Staurolite and Moonstone Optical Properties

Staurolite

Moonstone

Add ⊕

1 Optical Properties

1.1 Luster

Resinous

Pearly

1.2 Pleochroism

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

AbsentWalter Schumann

1.3 Dispersion

NANone

0.007 1

1.4 Transparency

Blue Chart Gem Identification (2010) More from other references

Transparent, Transparent to translucent

1.5 Refractive Index

1.736-1.7621.518-1.527

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

monoclinic

1.8 Birefringence

0.009-0.0150.006-0.007

0 0.296

1.9 Clarity

Blue Chart Gem Identification (2010) More from other references

Transparent

Staurolite and Moonstone Optic Character

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

Compare Brown Gemstones

Staurolite Vs Tourmaline

Staurolite Vs Triplite

Staurolite Vs Verdelite

Staurolite and Moonstone Transparency

Similar to their colors, Staurolite and Moonstone 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.