Clinozoisite and Euclase Optical Properties

Clinozoisite

Euclase

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1 Optical Properties

1.1 Luster

Vitreous

1.2 Pleochroism

StrongArthur Thomas

Weak: colorless-(greenish) yellow

1.3 Dispersion

NA0.02

0.007 1

1.4 Transparency

Transparent

Gemmological Tables (2004) More from other references

1.5 Refractive Index

1.670-1.7341.650-1.677

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

monoclinic

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

1.8 Birefringence

0.006-0.0110.019-0.025

0 0.296

1.9 Clarity

Transparent

TransparentUlrich Henn and Claudio C. Milisenda

Clinozoisite and Euclase Optic Character

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

Similar to their colors, Clinozoisite and Euclase 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, Clinozoisite is Transparent while Clinozoisite is Transparent in appearance.