Gemstone Properties           
Cochise College   

Geology Home Page       Virtual Museum of Geology  
Roger Weller, geology instructor
( wellerr@cochise.edu )
last edited:  11/23/15
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Gemstones
 

color
 Transparent Gemstones
 Translucent Gemstones

hardness

 Transparent Gemstones
 Translucent Gemstones                                                             


 asterism

  Star Rubies

  Star Sapphire, Black
 
Star Sapphires, Pale Colored

 

 catseye-chatoyance

  Apatite, Catseye

  Chrysoberyl, Catseye
 

 chatoyancy

  Tigereye

  Tigereye Sphere                                                                                    

  Malachite-Chatoyant

 

 color banding

  Amethyst with Color Banding

  Lake Superior Agate

 

 inclusions

  Amber

  Emerald, Trapiche
  Lapis, Pyrite Inclusions

  Rutilated Quartz

   

 luster-metallic to sub-metallic

  Hematite, Beads

 

 multicolored                                                                       

  Ametrine

  Tourmaline, Multi-Colored

  Watermelon Tourmaline
  Fluorite, Carved

 

 opalescence

  Moonstones from India

  Moonstones from Sri Lanka

  Moonstone in Jewelry

 

 perthitic structure

  Amazonite

 

 play of color

  Australian Fire Opal-Cabochon

  Australian Boulder Opal

 

 schiller

  Labradorite-Schiller

 
 
dendrite inclusions

  Moss Agate

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