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Blue spinel
Blue spinel

Goethite
Goethite



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Blue spinel
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Goethite

Blue spinel and Goethite Optical Properties

1 Optical Properties
1.1 Luster
Not Available
Adamantine
1.2 Pleochroism
Not Available
VisibleArthur Thomas
1.3 Dispersion
NANA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Not Available
Gemstones (2009)
1.5 Refractive Index
Not Available2.26-2.398
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Not Available
Orthorhombic
1.8 Birefringence
Not Available0.138
Achroite
0 0.296
1.9 Clarity
Not Available
Gemstones (2009)

Blue spinel and Goethite Optic Character

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

Blue spinel and Goethite Transparency

Similar to their colors, Blue spinel and Goethite 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, Blue spinel is Not Available while Blue spinel is Not Available in appearance.