Shattuckite and Clinochlore Optical Properties

Shattuckite

Clinochlore

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1 Optical Properties

1.1 Luster

Silky

Pearly, Greasy

1.2 Pleochroism

X = very pale blue; Y = pale blue; Z = deep blue

Distinct: light yellow-green to light bluE

1.3 Dispersion

NANA

0.007 1

1.4 Transparency

Translucent

Transparent

1.5 Refractive Index

1.752-1.8151.571-1.597

1 3.25

1.6 Optic Character

Not Available

Biaxial/+

1.7 Crystal System

Orthorhombic

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

1.8 Birefringence

0.063Not Available

0 0.296

1.9 Clarity

Translucent

Transparent

Shattuckite and Clinochlore Optic Character

Shattuckite and Clinochlore optical properties play a significant role while distinguishing these gemstones from each other. These properties are influenced by the Shattuckite and Clinochlore 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 Shattuckite and Clinochlore 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. Clinochlore has Biaxial/+ character.

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Shattuckite and Clinochlore Transparency

Similar to their colors, Shattuckite and Clinochlore 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, Shattuckite is Translucent while Shattuckite is Translucent in appearance.