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Nosean
Nosean

Hardystonite
Hardystonite



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Nosean
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Hardystonite

Nosean and Hardystonite Optical Properties

1 Optical Properties
1.1 Luster
Not Available
Vitreous, Resinous, Greasy
1.2 Pleochroism
Not Available
Not Available
1.3 Dispersion
NANA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Transparent
Handbook of mineralogy (2001)
1.5 Refractive Index
Not Available1.672
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Not Available
tetragonal
1.8 Birefringence
Not AvailableNot Available
Achroite
0 0.296
1.9 Clarity
Transparent
Handbook of mineralogy (2001)

Nosean and Hardystonite Optic Character

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

Nosean and Hardystonite Transparency

Similar to their colors, Nosean and Hardystonite 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, Nosean is Transparent while Nosean is Transparent in appearance.