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CHALCEDONY - Page 3

© Sandra I. Smith

chrysoprase may be mistaken for jade.

Chrysoprase is the most valuable of the chalcedonies.

The chalcedonies are mined worldwide, including the United States. The stones are generally cut into rounded shapes (cabochons) and mounted in jewelry, or made into beads.

Sites: http://www.minerals.net/mineral/silicate... Technical information about chalcedony

http://www.gemhut.com/bluemist.htm Basic information about Blue Mist chalcedony, and photo

http://www.minerals.net/mineral/silicate... General information about agates, including a list of varieties

http://www.minerals.net/mineral/silicate... Photo of polished agate

http://www.gemhut.com/agate.htm Some information about agates, several nice photos and descriptions

http://www.minerals.net/mineral/silicate... General information about aventurine

http://www.minerals.net/mineral/silicate... Photo of aventurine specimen

Picture and info about agate: http://www.gemstone.org/agate.html

http://www.gemstone.org/bloodstone.html Lots of info about bloodstone, and a good photo

http://www.gemhut.com/carneln.htm Basic information about carnelian, and several photos

http://www.theimage.com/mineral/chrysoco... All the techincal info about chrysocolla. Scroll to the bottom of the page, to just below "Misc" and click on images to see pictures. (Photo #3 is the best, IMO)

http://www.gemhut.com/chrprase.htm Basic information about chysoprase, and several photos

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