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Bustamite
Bustamite

Chiastolite
Chiastolite



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Bustamite
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Chiastolite

Bustamite and Chiastolite Optical Properties

1 Optical Properties
1.1 Luster
Vitreous
Not Available
1.2 Pleochroism
Weak
Not Available
1.3 Dispersion
NANA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Transparent, Translucent
Translucent
1.5 Refractive Index
1.662-1.7071.627-1.645
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Triclinic
Not Available
1.8 Birefringence
0.013-0.0150.007-0.013
Achroite
0 0.296
1.9 Clarity
Transparent
Translucent

Bustamite and Chiastolite Optic Character

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

Similar to their colors, Bustamite and Chiastolite 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.