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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.
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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....
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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 ...
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