Musgravite and Sunstone Optical Properties

Musgravite

Sunstone

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1 Optical Properties

1.1 Luster

Vitreous

1.2 Pleochroism

Not Available

Weak or absentWalter Schumann

1.3 Dispersion

NANone

0.007 1

1.4 Transparency

Gemmological Tables (2004)

Transparent, Translucent, Transparent to translucent

1.5 Refractive Index

1.719-1.7391.53-1.55

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

Trigonal

Triclinic

1.8 Birefringence

0.014-0.0160.007-0.010

0 0.296

1.9 Clarity

TransparentUlrich Henn and Claudio C. Milisenda

Transparent to translucent

Musgravite and Sunstone Optic Character

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

Similar to their colors, Musgravite and Sunstone 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, Musgravite is Gemmological Tables (2004) while Musgravite is Gemmological Tables (2004) in appearance.