Pearly white, prismatic crystals as single and sheaf-like groups to 1 mm
covering much of matrix and associated with bright yellow-orange
mimetite.
Thin, white, silky splintery crystals to 2 mm or more as singles and smaller,
somewhat stellate groups to less than 1 mm with associated orange
mimetite.
Origin: Moon Anchor mine, Maricopa Co., Arizona, United States (type locality)
Ex. DeVito Collection
Sample size: 6 x 4 x 4 cm (top), 4 x 3 x 1.5 cm (bottom)
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