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Atacamite
Atacamite

Hibonite
Hibonite



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Atacamite and Hibonite Optical Properties

1 Optical Properties
1.1 Luster
Adamantine, Vitreous
Vitreous
1.2 Pleochroism
X = pale green; Y = yellow-green; Z = grass-green
O = brownish gray; E = gray
1.3 Dispersion
Albite Optical ..
Not Available
Rank: N/A (Overall)
Not Available
Rank: N/A (Overall)
Fluorite Optical Properties
1.4 Transparency
Not Available
Handbook of mineralogy (2001)
1.5 Refractive Index
1.831
1.79-1.807
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Orthorhombic
Hexagonal
1.8 Birefringence
0.049
Not Available
1.9 Clarity
Not Available
Handbook of mineralogy (2001)

Atacamite and Hibonite Optic Character

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

Atacamite and Hibonite Transparency

Similar to their colors, Atacamite and Hibonite 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, Atacamite is Not Available while Atacamite is Not Available in appearance.