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Chalcedony
Chalcedony Google Images43 locationsMineral
.: joebartels :.
Sep 22 2004
Black Cross Butte 3351		 Featured Detail Photo mini map Featured Full Photo.: Grasshopper :.
Dec 24 2008
Byous Butte
ID1971  URL
TypeMineral
pronounced cal ced oh knee

Chalcedony is a cryptocrystalline form of silica, composed of very fine intergrowths of the minerals quartz and moganite. These are both silica minerals, but they differ in that quartz has a trigonal crystal structure, whilst moganite is monoclinic.

Chalcedony has a waxy lustre, and may be semitransparent or translucent. It can assume a wide range of colors, but those most commonly seen are white to gray, grayish-blue or a shade of brown ranging from pale to nearly black.

Source: Wikipedia

  • .: BobP :.
    Coffee no Sugar
     
  • .: Mike_W :.
    Snowshed Peak - Chiricahua Wilderness
     
  • .: Mike_W :.
    Snowshed Peak - Chiricahua Wilderness
     
  • .: Mike_W :.
    Snowshed Peak - Chiricahua Wilderness
     
  • .: kingsnake :.
    West Wing Mountain
     
  • .: LosDosSloFolks :.
    Arnett Creek - Canyon
     
  • .: John10s :.
    Black Cross Butte-Chalcedony Cave-Peak 3042
     
  • .: ScottHika :.
    Coffee Flat Mountain 4621 Summit
     
  • .: John10s :.
    Malapais Mountain - Superstitions
     
  • .: DixieFlyer :.
    Tumacacori Mountains Highpoint
     
  • .: thirstylizard :.
    Little Four Peaks
     
  • .: ScottHika :.
    Bluff Springs Trail #235
     
  • .: ScottHika :.
    Malapais Mountain - Superstitions
     
  • .: ScottHika :.
    Whiskey West - Red Tanks Loop
     
  • .: HikerWill :.
    Rte 30 near Ruby Mining Town
     
  • .: jillyonanadventure :.
    Crucifix Canyon
     
  • .: adilling :.
    Crucifix Canyon
     
  • .: joebartels :.
    Needle Vista - Hackberry - 2811 Lasso Loop
     
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