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.
USES. Magnetite is an important ore of iron. Its perfect crystals are also popular among mineral collectors, and the magnetic Lodestone variety is popular among amateur collectors. This mineral is also of significant scientific interest because of its special magnetic properties.SES. Magnetite is an important ore of iron. Its perfect crystals are also popular among mineral collectors, and the magnetic Lodestone variety is popular among amateur collectors. This mineral is also of significant scientific interest because of its special magnetic properties.