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Eosphorite
Eosphorite

Staurolite
Staurolite



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Eosphorite
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Staurolite

Eosphorite and Staurolite Optical Properties

1 Optical Properties
1.1 Luster
Vitreous, Resinous
Resinous
1.2 Pleochroism
Visible: X = yellow; Y = pink; Z = pale pink to colorless
X = colorless; Y = pale yellow; Z = golden yellow
1.3 Dispersion
NANA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Transparent
Blue Chart Gem Identification (2010) More from other references
1.5 Refractive Index
1.639-1.6721.736-1.762
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Orthorhombic
monoclinic
1.8 Birefringence
0.029-0.0320.009-0.015
Achroite
0 0.296
1.9 Clarity
Transparent
Blue Chart Gem Identification (2010) More from other references

Eosphorite and Staurolite Optic Character

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

Eosphorite and Staurolite Transparency

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