News

  • How old are the Opals?

    by Limanty Gems
    Australian Opals are over 100 million years old. This period is called the "Placozoa"
    Posted in Opals

  • How to find gemstones near your house?

    by Limanty Gems
    Australia, with its long geological history, has some of the world’s oldest rocks and minerals and a wide variety of gemstones.

  • Are Ammonites extinct?

    by Limanty Gems
    You will be surprised with the answer. Ammonoids are a group of extinct marine mollusc animals in the subclass Ammonoidea of the class Cephalopoda....
    Posted in Ammonites, Fossils

  • What are rubies made of

    by Limanty Gems
    Rubies are made of the mineral variety corundum, which is composed by aluminium oxide. It's chemical formula is  Al₂O₃  There is a great diversity ...
    Posted in Ruby