Chlorapatite and Fire Opal Optical Properties

Chlorapatite

Fire Opal

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1 Optical Properties

1.1 Luster

Not Available

1.2 Pleochroism

Weak to moderate; in pale colors.Anthony et al

AbsentWalter Schumann

1.3 Dispersion

NANone

0.007 1

1.4 Transparency

Transparent

Transparent, Translucent

1.5 Refractive Index

1.665-1.6671.370-1.470

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

Not Available

Amorphous

1.8 Birefringence

Not AvailableNot Available

0 0.296

1.9 Clarity

Transparent

Chlorapatite and Fire Opal Optic Character

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

Similar to their colors, Chlorapatite and Fire Opal 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.