Musgravite and Hurlbutite Optical Properties

Musgravite

Hurlbutite

Add ⊕

1 Optical Properties

1.1 Luster

Vitreous

1.2 Pleochroism

Not Available

1.3 Dispersion

NANA

0.007 1

1.4 Transparency

Gemmological Tables (2004)

Transparent

1.5 Refractive Index

1.719-1.7391.595-1.604

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

Trigonal

Monoclinic Prismatic H-M Symbol (2/m) Space Group: P 21/a

1.8 Birefringence

0.014-0.0160.009

0 0.296

1.9 Clarity

TransparentUlrich Henn and Claudio C. Milisenda

Transparent

Musgravite and Hurlbutite Optic Character

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

Compare Green Gemstones

Musgravite Vs Pargasite

Musgravite Vs Omphacite

Musgravite Vs Pearl

Musgravite and Hurlbutite Transparency

Similar to their colors, Musgravite and Hurlbutite 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.