Even though it is plentiful, hematite isn't usually found on Earth on its own; rather it is generally found mixed together ...

Hematite is a mineral that commonly forms concretions, which are found in sedimentary rocks on Earth, and they grow from minerals that are precipitated out of liquid water that is coursing through ...

Numerous iron-containing minerals exist on Earth (Table 1 & Figure 2). These minerals are classified as Fe(III)-oxides (e.g., hematite), Fe(III)-oxyhydroxides and -hydroxides (e.g., goethite), Fe ...

SFGATE's Ashley Harrell biked 13 miles through Red Rock Canyon National Conservation Area's scenic desertscape.

Earth scientists at the University of Western ... rock as a mix of very fine quartz (containing silicon and oxygen) and hematite (made of iron and oxygen), a combination known as jaspilite.

According to infrared readings, Opportunity's landing site in Terra Meridiani shows traces of a form of the mineral hematite that, on Earth, is created typically only in the presence of water.

It's best to use sea salt since it's more connected to the Earth, but table salt works too ... you submerge are water-friendly. Some, like hematite or tangerine quartz, are lower on the Mohs ...

The giant shovel dipped and took a three-ton bite of rich, iron-bearing earth. Steep Rock Mine was ... Steep Rock is a range of superhard hematite ore, the best on the continent.

Iron bound to dust from the Sahara blown westward over the Atlantic has properties that change with the distance traveled.

NASA Earth Observatory image by Lauren Dauphin ... including iron carbonate, goethite, hematite, magnetite and pyrite, which are thought to be formed from bioreactive iron on the seafloor.

Some days at least, grief is a tangible object, a thing to be held and worn and displayed, "a sweater, sleeves weighted with blossoms, / heavy as hematite ... in the earth and the ether, the ...