Lime green acicular crystals to less than 0.2 mm
Lime green crystalline patches to 1 mm. Ex. Grenier collection
Yellow to yellow green crusts and very thin platy crystals on phosphate
matrix.
Flat, yellow, radial spray of bladed, elongated crystals to .075 mm across on
quartz
matrix.
Origin: White Elephant mine, Custer Co., South Dakota, United States (type
locality)
Sample size: 3.5 x 4 x 2 cm (top), 6 x 4 x 3 cm (2nd row), 4 x 3.5 x 2.5 cm
(3rd row), 3 x 1 x 1 cm (4th row), 5 x 4 x 3 cm (bottom)
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