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Staurolite
Staurolite

Cat s Eye
Cat s Eye



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Staurolite
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Cat s Eye

Staurolite and Cat s Eye Optical Properties

1 Optical Properties
1.1 Luster
Resinous
Vitreous
1.2 Pleochroism
X = colorless; Y = pale yellow; Z = golden yellow
Not Available
1.3 Dispersion
NANA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Blue Chart Gem Identification (2010) More from other references
Translucent
1.5 Refractive Index
1.736-1.7621.744-1.755
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
monoclinic
Orthorhombic
1.8 Birefringence
0.009-0.015Not Available
Achroite
0 0.296
1.9 Clarity
Blue Chart Gem Identification (2010) More from other references
Translucent

Staurolite and Cat s Eye Optic Character

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

Staurolite and Cat s Eye Transparency

Similar to their colors, Staurolite and Cat s 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, 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.