Assertion: siderite | /r/HasProperty | mined for iron
Facets:
Source sentences:
text: The minerals goethite, hematite (ferric oxide), lepidocrocite, magnetite (iron oxide) and siderite (iron carbonate) are all mined for iron.
text: The minerals goethite, hematite (ferric oxide), lepidocrocite, magnetite (iron oxide) and siderite (iron carbonate) are all mined for iron.