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Beudantite
Beudantite

Bastnasite
Bastnasite



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Beudantite
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Bastnasite

Beudantite and Bastnasite Optical Properties

1 Optical Properties
1.1 Luster
Vitreous, Resinous
Vitreous, Greasy, Pearly
1.2 Pleochroism
visible
Faint
1.3 Dispersion
NANA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Not Available
Gemmological Tables (2004) More from other references
1.5 Refractive Index
1.9571.717-1.722
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Trigonal
Hexagonal
1.8 Birefringence
0.0140.100
Achroite
0 0.296
1.9 Clarity
Not Available
TransparentUlrich Henn and Claudio C. Milisenda

Beudantite and Bastnasite Optic Character

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

Beudantite and Bastnasite Transparency

Similar to their colors, Beudantite 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, Beudantite is Not Available while Beudantite is Not Available in appearance.