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Marble and Gypsum Optical Properties


Gypsum and Marble Optical Properties


Optical Properties

Luster
Not Available   
Vitreous, Silky, Pearly, Waxy   

Pleochroism
Not Available   
None   

Dispersion
Not Available   
Not Available   

Transparency
Not Available   
Transparent, Translucent   

Refractive Index
Not Available   
1.521-1.531   

Optic Character
Not Available   
Not Available   

Crystal System
Not Available   
monoclinic   

Birefringence
Not Available   
0.010   

Clarity
Not Available   
Transparent   

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Marble and Gypsum Optic Character

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

Similar to their colors, Marble and Gypsum 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, Marble is Not Available while Marble is Not Available in appearance.

Green Gemstones

Green Gemstones


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