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Andradite
Andradite

Staurolite
Staurolite



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Andradite
X
Staurolite

Andradite and Staurolite Optical Properties

1 Optical Properties
1.1 Luster
Adamantine, Resinous
Resinous
1.2 Pleochroism
Not Available
X = colorless; Y = pale yellow; Z = golden yellow
1.3 Dispersion
0.06NA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Transparent
Blue Chart Gem Identification (2010) More from other references
1.5 Refractive Index
1.88-1.941.736-1.762
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
cubic
monoclinic
1.8 Birefringence
0.0570.009-0.015
Achroite
0 0.296
1.9 Clarity
Transparent
Blue Chart Gem Identification (2010) More from other references

Andradite and Staurolite Optic Character

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

Andradite and Staurolite Transparency

Similar to their colors, Andradite 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, Andradite is Transparent while Andradite is Transparent in appearance.