Musgravite and Shattuckite Optical Properties

Musgravite

Shattuckite

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1 Optical Properties

1.1 Luster

Vitreous

Silky

1.2 Pleochroism

Not Available

X = very pale blue; Y = pale blue; Z = deep blue

1.3 Dispersion

NANA

0.007 1

1.4 Transparency

Gemmological Tables (2004)

Translucent

1.5 Refractive Index

1.719-1.7391.752-1.815

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

Trigonal

Orthorhombic

1.8 Birefringence

0.014-0.0160.063

0 0.296

1.9 Clarity

TransparentUlrich Henn and Claudio C. Milisenda

Translucent

Musgravite and Shattuckite Optic Character

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

Similar to their colors, Musgravite and Shattuckite 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.