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Goethite
Goethite

Narsarsukite
Narsarsukite



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Goethite
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Narsarsukite

Goethite and Narsarsukite Optical Properties

1 Optical Properties
1.1 Luster
Adamantine
Vitreous, Pearly
1.2 Pleochroism
VisibleArthur Thomas
Weak; O = colorless to yellow; E = colorless to honey-yellow
1.3 Dispersion
NANA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Gemstones (2009)
Transparent, Translucent
1.5 Refractive Index
2.26-2.3981.610-1.647
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Orthorhombic
tetragonal
1.8 Birefringence
0.1380.021
Achroite
0 0.296
1.9 Clarity
Gemstones (2009)
Transparent

Goethite and Narsarsukite Optic Character

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

Goethite and Narsarsukite Transparency

Similar to their colors, Goethite and Narsarsukite 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.