Banded Metallic Rocks                                  
RocksForKids.com

 

IRONSTONE
  • This rock is a very distinct rock with its dark red & black banding.
  • The black layers are magnetite and the red layers are jasper/chert.

ORIGIN: Sherman Mine, Temagami, Ontario, CANADA		  
TIGER IRON
  • this is a banded ironstone rock
  • the bands are made of jasper/chert/quartz
   

 

 
TIGER'S EYE
  • Tiger’s Eye is a quartz that contains fibers of crocidolite which has altered to a yellow color.
  • It is formed by the alteration of crocidolite and consists essentially of quartz colored by iron oxide. 
  • The fibers give the specimen it’s distinctive glowing chatoyancy.
  • Tiger's eye is used mainly for jewelry-making and ornamentation.

 

This golden brown chatoyant stone has been tumbled for weeks to give it its slick and shiny surface. 
origin: South Africa
Polished gold tiger's eye
ORIGIN: SOUTH AFRICA         
Polished red tiger's eye

 

 

  

 

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