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The agate chalcedony quartz crystal gemstones.

  Key words: Agate, Agates, Chalcedony, Gemstone, Mineral, Quartz  

  Frequently Asked Questions (FAQ's)  

Question: What is a mineral?
  Answer: A mineral is a naturally occurring inorganic substance. - 253

Question: Where do minerals come from?
  Answer: Most minerals are obtained by mining the ground or extracted from water. - 254

Question: What are nutritional minerals?
  Answer: Nutritional minerals are inorganic elements that are essential to the nutrition of humans, animals, and plants. These minerals are normally obtained by eating natural foods. Examples of nutritional minerals are: calcium, iron, magnesium, zinc, potassium, and sodium. - 255

Topics from our world ...

  External related links to the world ...  

Web Minerals
 Web Minerals

 Mineral database containing 4714 mineral species descriptions and comprehensive picture library of images. - 641
The mineral and gemstone kingdom
 The mineral and gemstone kingdom

 An interactive reference guide to rocks, minerals, and gemstones. - 642
USGS Mineral Resources
 USGS Mineral Resources

 Do we take minerals for granted? Learn more about selected commodities. - 643
Mineralogy database and Mineral collecting
 Mineralogy database and Mineral collecting

 Mineralogy database with information on minerals from around the world and thousands of photos. - 644

  Words of Wisdom  

And the third row a ligure, an agate, and an amethyst.   Exodus 28:19 

And the third row, a ligure, an agate, and an amethyst.   Exodus 39:12 

And I will make thy windows of agates, and thy gates of carbuncles, and all thy borders of pleasant stones.   Isaiah 54:12 

Syria was thy merchant by reason of the multitude of the wares of thy making: they occupied in thy fairs with emeralds, purple, and broidered work, and fine linen, and coral, and agate.   Ezekiel 27:16 

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