Quote:
|
Originally Posted by Errol
Yes, most all of the turquoise on the market has been treated, because real turquoise is soft, porous and usually white, pale blue or green.
What we can get is stabilized and coloured crystal, or as shallow crusts on the surface of rocks.
Even the ancient civilizations couldn't use it without creating them into a paste, which was then dyed and heated.
There are some gem grade specimens, but they are very rare, really unlikely to find.
|
Is this the one with gem grade quality?
http://www.ebay.co.uk/itm/TURQUOISE-...4AAOSwc-tY20H7