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Goethite
Goethite

Moissanite
Moissanite



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Goethite
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Moissanite

Goethite and Moissanite Optical Properties

1 Optical Properties
1.1 Luster
Adamantine
Adamantine
1.2 Pleochroism
VisibleArthur Thomas
NilArthur Thomas
1.3 Dispersion
NA0.10
Fluorite Optical Properties
0.007 1
1.4 Transparency
Gemstones (2009)
Gemmological Tables (2004) More from other references
1.5 Refractive Index
2.26-2.3982.648-2.691
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Orthorhombic
6H polytype
1.8 Birefringence
0.1380.043
Achroite
0 0.296
1.9 Clarity
Gemstones (2009)
TransparentUlrich Henn and Claudio C. Milisenda

Goethite and Moissanite Optic Character

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

Similar to their colors, Goethite and Moissanite 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.