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Biotite
Biotite

Moonstone
Moonstone



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Biotite
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Moonstone

Biotite and Moonstone Optical Properties

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1 Optical Properties
1.1 Luster
Vitreous, Pearly
Pearly
1.2 Pleochroism
Strong
AbsentWalter Schumann
1.3 Dispersion
NANone
Fluorite Optical Properties
0.007 1
1.4 Transparency
Not Available
Transparent, Transparent to translucent
1.5 Refractive Index
1.565-1.6251.518-1.527
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
monoclinic
monoclinic
1.8 Birefringence
0.03-0.070.006-0.007
Achroite
0 0.296
1.9 Clarity
Not Available
Transparent

Biotite and Moonstone Optic Character

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

Biotite and Moonstone Transparency

Similar to their colors, Biotite and Moonstone 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, Biotite is Not Available while Biotite is Not Available in appearance.