Home
×

Aventurine
Aventurine

Hematite
Hematite



ADD
Compare
X
Aventurine
X
Hematite

Aventurine and Hematite Optical Properties

1 Optical Properties
1.1 Luster
Vitreous
Not Available
1.2 Pleochroism
AbsentWalter Schumann
O = brownish red; E = yellowish red
1.3 Dispersion
Albite Optical ..
None
Rank: N/A (Overall)
Not Available
Rank: N/A (Overall)
Fluorite Optical Properties
1.4 Transparency
Translucent, Opaque . May be translucent when backlit on the edges.
OpaqueHerve Nicolas Lazzarelli, Blue Chart Gem Identification (2010) More from other references
1.5 Refractive Index
1.544-1.553
2.690-3.220
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Trigonal
Trigonal
1.8 Birefringence
0.007-0.010
0.280
1.9 Clarity
Translucent
OpaqueHerve Nicolas Lazzarelli

Aventurine and Hematite Optic Character

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

Similar to their colors, Aventurine and Hematite 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.