precious metals

Geology Rocks with Reno	Clip 4:19 Learn all about rocks and geology. After a brief Rock and Roll song young children will meet Reno G. as "The Rock Hound". Reno, a young boy with lots of knowledge will teach children about the different types of rocks and much more.
Identifying Valuable Rocks	Clip - 0:58 min - Valuable rocks can be found all over the world, and their value depends upon the scarcity of the rock. Learn about different valuable rocks, such as gold, silver or garnets with help from expert: Jane Stammer
Identifying Gold Rocks	Clip - 1:37 min - Gold is a very rare and precious metal that is soft, malleable and heavy, and it is often found with other minerals, such as quartz. Learn about the differences between gold and fool's gold with help from expert: Jane Stammer
Sesame Street: Anna Faris - Gem	Clip - 1:48 min - Anna Faris explains the word gem

Zurg Zumbers zoos zooms zoologists zones Zoe Zoboomafoo Zoboo zippers 007 100 cents 1000 10th 11 11th 12th 13 13th 14