Atacamite and Apache Tear Optical Properties

Atacamite

Apache Tear

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1 Optical Properties

1.1 Luster

Adamantine, Vitreous

Not Available

1.2 Pleochroism

X = pale green; Y = yellow-green; Z = grass-green

Not Available

1.3 Dispersion

NANA

0.007 1

1.4 Transparency

Not Available

1.5 Refractive Index

1.831Not Available

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

Orthorhombic

Amorphous

1.8 Birefringence

0.049Not Available

0 0.296

1.9 Clarity

Not Available

Atacamite and Apache Tear Optic Character

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

Similar to their colors, Atacamite and Apache Tear 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, Atacamite is Not Available while Atacamite is Not Available in appearance.