Home
×

Jet
Jet

Hematite
Hematite



ADD
Compare
X
Jet
X
Hematite

Jet and Hematite Optical Properties

Jet
Jet
Add ⊕
1 Optical Properties
1.1 Luster
Waxy
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
Gemmological Tables (2004) More from other references
OpaqueHerve Nicolas Lazzarelli, Blue Chart Gem Identification (2010) More from other references
1.5 Refractive Index
1.640-1.680
2.690-3.220
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Amorphous
Trigonal
1.8 Birefringence
Not Available
0.280
1.9 Clarity
Gemmological Tables (2004) More from other references
OpaqueHerve Nicolas Lazzarelli

Jet and Hematite Optic Character

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

Jet and Hematite Transparency

Similar to their colors, Jet 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, Jet is Gemmological Tables (2004) More from other references while Jet is Gemmological Tables (2004) More from other references in appearance.

Let Others Know
×