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Marble
Marble

Gypsum
Gypsum



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Marble
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Gypsum

Marble and Gypsum Optical Properties

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1 Optical Properties
1.1 Luster
Not Available
Vitreous, Silky, Pearly, Waxy
1.2 Pleochroism
Not Available
None
1.3 Dispersion
NANA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Not Available
Transparent, Translucent
1.5 Refractive Index
Not Available1.521-1.531
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Not Available
monoclinic
1.8 Birefringence
Not Available0.010
Achroite
0 0.296
1.9 Clarity
Not Available
Transparent

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.

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.