Home
×

Tourmaline
Tourmaline

Aragonite
Aragonite



ADD
Compare
X
Tourmaline
X
Aragonite

Tourmaline and Aragonite Optical Properties

1 Optical Properties
1.1 Luster
Vitreous
Vitreous, Resinous
1.2 Pleochroism
typically moderate to strong
StrongArthur Thomas
1.3 Dispersion
Albite Optical ..
0.02
Rank: 22 (Overall)
Not Available
Rank: N/A (Overall)
Fluorite Optical Properties
1.4 Transparency
Transparent, Translucent, Transparent to opaque
Transparent, Translucent
1.5 Refractive Index
1.614-1.666
1.525-1.686
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Trigonal
Orthorhombic
1.8 Birefringence
0.014-0.040
0.155
1.9 Clarity
Transparent
Transparent

Tourmaline and Aragonite Optic Character

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

Tourmaline and Aragonite Transparency

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

Let Others Know
×