Actinolite and Tigers Eye Optical Properties

Actinolite

Tigers Eye

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1 Optical Properties

1.1 Luster

Vitreous

Silky

1.2 Pleochroism

moderate

Not Available

1.3 Dispersion

NANone

0.007 1

1.4 Transparency

TransparentUlrich Henn and Claudio C. Milisenda, Gemmological Tables (2004) More from other references

Opaque

1.5 Refractive Index

1.613-1.6281.534-1.540

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

monoclinic

Trigonal

1.8 Birefringence

0.0250-0.0270Not Available

0 0.296

1.9 Clarity

TransparentUlrich Henn and Claudio C. Milisenda

Gemstones of the world (2001) More from other references

Actinolite and Tigers Eye Optic Character

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

Similar to their colors, Actinolite and Tigers Eye 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, Actinolite is Gemmological Tables (2004) More from other references and TransparentUlrich Henn and Claudio C. Milisenda while Actinolite is Gemmological Tables (2004) More from other references and TransparentUlrich Henn and Claudio C. Milisenda in appearance.