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Staurolite and Tremolite Optical Properties


Tremolite and Staurolite Optical Properties


Optical Properties

Luster
Resinous   
Vitreous, Silky   

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   
1.599-1.637   

Optic Character
Not Available   
Not Available   

Crystal System
monoclinic   
monoclinic   

Birefringence
0.009-0.015   
0.023-0.028   

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

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Staurolite and Tremolite Optic Character

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

Similar to their colors, Staurolite and Tremolite 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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