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Eosphorite
Eosphorite

Holmquistite
Holmquistite



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Eosphorite
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Holmquistite

Eosphorite and Holmquistite Optical Properties

1 Optical Properties
1.1 Luster
Vitreous, Resinous
Vitreous
1.2 Pleochroism
Visible: X = yellow; Y = pink; Z = pale pink to colorless
Strong in shades of violet when dark-colored.Anthony et al
1.3 Dispersion
NANA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Transparent
Transparent
1.5 Refractive Index
1.639-1.6721.622-1.666
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Orthorhombic
Orthorhombic Dipyramidal H-M Symbol (2/m 2/m 2/m) Space Group: P nma
1.8 Birefringence
0.029-0.032Not Available
Achroite
0 0.296
1.9 Clarity
Transparent
Transparent

Eosphorite and Holmquistite Optic Character

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

Similar to their colors, Eosphorite and Holmquistite 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.