Ex. Eaton Collection
Origin: Willard mine, Pershing Co., Nevada, U.S.A.
Sample size: about 5 cm, crystals are smaller than 1 mm (top/2nd row),
about 5 cm, crystals are smaller than 1 mm (3rd row), about 5 cm, crystals
are smaller than 1 mm (4th row), 7 x 4 x 5 cm (5th row), 5.5 x 4 x 2.5 cm
(bottom)
Origin: El Horcajo mine, Ciudad Real, Spain
Sample size: 6 x 3 x 5 cm with 2 mm golden radial crystals
Origin: Avants, North Pit, Polk Co., Arkansas, United States
Sample size: 6 x 4 x 2 cm
Origin: Union Carbide mine, Potash Springs, Garland Co., Arkansas, United
States
Ex. Kidwell collectin
Sample size: 4.5 x 3.5 x 1 cm
The cacoxenite occurs as a thin orange film alteration over light green
botryoidal
kidwellite and
dufrenite crystals to 4 mm. The
beraunite can be seen in the photos as deep red platy crystals in the
matrix.
Origin: Three Oaks Gap, Polk Co., Arkansas, United States
Ex. Kidwell collection
Sample size: 7 x 4.5 x 4 cm