Bustamite and Super Seven Crystals Optical Properties

Bustamite

Super Seven Crystals

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1 Optical Properties

1.1 Luster

Vitreous

Vitreous, Pearly, Silky

1.2 Pleochroism

Weak

Not Available

1.3 Dispersion

NANA

0.007 1

1.4 Transparency

Transparent, Translucent

Transparent, Translucent, Opaque

1.5 Refractive Index

1.662-1.7071.519-1.521

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

Triclinic

monoclinic

1.8 Birefringence

0.013-0.0150.0090-0.0100

0 0.296

1.9 Clarity

Transparent

Not Available

Bustamite and Super Seven Crystals Optic Character

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

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Bustamite and Super Seven Crystals Transparency

Similar to their colors, Bustamite and Super Seven Crystals 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.