For every 6, pass one quarter to the person on your right. 7. Roll for the center pot. When only one person is left holding quarters, he or she must roll for the center pot. 1  The player must roll a 1, 2, or 3 to win the pot. 2  If the player rolls a 4 and only has one quarter left, that quarter must go into the center pot.
Magnetite and other heavy minerals (dark) in a quartz beach sand (Chennai, India). Magnetite is sometimes found in large quantities in beach sand. Such black sands (mineral sands or iron sands) are found in various places, such as California and the west coast of the North Island of New Zealand.
Ore is most often found in the form of hematite and magnetite, though goethite, limonite and siderite types are also common. Approximately 98 percent of the iron ore produced in the world is used to make steel. Hematite. Hematite ore has the chemical formula Fe2O3 and has a very high iron content of 70 percent.mong the four types of iron ore deposits found in this area are magnetite and hematite ore. In Minnesota, magnetite iron ore is mined mainly in the Mesabi iron range, one of the four ranges that make up the Iron Range of Minnesota. In Canada, Labrador is home to the majority of magnetite mining.