When we're talking about what carry-on size is, a basic, safe guideline is that your bag should have a total dimension of 45 inches (115 cm).... that's height + width + depth. So, for instance, it could be... 20 x 15 x 10. ...or... 22 x 14 x 9. ...or some other combination up to 45 inches.
Hematite is a form of iron. It is found in Canada, Australia, Mexico North and South America, Africa, Europe, Asia, Greenland, the Pacific Ocean, Naha and Japan. hematite has also been found on mars.
Hematite occurs in a variety of igneous and metamorphic rocks, but is most abundant in sedimentary settings. In sedimentary rocks, hematite can either have formed from have originally formed directly from direct precipitation out of marine waters, or as a concentration and enrichment deposit formed from groundwater.