296
1.9 Clarity
Transparent
Transparent

Lepidolite and Phosphosiderite Optic Character

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

Lepidolite and Phosphosiderite Transparency

Similar to their colors, Lepidolite and Phosphosiderite 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, Lepidolite is Transparent while Lepidolite is Transparent in appearance.