Nickel: the essentials. Nickel is found as a constituent in most meteorites and often serves as one of the criteria for distinguishing a meteorite from other minerals. Iron meteorites, or siderites, may contain iron alloyed with from 5 to nearly 20% nickel. The USA 5-cent coin (whose nickname is nickel) contains just 25% nickel.
Common symptoms of VWD are: â¢ easy bruising. â¢ bleeding from nose and gums. â¢ prolonged bleeding from skin lacerations. â¢ bleeding from the gums when baby teeth fall out or after tooth extractions. â¢ heavy or prolonged bleeding during menstruation, called menorrhagia.
Types of Von Willebrand Disease: 1  Type 1 â von Willebrand levels are lower than normal. 2  Type 2 â there is a defect in the structure of the von Willebrand protein that causes lower than normal VW factor protein activity.  Type 2a â the level of VW factor is reduced, as is the ability of platelete to clump together.