USGS Publications


offers 40 online booklets on geology-related topics: acid rain, birth of mountains, building stones of our nation's capital, changing continents, collecting rocks, deserts, earth's interior, earthquakes, fossils, gemstones, geologic history of Cape Cod, geologic time, glaciers, gold, the Ice Age, San Andreas fault, and volcanoes. (U.S. Geological Survey)

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Whats the Bible say about gem stone

Way back at the beginning of the Old Testament, there were twelve sacred gemstones that came from the Mountain of God, where Moses received the Ten Commandments. They were given to Moses, whose blueprint for a sacred breastplate for his brother, the high priest Aaron, is given in Exodus, 28:15-30.

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Gemstone Meanings

If you are intersted in gemstone meanings, this page will give you some information on the various stones that are featured in my jewelry. As I'm sure you realize, there is a wealth of information, both fact and lore, pertaining to gemstones - their mystical meanings and powers, their chemical make-up, their history and uses in times past. Here you will find what I have gleaned from many sources, but this list is by no means all-inclusive! If you are seeking a more ehaustive listing of gemstone meanings, you may find one of the links, which I have included at the bottom of this page, to be of greater help to you. For the time being, I have listed those gemstones which I am currently working with, as well as a few of the other "major" ones. I will try to keep adding to this list so that you might get a good bit of help here, without having to go searching out on the web again!

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Mohs' scale of mineral hardness was created by the German mineralogist Friedrich Mohs in 1822 to measure the relative hardness or scratch resistance of various minerals. He based it on ten readily available minerals.

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Cleaning Fine Gemstones

How to clean and care for your gem stones

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