Hackmanite and Apache Tear Optical Properties

Hackmanite

Apache Tear

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1 Optical Properties

1.1 Luster

Vitreous

Not Available

1.2 Pleochroism

Not Available

1.3 Dispersion

NANA

0.007 1

1.4 Transparency

Gemmological Tables (2004)

Not Available

1.5 Refractive Index

1.483-1.487Not Available

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

Not Available

Hackmanite and Apache Tear Optic Character

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

Similar to their colors, Hackmanite 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, Hackmanite is Gemmological Tables (2004) while Hackmanite is Gemmological Tables (2004) in appearance.