Musgravite and Fayalite Optical Properties

Musgravite

Fayalite

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1 Optical Properties

1.1 Luster

Vitreous

Vitreous, Resinous

1.2 Pleochroism

Not Available

Faint

1.3 Dispersion

NANA

0.007 1

1.4 Transparency

Gemmological Tables (2004)

TransparentAnthony et al, Handbook of mineralogy (2001)

1.5 Refractive Index

1.719-1.7391.827-1.879

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

Trigonal

Orthorhombic

1.8 Birefringence

0.014-0.0160.042-0.051

0 0.296

1.9 Clarity

TransparentUlrich Henn and Claudio C. Milisenda

TransparentAnthony et al

Musgravite and Fayalite Optic Character

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

Similar to their colors, Musgravite and Fayalite 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.