James St. John:
Graphite
James St. John:
Graphite (Ceylon) 1
James St. John:
Graphite (Ceylon) 2
James St. John:
Sapphire (gem gravel mine, Ratnapura area, Sri Lanka) 1
James St. John:
Sapphire (gem gravel mine, Ratnapura area, Sri Lanka) 2
James St. John:
Sapphire (gem gravel mine, Ratnapura area, Sri Lanka) 3
James St. John:
Sapphire (gem gravel mine, Ratnapura area, Sri Lanka) 4
James St. John:
Sapphire (gem gravel mine, Ratnapura area, Sri Lanka) 5
James St. John:
Sapphire (gem gravel mine, Ratnapura area, Sri Lanka) 6
James St. John:
Graphite (Ceylon) 3
James St. John:
Graphite (Ceylon) 4
James St. John:
Graphite (Ceylon) 5
James St. John:
Graphite (Ceylon) 6
James St. John:
Graphite (Ceylon) 7
James St. John:
Graphite (Ceylon) 8
James St. John:
Graphite (Ceylon) 9
James St. John:
Graphite (Ceylon) 10
James St. John:
Graphite (Ceylon) 11
James St. John:
Graphite (Ceylon) 12
James St. John:
Graphite (Ceylon) 13
James St. John:
Graphite (Ceylon) 14
James St. John:
Graphite (Ceylon) 15
James St. John:
Graphite (Ceylon) 16
James St. John:
Graphite (Ceylon) 17
James St. John:
Graphite (Ceylon) 18
James St. John:
Graphite (Ceylon) 19
James St. John:
Graphite (Ceylon) 20
James St. John:
Graphite (Ceylon) 21
James St. John:
Graphite (Ceylon) 22
James St. John:
Graphite (Ceylon) 23
