Home
×

Gahnospinel
Gahnospinel

Staurolite
Staurolite



ADD
Compare
X
Gahnospinel
X
Staurolite

Gahnospinel and Staurolite Optical Properties

1 Optical Properties
1.1 Luster
Vitreous
Resinous
1.2 Pleochroism
AbsentWalter Schumann
X = colorless; Y = pale yellow; Z = golden yellow
1.3 Dispersion
Albite Optical ..
Not Available
Rank: N/A (Overall)
Not Available
Rank: N/A (Overall)
Fluorite Optical Properties
1.4 Transparency
Gemmological Tables (2004)
Blue Chart Gem Identification (2010) More from other references
1.5 Refractive Index
1.735-1.790
1.736-1.762
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Isometric
monoclinic
1.8 Birefringence
Not Available
0.009-0.015
1.9 Clarity
TransparentUlrich Henn and Claudio C. Milisenda
Blue Chart Gem Identification (2010) More from other references

Gahnospinel and Staurolite Optic Character

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

Gahnospinel and Staurolite Transparency

Similar to their colors, Gahnospinel and Staurolite 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, Gahnospinel is Gemmological Tables (2004) while Gahnospinel is Gemmological Tables (2004) in appearance.