LONDON (Reuters) - A flawless blue topaz gemstone, said to be the largest of its kind, is set to go on display at London's Natural History Museum. The Ostro stone weighs around 2 kg (4.4 lb) and will ...
THE WORLD’S biggest chunk of cut blue topaz gemstone has been unveiled 30 years after it was discovered by a swashbuckling British adventurer likened to Indiana Jones. Max Ostro escaped death at the ...
There will be audible gasps as they marvel at the world’s largest cut blue topaz, which would easily fetch £10million if it went on sale. Protected by a 7ft glass security screen, the flawless giant ...
London: A flawless blue topaz gemstone, said to be the largest of its kind, is set to go on display at London's Natural History Museum. The Ostro stone weighs around 2 kg (4.4 lb) and will be ...
The largest known blue topaz stone, owned by philanthropist Maurice Ostro, is displayed to media at the Natural History Museum in London, Britain September 27, 2016. REUTERS/Peter Nicholls LONDON - A ...
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