Siderite
Ulsan Mine, Buk District, Ulsan, South Korea
8.8 x 6.8 x 4.8 cm. Siderite from South Korea is rare available. This showy and excellent, mounded piece features a multitude of lustrous, grayish siderite discs in interesting patterns with a preferential overcoat on reddish-brown iron oxides. Very highly representative of this uncommon material. Older material and accompanied by a faded label. ...
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