Gray hematite | Article about gray hematite by The Free Dictionary
gray hematite[¦grā ′hē·mə‚tīt]
References in periodicals archive
Observations of Meridiani Planum from orbit suggest that the gray hematite
was deposited by a watery source, perhaps an ancient and vast hot spring.
25, 2004, will explore Meridiani Planum, an area with deposits of an iron oxide called gray hematite