James St. John: Talc schist 1
James St. John: Talc schist 2
James St. John: Talc schist 3
James St. John: Talc schist 4
James St. John: Talc Schist 9
James St. John: Talc Schist 10
James St. John: Talc Schist 11
James St. John: Talc Schist 12
James St. John: Talc Schist 13
James St. John: Talc Schist 14
James St. John: Talc Schist 15
James St. John: Talc Schist 16
James St. John: Talc schist (Balmat, New York State, USA) 17
James St. John: Talc schist (Balmat, New York State, USA) 18