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Bustamite
Bustamite

Chrysoberyl
Chrysoberyl



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Bustamite
X
Chrysoberyl

Bustamite and Chrysoberyl Optical Properties

1 Optical Properties
1.1 Luster
Vitreous
Vitreous
1.2 Pleochroism
Weak
X = red; Y = yellow-orange; Z = emerald-green
1.3 Dispersion
NA0.02
Fluorite Optical Properties
0.007 1
1.4 Transparency
Transparent, Translucent
Transparent, Translucent, Transparent to translucent
1.5 Refractive Index
1.662-1.7071.746-1.763
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Biaxial/+
1.7 Crystal System
Triclinic
Orthorhombic
1.8 Birefringence
0.013-0.0150.007-0.013
Achroite
0 0.296
1.9 Clarity
Transparent
Transparent

Bustamite and Chrysoberyl Optic Character

Bustamite and Chrysoberyl optical properties play a significant role while distinguishing these gemstones from each other. These properties are influenced by the Bustamite and Chrysoberyl 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 Bustamite and Chrysoberyl 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. Chrysoberyl has Biaxial/+ character.

Bustamite and Chrysoberyl Transparency

Similar to their colors, Bustamite and Chrysoberyl 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, Bustamite is Translucent and Transparent while Bustamite is Translucent and Transparent in appearance.