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Marble
Marble

Staurolite
Staurolite



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Marble
X
Staurolite

Marble and Staurolite Optical Properties

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1 Optical Properties
1.1 Luster
Not Available
Resinous
1.2 Pleochroism
Not Available
X = colorless; Y = pale yellow; Z = golden yellow
1.3 Dispersion
NANA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Not Available
Blue Chart Gem Identification (2010) More from other references
1.5 Refractive Index
Not Available1.736-1.762
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Not Available
monoclinic
1.8 Birefringence
Not Available0.009-0.015
Achroite
0 0.296
1.9 Clarity
Not Available
Blue Chart Gem Identification (2010) More from other references

Marble and Staurolite Optic Character

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

Similar to their colors, Marble and Staurolite 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.