How to identify and detect spinel from ruby?

MARKET OF SPINEL IN THE MIDDLE EAST

Rubies and red spinels are very similar in terms of physical and chemical properties

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Which country do you want to trade with?
  • Afghanistan
  • Armenia
  • Azerbaijan
  • Bahrain
  • Egypt
  • Georgia
  • Iran
  • Iraq
  • Israel
  • Jordan
  • Kuwait
  • Lebanon
  • Oman
  • Pakistan
  • Palestine
  • Qatar
  • Saudi Arabia
  • Syria
  • Turkey
  • United Arab Emirates
  • Yemen
Rubies and red spinels are very similar in terms of physical and chemical properties

Rubies and red spinels are commonly ‎found in mines. Due to their great similarity, the two Minerals were not separated from each other until ‎recent years, so most red pearls were considered rubies in ancient times.‎

In 1783, a French mineralogist named Louis Rom de lisle introduced pearl as a separate mineral from ruby. ‎From a chemical point of view, Ruby is a combination of Aluminum oxide corundum (AL203) and ‎magnesium aluminum oxide (MgAL204), while rubies are in a "hexagonal crystal" hexagonal crystal system. ‎They form "Trigonal", forming Spinel Gemstones in the isometric crystal system, "Cubic cube" and ‎‎"Octahedral".‎

The density and light emission index of rubies are slightly higher than those of rubies, but this difference is ‎so significant that it distinguishes the two seemingly similar stones. In fact, differences in hardness and ‎weight helped ancient gemstone carvers in Sri Lanka‎, South of Asia and Burma understand the difference ‎between rubies and spinels before gemology was introduced to the world as a science.‎

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