Carletonite and Euclase Optical Properties

Carletonite

Euclase

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1 Optical Properties

1.1 Luster

Vitreous

1.2 Pleochroism

Weak

Weak: colorless-(greenish) yellow

1.3 Dispersion

NA0.02

0.007 1

1.4 Transparency

Gemmological Tables (2004) More from other references

1.5 Refractive Index

1.517-1.5211.650-1.677

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

tetragonal

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

1.8 Birefringence

0.0040.019-0.025

0 0.296

1.9 Clarity

TransparentUlrich Henn and Claudio C. Milisenda

Carletonite and Euclase Optic Character

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

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