Labelled as hinsdalite but likely plumbogummite, and as “Sylvester Mine”. Acquired by Joan Lamond in 1996 from Jack Leach for $4.00. Ex Jack Nelson Collection.
Labelled as hinsdalite but likely plumbogummite, and as “Sylvester Mine”. Acquired by Joan Lamond in 1996 from Jack Leach for $4.00. Ex Jack Nelson Collection.
