Home
×

Aventurine
Aventurine

Dumortierite
Dumortierite



ADD
Compare
X
Aventurine
X
Dumortierite

Aventurine and Dumortierite Optical Properties

1 Optical Properties
1.1 Luster
Vitreous
Vitreous
1.2 Pleochroism
AbsentWalter Schumann
Strong; X = deep blue or violet; Y = yellow to red-violet or nearly colorless; Z = colorless or very pale blue
1.3 Dispersion
Albite Optical ..
None
Rank: N/A (Overall)
None
Rank: N/A (Overall)
Fluorite Optical Properties
1.4 Transparency
Translucent, Opaque . May be translucent when backlit on the edges.
Translucent, Translucent to opaque
1.5 Refractive Index
1.544-1.553
1.669-1.723
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Trigonal
Orthorhombic
1.8 Birefringence
0.007-0.010
0.011-0.037
1.9 Clarity
Translucent
Translucent

Aventurine and Dumortierite Optic Character

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

Aventurine and Dumortierite Transparency

Similar to their colors, Aventurine and Dumortierite 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, Aventurine is Opaque . May be translucent when backlit on the edges. and Translucent while Aventurine is Opaque . May be translucent when backlit on the edges. and Translucent in appearance.