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Demantoid Garnet
Demantoid Garnet

Ettringite
Ettringite



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Demantoid Garnet
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Ettringite

Demantoid Garnet and Ettringite Optical Properties

1 Optical Properties
1.1 Luster
Not Available
Vitreous
1.2 Pleochroism
Not Available
Not Available
1.3 Dispersion
NANA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Not Available
Transparent, Translucent
1.5 Refractive Index
1.88-1.891.470-1.491
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Isometric
Trigonal
1.8 Birefringence
Not Available0.021
Achroite
0 0.296
1.9 Clarity
Color grading system
Transparent

Demantoid Garnet and Ettringite Optic Character

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

Demantoid Garnet and Ettringite Transparency

Similar to their colors, Demantoid Garnet and Ettringite 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, Demantoid Garnet is Not Available while Demantoid Garnet is Not Available in appearance.