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Description

Siderite on pyrite pseudomorphLocale: 10 Silicate ore body, Potos Mine, Santa Eulalia, Chihuahua, Mexico Approx dimensions: 4 x 2. 25 x 2. 25" Approx weight: 608g (1 1 3 lb) This specimen from the Potos Mine has orange yellow siderite on a heavy base. The siderite has formed blade like growth criss crossing the surface, with small pyrite crystals sprinkled throughout. The heavy base is composed of tapered hexagonal barrel crystals. The large hexagonal formation is characteristic

sometimes called "chalcedony desert roses

followed by glassy-clear quartz included with green

The dark rounded mineral growing between the two main cubes is galena

forming a thin layer that is eerily shaped like a faceless specter

and occasionally clear frass out of nooks and crannies

F - 4 x 4 x 2

but the bulk of the growth is triangular

The cluster of whitish rice-like crystals on the point is quartz

The hyalite on this specimen has relatively small spheres

It may dislodge with handling

Point length: 4

with some more opaque whitish layers visible inside