"First, the source. Only the Badakhshan province in Afghanistan produces this specific 'royal' hue. Others from Chile or Russia are too grey, too pale. They lack the spirit."
Rub a cotton swab with acetone on the stone; if blue comes off, it’s dyed jasper or howlite . where to buy lapis lazuli
Her search led her to a narrow alley in Florence, away from the leather stalls and the tourist traps of the Ponte Vecchio. Behind a door marked only with a faded cerulean crest lived Signor Moretti, a man whose fingernails had been stained indigo since the 1970s. "First, the source
He opened the lid. Inside lay raw nodules of stone, their deep azure surfaces veined with shimmering gold pyrite—fools' gold that, in this context, was the mark of the genuine. They lack the spirit
Elara had spent three years chasing a blue that didn’t exist in the modern world. As a restorer of Renaissance frescoes, she knew the difference between synthetic ultramarine and the soul-stirring depth of true lapis lazuli. The former was a chemical imitation; the latter was "blue gold," ground from stones birthed in the heart of the Sar-i Sang mines.
Look for gold pyrite flecks ; avoid stones with large white patches of calcite.