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Phlogopite
Phlogopite

Andradite Garnet
Andradite Garnet



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Phlogopite
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Andradite Garnet

Phlogopite and Andradite Garnet Optical Properties

1 Optical Properties
1.1 Luster
Pearly
Adamantine
1.2 Pleochroism
Not Available
Not Available
1.3 Dispersion
NANA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Not Available
Transparent, Opaque, Transparent to opaque
1.5 Refractive Index
1.530-1.5731.888-1.889
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
monoclinic
Isometric
1.8 Birefringence
0.0280-0.0450Not Available
Achroite
0 0.296
1.9 Clarity
Not Available
Transparent to opaque

Phlogopite and Andradite Garnet Optic Character

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

Phlogopite and Andradite Garnet Transparency

Similar to their colors, Phlogopite and Andradite Garnet 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, Phlogopite is Not Available while Phlogopite is Not Available in appearance.