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Grossular Garnet
Grossular Garnet

Bastnasite
Bastnasite



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Grossular Garnet
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Bastnasite

Grossular Garnet and Bastnasite Optical Properties

1 Optical Properties
1.1 Luster
Vitreous, Adamantine
Vitreous, Greasy, Pearly
1.2 Pleochroism
Not Available
Faint
1.3 Dispersion
NANA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Transparent
Gemmological Tables (2004) More from other references
1.5 Refractive Index
1.738-1.7451.717-1.722
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Isometric
Hexagonal
1.8 Birefringence
Not Available0.100
Achroite
0 0.296
1.9 Clarity
Transparent
TransparentUlrich Henn and Claudio C. Milisenda

Grossular Garnet and Bastnasite Optic Character

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

Grossular Garnet and Bastnasite Transparency

Similar to their colors, Grossular Garnet 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, Grossular Garnet is Transparent while Grossular Garnet is Transparent in appearance.