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Foitite
Foitite

Aquamarine
Aquamarine



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Foitite
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Aquamarine

Foitite and Aquamarine Optical Properties

1 Optical Properties
1.1 Luster
Vitreous
Vitreous
1.2 Pleochroism
Strong: pale lavender dark blueAnthony et al
Not Available
1.3 Dispersion
NA0.01
Fluorite Optical Properties
0.007 1
1.4 Transparency
TranslucentAnthony et al, Translucent
Transparent, Translucent, Transparent to translucent
1.5 Refractive Index
Not Available1.570-1.592
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Trigonal Ditrigonal Pyramidal H-M Symbol (3m) Space Group: R 3m
Hexagonal
1.8 Birefringence
Not Available0.005-0.009
Achroite
0 0.296
1.9 Clarity
TranslucentAnthony et al
Transparent to translucent

Foitite and Aquamarine Optic Character

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

Foitite and Aquamarine Transparency

Similar to their colors, Foitite and Aquamarine 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, Foitite is Translucent and TranslucentAnthony et al while Foitite is Translucent and TranslucentAnthony et al in appearance.