On 20 Jul 2009, at 20:36, Clayton Family wrote:
or it could be a reaction to the sulfer in the mineral. On Jul 20, 2009, at 1:05 PM, Dorothy Fitzpatrick wrote:
On 20 Jul 2009, at 20:36, Clayton Family wrote:
or it could be a reaction to the sulfer in the mineral. On Jul 20, 2009, at 1:05 PM, Dorothy Fitzpatrick wrote: