Chlorapatite and Cobaltite Optical Properties

Chlorapatite

Cobaltite

Add ⊕

1 Optical Properties

1.1 Luster

Not Available

1.2 Pleochroism

Weak to moderate; in pale colors.Anthony et al

Very weak

1.3 Dispersion

NANA

0.007 1

1.4 Transparency

Transparent

Gems

1.5 Refractive Index

1.665-1.667Not Available

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

Not Available

Orthorhombic Pyramidal H-M Symbol (mm2) Space Group: P ca21

1.8 Birefringence

Not AvailableNot Available

0 0.296

1.9 Clarity

Transparent

Gems

Chlorapatite and Cobaltite Optic Character

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

Compare Green Gemstones

Chlorapatite Vs Chrysoberyl

Chlorapatite Vs Chrysotile

Chlorapatite Vs Chrysoprase

Chlorapatite and Cobaltite Transparency

Similar to their colors, Chlorapatite and Cobaltite 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.