• What is Carnelian

    What is Carnelian
    Carnelian is a reddish-brown, orange-brown, or yellow-brown variety of Chalcedony. Used in inexpensive jewelry and carved Chinese objects. The color is caused by iron oxide.  
  • What is Carbon?

    What is Carbon?
    Carbon is an element. Diamond, graphite, and carbon black are all carbon; the carbonates, like calcite, contain some carbon in combination with other elements.
  • What is a Carat?

    What is a Carat?
    The word carat comes from the seed of the carob tree, the biblical locust...
  • What is a Canary Diamond? 💛

    What is a Canary Diamond? 💛
    A Canary diamond.A fancy diamond with a strong, pleasing yellow color. 
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