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Goethite
Goethite

Azurmalachite
Azurmalachite



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Goethite
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Azurmalachite

Goethite and Azurmalachite Optical Properties

1 Optical Properties
1.1 Luster
Adamantine
Vitreous, Silky
1.2 Pleochroism
VisibleArthur Thomas
AbsentWalter Schumann
1.3 Dispersion
NANA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Gemstones (2009)
Translucent
1.5 Refractive Index
2.26-2.3981.655-1.909
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Biaxial/+
1.7 Crystal System
Orthorhombic
monoclinic
1.8 Birefringence
0.1380.108-0.254
Achroite
0 0.296
1.9 Clarity
Gemstones (2009)
Translucent

Goethite and Azurmalachite Optic Character

Goethite and Azurmalachite optical properties play a significant role while distinguishing these gemstones from each other. These properties are influenced by the Goethite and Azurmalachite 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 Goethite and Azurmalachite 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. Azurmalachite has Biaxial/+ character.

Goethite and Azurmalachite Transparency

Similar to their colors, Goethite and Azurmalachite 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, Goethite is Gemstones (2009) while Goethite is Gemstones (2009) in appearance.