×

Aragonite
Aragonite

Andalusite
Andalusite



ADD
Compare
X
Aragonite
X
Andalusite

Aragonite and Andalusite Optical Properties

1 Optical Properties
1.1 Luster
Vitreous, Resinous
Vitreous, Greasy
1.2 Pleochroism
StrongArthur Thomas
strongly trichroic
1.3 Dispersion
NA0.02
Fluorite Optical Properties
0.007 1
1.4 Transparency
Transparent, Translucent
Transparent, Translucent
1.5 Refractive Index
1.525-1.6861.627-1.650
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Orthorhombic
Orthorhombic
1.8 Birefringence
0.1550.009-0.010
Achroite
0 0.296
1.9 Clarity
Transparent
Transparent

Aragonite and Andalusite Optic Character

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

Aragonite and Andalusite Transparency

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