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Annabergite
Annabergite

Ettringite
Ettringite



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Annabergite
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Ettringite

Annabergite and Ettringite Optical Properties

1 Optical Properties
1.1 Luster
Subadamantine, Pearly
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
1.6221.470-1.491
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
monoclinic
Trigonal
1.8 Birefringence
0.0650.021
Achroite
0 0.296
1.9 Clarity
Not Available
Transparent

Annabergite and Ettringite Optic Character

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

Annabergite and Ettringite Transparency

Similar to their colors, Annabergite 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, Annabergite is Not Available while Annabergite is Not Available in appearance.