Helena District, Lewis and Clark Co., Montana
mauve = 3.6cts; .97cm x .63cm x .52cm
yellow green = 3.5cts; .96cm x .89cm x .42cm
yellow = 3.25cts; .95cm x .81cm x .51cm
blue green = 3.2cts; .73cm x .68cm x .63
peach = 2.6cts; .86cm x .79cm x .54cm
lavender = 2.25cts; .81cm x .78cm x .26cm
blue = 2.15cts; .76cm x .54cm x .45cm
light green = 1.45cts; .82cm x .58cm x .28cm
Ex. L. M. Pinger Collection
Ex. A. E. Seaman Mineral Museum