Chlorapatite and Shattuckite Optical Properties

Chlorapatite

Shattuckite

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1 Optical Properties

1.1 Luster

Not Available

Silky

1.2 Pleochroism

Weak to moderate; in pale colors.Anthony et al

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

1.3 Dispersion

NANA

0.007 1

1.4 Transparency

Transparent

Translucent

1.5 Refractive Index

1.665-1.6671.752-1.815

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

Not Available

Orthorhombic

1.8 Birefringence

Not Available0.063

0 0.296

1.9 Clarity

Transparent

Translucent

Chlorapatite and Shattuckite Optic Character

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

Similar to their colors, Chlorapatite and Shattuckite 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, Chlorapatite is Transparent while Chlorapatite is Transparent in appearance.