Jordanite
A variety of Minerals
What is Jordanite?
Jordanite is a sulfosalt mineral with chemical formula Pb14(As,Sb)6S23 in the monoclinic crystal system, named after the German scientist H. Jordan (1808–1887) who discovered it in 1864. Lead-grey in colour (frequently displaying an iridescent tarnish), its streak is black and its lustre is metallic. Jordanite has a hardness of 3 on Mohs scale, has a density of approximately 6.4, and a conchoidal fracture. The type locality is the Lengenbach Quarry in the Binn Valley, Wallis, Switzerland.
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Quick Facts
Physical Properties
- Color
- Lead-gray, frequent iridescent tarnish
- Hardness (Mohs)
- 3
- Density
- 6.33 - 6.43 g/cm³
- Streak
- Black
Chemical Properties
- Chemical Formula
- Pb14(As,Sb)6S23
- Elements
- As, Pb, S, Sb
Also Known As
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