This is all southwest Turquoise.  All silver rings are saddle band design (think English riding saddle smooth and wide on top, narrow underneath.  A) is Mojave - Kingman and bronze 1 1/4"long x 7/8"wide; B) 1 1/8"long x 1/2"wide; C) 1" x 1" the specks in the stone are silver; D) this ones amazing all silver with bits of Turquoise 1"long x 3/4" wide; E) 1" x 1".