Magnetite in "Uralite" . Uralite is a colloquial term for actinolite pseudomorphing diopside, this specimen still has quite a bit of un-pseudomorphed diopside.
Dimensions (millimeters): 30 x 30 x 20(small sample)
Dimensions (inches): 1.2 x 1.2 x .75 (petite specimen)
Origins: mined at Calumet Mine, Chaffee County, Colorado, USA. The Calumet is an iron mine.
Thumbnail Specimen, housed in acrylic museum display box
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