Staurolite and Serendibite Optical Properties

Staurolite

Serendibite

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1 Optical Properties

1.1 Luster

Resinous

Vitreous

1.2 Pleochroism

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

visible

1.3 Dispersion

NANA

0.007 1

1.4 Transparency

Blue Chart Gem Identification (2010) More from other references

Gemmological Tables (2004) More from other references

1.5 Refractive Index

1.736-1.7621.696-1.702

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

monoclinic

Triclinic

1.8 Birefringence

0.009-0.0150.005

0 0.296

1.9 Clarity

Blue Chart Gem Identification (2010) More from other references

TransparentUlrich Henn and Claudio C. Milisenda

Staurolite and Serendibite Optic Character

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

Similar to their colors, Staurolite and Serendibite 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.