1) Beautiful stone 2) Decorative stone 3) Expensive rock 4) Gemstone 5) Precious rock 6) Precious stone 7) Precious jewel 8) Precious gem 9) Prized stone 10) Precious gemstone 11) Prized mineral 12) Rock gem 13) Rock turned gem 14) Rock turned gemstone 15) Rock gemstone 16) Stone found in jewelry
Found on
https://www.crosswordclues.com/clue/iddingsite
Iddingsite is an alteration of olivine that consists of a mixture of clay minerals, iron oxides and ferrihydrites. It is absent from deep-seated rocks and is found on meteorites. As it has been found on Martian meteorites, its ages have been calculated to obtain absolute ages when liquid water was at or near the surface of Mars. Iddingsite forms f...
Found on
http://en.wikipedia.org/wiki/Iddingsite
No exact match found.
