Staurolite and Hauyne Optical Properties

Staurolite

Hauyne

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1 Optical Properties

1.1 Luster

Resinous

Vitreous, Greasy

1.2 Pleochroism

X = colorless; Y = pale yellow; Z = golden yellow

None

1.3 Dispersion

NANA

0.007 1

1.4 Transparency

Blue Chart Gem Identification (2010) More from other references

Not Available

1.5 Refractive Index

1.736-1.7621.50

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

monoclinic

Isometric

1.8 Birefringence

0.009-0.015Not Available

0 0.296

1.9 Clarity

Blue Chart Gem Identification (2010) More from other references

Not Available

Staurolite and Hauyne Optic Character

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

Similar to their colors, Staurolite and Hauyne 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, Staurolite is Blue Chart Gem Identification (2010) More from other references while Staurolite is Blue Chart Gem Identification (2010) More from other references in appearance.