What are the four mineral characteristics. I know its formed in nature, they have to have a crystal structure, they have to be a solid. But what is the last one.:confused: :confused:

If you click on the following search, you will be likely to find the answer.

Four Characteristics of Minerals Wikipedia - Google Search (http://www.google.com/search?hl=en&safe=off&sa=X&oi=spell&resnum=0&ct=result&cd=1&q=Four+Characteristics+of+Minerals+Wikipedia&spell=1)