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Andalusite
Andalusite

Azure malachite
Azure malachite



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Andalusite
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Azure malachite

Andalusite and Azure malachite Optical Properties

1 Optical Properties
1.1 Luster
Vitreous, Greasy
Not Available
1.2 Pleochroism
strongly trichroic
Not Available
1.3 Dispersion
0.02NA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Transparent, Translucent
Not Available
1.5 Refractive Index
1.627-1.650Not Available
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Orthorhombic
Not Available
1.8 Birefringence
0.009-0.010Not Available
Achroite
0 0.296
1.9 Clarity
Transparent
Not Available

Andalusite and Azure malachite Optic Character

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

Andalusite and Azure malachite Transparency

Similar to their colors, Andalusite and Azure malachite 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, Andalusite is Translucent and Transparent while Andalusite is Translucent and Transparent in appearance.