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Bustamite
Bustamite

Carnelian
Carnelian



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Bustamite
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Carnelian

Bustamite and Carnelian Optical Properties

1 Optical Properties
1.1 Luster
Vitreous
Vitreous
1.2 Pleochroism
Weak
AbsentWalter Schumann
1.3 Dispersion
NANone
Fluorite Optical Properties
0.007 1
1.4 Transparency
Transparent, Translucent
Translucent, Transparent to nearly opaque
1.5 Refractive Index
1.662-1.7071.535-1.539
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Triclinic
Trigonal
1.8 Birefringence
0.013-0.0150.003-0.009
Achroite
0 0.296
1.9 Clarity
Transparent
Translucent

Bustamite and Carnelian Optic Character

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

Bustamite and Carnelian Transparency

Similar to their colors, Bustamite and Carnelian 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.