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Goshenite
Goshenite

Bastnasite
Bastnasite



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Goshenite and Bastnasite Optical Properties

1 Optical Properties
1.1 Luster
Vitreous
Vitreous, Greasy, Pearly
1.2 Pleochroism
Not Available
Faint
1.3 Dispersion
Albite Optical ..
0.01
Rank: 26 (Overall)
Not Available
Rank: N/A (Overall)
Fluorite Optical Properties
1.4 Transparency
Transparent
Gemmological Tables (2004) More from other references
1.5 Refractive Index
1.562-1.615
1.717-1.722
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Hexagonal
Hexagonal
1.8 Birefringence
0.003-0.010
0.100
1.9 Clarity
Transparent
TransparentUlrich Henn and Claudio C. Milisenda

Goshenite and Bastnasite Optic Character

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

Goshenite and Bastnasite Transparency

Similar to their colors, Goshenite and Bastnasite 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, Goshenite is Transparent while Goshenite is Transparent in appearance.