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Staurolite
Staurolite

Diopside
Diopside



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Staurolite
X
Diopside

Staurolite and Diopside Optical Properties

1 Optical Properties
1.1 Luster
Resinous
Vitreous
1.2 Pleochroism
X = colorless; Y = pale yellow; Z = golden yellow
Not Available
1.3 Dispersion
NA0.02
Fluorite Optical Properties
0.007 1
1.4 Transparency
Blue Chart Gem Identification (2010) More from other references
Transparent, Translucent, Not Available, Transparent . Star Diopside is opaque .
1.5 Refractive Index
1.736-1.7621.664-1.730
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
monoclinic
monoclinic
1.8 Birefringence
0.009-0.0150.024-0.030
Achroite
0 0.296
1.9 Clarity
Blue Chart Gem Identification (2010) More from other references
Transparent

Staurolite and Diopside Optic Character

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

Staurolite and Diopside Transparency

Similar to their colors, Staurolite and Diopside 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, Staurolite is Blue Chart Gem Identification (2010) More from other references while Staurolite is Blue Chart Gem Identification (2010) More from other references in appearance.