Mineral Species containing Astatine (At)

**Astatine (At) Element Properties**
Atomic Mass	210
Atomic Number	85
Name Origins	Greek, astatos = "unstable."
Year Discovered	1940
Discovery Credits	Produced by D. R. Corson, K. R. Mackenzie, and E. Segre at the University of California, USA.
Remarks	Radioactive non-metallic element which does not occur naturally. Relatively unknown because of the short half-life.
References	Emsley, J., 1991; THE ELEMENTS : Sec. Ed., Clarendon Press, Oxford, 251 p.
See Also	WebElements, ChemiCool

Atomic Mass

210

Atomic Number

85

Name Origins

Greek, astatos = "unstable."

Year Discovered

1940

Discovery Credits

Produced by D. R. Corson, K. R. Mackenzie, and E. Segre at the University of California, USA.

Remarks

Radioactive non-metallic element which does not occur naturally. Relatively unknown because of the short half-life.

References

Emsley, J., 1991; THE ELEMENTS : Sec. Ed., Clarendon Press, Oxford, 251 p.

There are no minerals containing Astatine (At)