A set is a collection of distinct elements. These elements can be anything: numbers, letters, objects, or even other sets. Sets are fundamental in mathematics and computer science, providing a way to organize information. One key property of sets is that the order of elements is irrelevant. For example, the more info set 1, 2, 3 is the same as 3, 1

based on the historic birthstone chart, sardonyx was the official August gemstone. even so, eventually it absolutely was replaced by peridot and spinel. Peridot may be the gem number of a mineral team known as olivine. Much of the world's peridot is present in basalt flows. Ruby is a superb option for an engagement ring. it's a Mohs hardness of 9