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Bertrandite
Bertrandite

Garnet Malaia
Garnet Malaia



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Bertrandite
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Garnet Malaia

Bertrandite and Garnet Malaia Optical Properties

1 Optical Properties
1.1 Luster
Vitreous
Not Available
1.2 Pleochroism
none.
Not Available
1.3 Dispersion
NANA
Fluorite Optical Properties
0.007 1
1.4 Transparency
TransparentAnthony et al, Handbook of mineralogy (2001)
Not Available
1.5 Refractive Index
1.583-1.6141.73-1.81
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Orthorhombic Pyramidal H-M Symbol (mm2) Space Group: Ccm21
Isometric
1.8 Birefringence
Not AvailableNot Available
Achroite
0 0.296
1.9 Clarity
TransparentAnthony et al
Color grading system

Bertrandite and Garnet Malaia Optic Character

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

Bertrandite and Garnet Malaia Transparency

Similar to their colors, Bertrandite and Garnet Malaia 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, Bertrandite is Handbook of mineralogy (2001) and TransparentAnthony et al while Bertrandite is Handbook of mineralogy (2001) and TransparentAnthony et al in appearance.