Siderite on pyrite pseudomorph Garden quartz Preferred humidity Low temperate to

Preferred humidity  Low  temperate to semi-arid

Unfortunately it is often sold as bornite

These Moroccan geodes are frequently recompiled and glued together—but this is infrequently disclosed :( Read more about how to detect repairs

Drâa-Tafilalet Region

Calcite covers the back of the specimen

Siderite on pyrite pseudomorph Garden quartz Preferred humidity Low temperate toLocale: 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