Lockdowns, land invasions and demand from luxury fashion houses have seen prices grow more than 15 times faster than gold ...
In 2016, jeweler Olivia Young of Ouroboros sold a red spinel ring for £6,000 ($7,700). Last year, the client’s insurance company paid out £30,000 ($38,400) to replace it. Experts say that this ...
Experts say Maine tourmaline continues to shape regional culture and identity, from museum exhibits and scientific research to jewelry, education and local commerce.
From unearthing tourmaline in 1820 in West Paris to the world-changing 1972 discovery in Newry, the state has a place on the ...
Results that may be inaccessible to you are currently showing.
Hide inaccessible results