Difference between revisions of "Hiddenite"
From The Gemology Project
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− | Hiddenite is the green variety of | + | Hiddenite is the green variety of spodumene.<br> |
It was originally discovered in Hiddenite, North Carolina. | It was originally discovered in Hiddenite, North Carolina. |
Revision as of 14:36, 23 December 2006
Hiddenite | |
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Chemical composition | LiAl(SiO3)2 Lithium aluminum silicate |
Crystal system | Monoclinic |
Habit | Prismatic |
Cleavage | Perfect, prismatic |
Fracture | Uneven |
Hardness | 7 |
Optic nature | Biaxial + |
Refractive index | 1.66-1.68 |
Birefringence | 0.015 |
Dispersion | Low, 0.017 |
Specific gravity | 3.18 |
Lustre | Vitreous |
Pleochroism | Strong |
Hiddenite is the green variety of spodumene.
It was originally discovered in Hiddenite, North Carolina.