Flat Stone - A diamond brilliant with a very thin crown and pavilion. Return to Top » ...
Cameo
Flat stone with images carved into the top part.
Carat
Reddish brown to brown red Chalcedony used in former time for carving stones ...
Think for a moment of skipping flat stones on water. What controls whether the stone will skim and bounce along the surface, or go kerplunk into the depths?.......The angle at which it hits the water! ...
They often where very flat stones and occasionally they are found with a rounded outline. These stones appeared in the 16th century and their complexity increased in the centuries after their first arrival.
"It has already been intimated that the Darya-I-Nur, a flat stone which weighs 186 carats and is now in the Shah's Treasury, may very possibly be Babur's diamond...
Geologists explain the effect in terms of a bucket of mud into which a large flat stone is placed, forcing the mud to creep up the sides of the pail.
It is a flat stone measuring 11/4 in. by 1 in.; being mounted, its thickness and weight are not known, as I am informed by the owner.
 See also: Stone, Jewel, Rough, Color, Jewelry
  
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