Morganite and Cryolite Optical Properties

Morganite

Cryolite

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1 Optical Properties

1.1 Luster

Vitreous

Vitreous, Greasy, Pearly

1.2 Pleochroism

Distinct: pale pink bluish-pinkHerve Nicolas Lazzarelli

colorless.

1.3 Dispersion

NANA

0.007 1

1.4 Transparency

Transparent, Translucent, Transparent to translucent

Gemmological Tables (2004) More from other references

1.5 Refractive Index

1.573-1.6001.338-1.339

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

Hexagonal

monoclinic

1.8 Birefringence

0.005-0.0090.001

0 0.296

1.9 Clarity

Transparent to translucent

TransparentUlrich Henn and Claudio C. Milisenda

Morganite and Cryolite Optic Character

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

Similar to their colors, Morganite and Cryolite 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, Morganite is Translucent, Transparent and Transparent to translucent while Morganite is Translucent, Transparent and Transparent to translucent in appearance.