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Staurolite and Starlite Optical Properties


Starlite and Staurolite Optical Properties


Optical Properties

Luster
Resinous   
Not Available   

Pleochroism
X = colorless; Y = pale yellow; Z = golden yellow   
Not Available   

Dispersion
Not Available   
Not Available   

Transparency
Blue Chart Gem Identification (2010) More from other references   
Transparent   

Refractive Index
1.736-1.762   
1.790-2.015   

Optic Character
Not Available   
Not Available   

Crystal System
monoclinic   
Not Available   

Birefringence
0.009-0.015   
0.005-0.055   

Clarity
Blue Chart Gem Identification (2010) More from other references   
Transparent   

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Staurolite and Starlite Optic Character

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

Similar to their colors, Staurolite and Starlite 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.

Brown Gemstones

Brown Gemstones


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