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Bastnasite and Moissanite Optical Properties

1 Optical Properties
1.1 Luster
Vitreous, Greasy, Pearly
Adamantine
1.2 Pleochroism
Faint
NilArthur Thomas
1.3 Dispersion
Albite Optical ..
Not Available
Rank: N/A (Overall)
0.10
Rank: 5 (Overall)
Fluorite Optical Properties
1.4 Transparency
Gemmological Tables (2004) More from other references
Gemmological Tables (2004) More from other references
1.5 Refractive Index
1.717-1.722
2.648-2.691
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Hexagonal
6H polytype
1.8 Birefringence
0.100
0.043
1.9 Clarity
TransparentUlrich Henn and Claudio C. Milisenda
TransparentUlrich Henn and Claudio C. Milisenda

Bastnasite and Moissanite Optic Character

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

Similar to their colors, Bastnasite and Moissanite 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.