The fire of opals erupts from jewelry cases lining the walls. Spencer, population 38, holds one of the largest opal deposits in the United States and is home to rare star opals.

What: This one-of-a-kind ring with a 2.78 carat teardrop-shape fire opal gemstone sits in an arrow-shaped sterling silver setting. The bauble's minimalism is what drew us to it, and the rock's ...

The allure of opals can be traced to the world’s earliest cultures: In the 1930s, anthropologist Louis Leakey discovered in a Kenyan cave opal artifacts dating back 6,000 years.

Nina Runsdorf bracelet in 18K yellow gold with 151.07 carats fire opal and 2.33 carats diamond, price on request, ninarunsdorf.com Sanjay Kasliwal ...

For Monica Rich Kosann, whose high jewelry collection, The Jewels of Nature, uses rare Australian black and crystal opals and Mexican fire opals, the answer was hiding in plain sight.