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Eosphorite
Eosphorite

Demantoid
Demantoid



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Eosphorite
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Demantoid

Eosphorite and Demantoid Optical Properties

1 Optical Properties
1.1 Luster
Vitreous, Resinous
Adamantine
1.2 Pleochroism
Visible: X = yellow; Y = pink; Z = pale pink to colorless
None
1.3 Dispersion
NANA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Transparent
Gemmological Tables (2004)
1.5 Refractive Index
1.639-1.6721.880-1.890
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Orthorhombic
cubic
1.8 Birefringence
0.029-0.032Not Available
Achroite
0 0.296
1.9 Clarity
Transparent
TransparentUlrich Henn and Claudio C. Milisenda

Eosphorite and Demantoid Optic Character

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

Similar to their colors, Eosphorite and Demantoid 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.