×

Bastnasite
Bastnasite

Kornerupine
Kornerupine



ADD
Compare
X
Bastnasite
X
Kornerupine

Bastnasite and Kornerupine Optical Properties

1 Optical Properties
1.1 Luster
Vitreous, Greasy, Pearly
Vitreous
1.2 Pleochroism
Faint
X = colorless to green; Y = colorless
1.3 Dispersion
NA0.02
Fluorite Optical Properties
0.007 1
1.4 Transparency
Gemmological Tables (2004) More from other references
Gemmological Tables (2004) More from other references
1.5 Refractive Index
1.717-1.7221.660-1.685
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Hexagonal
Orthorhombic
1.8 Birefringence
0.1000.012-0.017
Achroite
0 0.296
1.9 Clarity
TransparentUlrich Henn and Claudio C. Milisenda
TransparentUlrich Henn and Claudio C. Milisenda

Bastnasite and Kornerupine Optic Character

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

Bastnasite and Kornerupine Transparency

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