"I'm interested in learning about precious gems. But most of the sites I see are just online jewelry stores. Can you recommend any sites where I can get high quality information on gems and minerals?"...
Everyone knows that you can throw a word or phrase at Google and it will return web pages that match. But Google is more than a search engine... it's a verb. Here are some very cool specialized Google searches that...
For best results, use just ONE or TWO keywords. This search engine looks for all words in any order. To search for an exact phrase, enclose the phrase in quotes. You may also use AND, OR, and NOT keywords to specify boolean expressions. For example:
"format drive"
spyware OR virus
phone NOT cell