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Ettringite
Ettringite

Eosphorite
Eosphorite



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Ettringite
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Eosphorite

Ettringite and Eosphorite Optical Properties

1 Optical Properties
1.1 Luster
Vitreous
Vitreous, Resinous
1.2 Pleochroism
Not Available
Visible: X = yellow; Y = pink; Z = pale pink to colorless
1.3 Dispersion
NANA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Transparent, Translucent
Transparent
1.5 Refractive Index
1.470-1.4911.639-1.672
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Trigonal
Orthorhombic
1.8 Birefringence
0.0210.029-0.032
Achroite
0 0.296
1.9 Clarity
Transparent
Transparent

Ettringite and Eosphorite Optic Character

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

Ettringite and Eosphorite Transparency

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