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Ajoite
Ajoite

Sillimanite
Sillimanite



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Ajoite
X
Sillimanite

Ajoite and Sillimanite Optical Properties

1 Optical Properties
1.1 Luster
Vitreous
Vitreous, Subadamantine, Silky
1.2 Pleochroism
X: very light bluish green; Y and Z: brilliant bluish green
Colourless to pale brown to yellow
1.3 Dispersion
NANA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Not Available
Transparent, Translucent
1.5 Refractive Index
1.5501.653-1.685
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Triclinic
Orthorhombic
1.8 Birefringence
0.0910.020-0.022
Achroite
0 0.296
1.9 Clarity
Not Available
Transparent

Ajoite and Sillimanite Optic Character

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

Ajoite and Sillimanite Transparency

Similar to their colors, Ajoite and Sillimanite 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, Ajoite is Not Available while Ajoite is Not Available in appearance.