Morion and Mellite Optical Properties

Morion

Mellite

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1 Optical Properties

1.1 Luster

Not Available

Vitreous

1.2 Pleochroism

Definite: brown reddish-brownWalter Schumann

Weak: yellowish brown yellowAnthony et al

1.3 Dispersion

0.01NA

0.007 1

1.4 Transparency

Transparent, Translucent

Gemmological Tables (2004) More from other references

1.5 Refractive Index

1.544-1.5531.509-1.541

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

Not Available

1.8 Birefringence

0.0090.030

0 0.296

1.9 Clarity

Transparent

TransparentUlrich Henn and Claudio C. Milisenda

Morion and Mellite Optic Character

Morion and Mellite optical properties play a significant role while distinguishing these gemstones from each other. These properties are influenced by the Morion and Mellite 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 Morion and Mellite 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 Blue Gemstones

Morion Vs Pearl

Morion Vs Pezzottaite

Morion Vs Papagoite

Morion and Mellite Transparency

Similar to their colors, Morion and Mellite 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, Morion is Translucent and Transparent while Morion is Translucent and Transparent in appearance.