Rhodizite and Friedelite Optical Properties

Rhodizite

Friedelite

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1 Optical Properties

1.1 Luster

Adamantine

Not Available

1.2 Pleochroism

Not Available

NilArthur Thomas

1.3 Dispersion

NANA

0.007 1

1.4 Transparency

Gemmological Tables (2004) More from other references

Translucent

1.5 Refractive Index

1.684-1.6941.627-1.663

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

Not Available

Monoclinic Prismatic H-M Symbol (2/m) Space Group: C 2/m

1.8 Birefringence

Not Available0.032-0.035

0 0.296

1.9 Clarity

TransparentUlrich Henn and Claudio C. Milisenda

Translucent

Rhodizite and Friedelite Optic Character

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

Similar to their colors, Rhodizite and Friedelite 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, Rhodizite is Gemmological Tables (2004) More from other references while Rhodizite is Gemmological Tables (2004) More from other references in appearance.