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 ...
In 1912, Jewelers of America chose birthstones—one for each month of the year. Some believe that the choosing of these 12 stones can be traced back to the 12 gemstones representing the tribes of ...
A flawless blue topaz gemstone - the largest of its kind - will be displayed in the Museum's Minerals gallery from 19 October. The Ostro stone is the largest cut topaz to go on show at the Museum.
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 ...
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 ...
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