Staurolite and Fuchsite Optical Properties

Staurolite

Fuchsite

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1 Optical Properties

1.1 Luster

Resinous

Vitreous, Pearly

1.2 Pleochroism

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

Not Available

1.3 Dispersion

NANA

0.007 1

1.4 Transparency

Blue Chart Gem Identification (2010) More from other references

Transparent

1.5 Refractive Index

1.736-1.7621.552-1.618

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

monoclinic

1.8 Birefringence

0.009-0.015Not Available

0 0.296

1.9 Clarity

Blue Chart Gem Identification (2010) More from other references

Transparent

Staurolite and Fuchsite Optic Character

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

Similar to their colors, Staurolite and Fuchsite 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.