1 Spider Monkey. 2  There are 7 known sub species of the Spider Monkey. 3  They belong to the class of New World Monkeys. 4  They are believed to be the biggest of all the different Monkeys in that particular class. 5  Vervet Monkey. 6  The Vervet Monkey is an Old World classification. Squirrel Monkey. 2  The Common Squirrel Monkey is one that gets its name for looking very similar to the Squirrel. 3  They are part of the New World Monkeys. 4  The tropical regions of South America is where you will find the Common Squirrel Monkey.
It all depends on what the alloy mixture is. An alloy is a mixture of two or more elements. Metals like nickel, copper and brass are often found in the alloys of cheaper rings and they will tarnish and/or turn your finger green. If you do have a ring like this, you could try painting the inside of the ring with clear nail polish before it is worn.
Ferrous vs. Non-Ferrous Metals. A Ferrous metal is one that contains Iron, while a non-ferrous metal does not. Since these forms of metals tend to rust, most jewelry is created with non-ferrous metals. Normally, most jewelry is made from non-ferrous metals with the exception of steel jewelry.