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Phlogopite and Stolzite Optical Properties


Stolzite and Phlogopite Optical Properties


Optical Properties

Luster
Pearly   
Resinous, Subadamantine   

Pleochroism
Not Available   
Not Available   

Dispersion
Not Available   
Not Available   

Transparency
Not Available   
Not Available   

Refractive Index
1.530-1.573   
2.180-2.190   

Optic Character
Not Available   
Not Available   

Crystal System
monoclinic   
tetragonal   

Birefringence
0.0280-0.0450   
0.090   

Clarity
Not Available   
Not Available   

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<< Physical Properties

Phlogopite and Stolzite Optic Character

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

Similar to their colors, Phlogopite and Stolzite 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, Phlogopite is Not Available while Phlogopite is Not Available in appearance.

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