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Eosphorite
Eosphorite

Andalusite
Andalusite



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Eosphorite
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Andalusite

Eosphorite and Andalusite Optical Properties

1 Optical Properties
1.1 Luster
Vitreous, Resinous
Vitreous, Greasy
1.2 Pleochroism
Visible: X = yellow; Y = pink; Z = pale pink to colorless
strongly trichroic
1.3 Dispersion
NA0.02
Fluorite Optical Properties
0.007 1
1.4 Transparency
Transparent
Transparent, Translucent
1.5 Refractive Index
1.639-1.6721.627-1.650
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Orthorhombic
Orthorhombic
1.8 Birefringence
0.029-0.0320.009-0.010
Achroite
0 0.296
1.9 Clarity
Transparent
Transparent

Eosphorite and Andalusite Optic Character

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

Similar to their colors, Eosphorite and Andalusite 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.