Top-range tourmalines from the famed Cruzeiro mine in Brazil is adorning the booth of gemstone specialist Seven Fine Gems.

Headlining its product offerings are tourmalines, including excellent-quality rubellites.

“Our mining processes comply with international standards of responsible sourcing as well as fair labour and trade policies. Our gemstones are also conflict-free,” remarked Seven Fine Gems.

The Cruzeiro mine in the state of Minas Gerais is the biggest tourmaline source in the world, according to Seven Fine Gems.

The mine produces an average of eight tonnes of tourmalines annually. The production primarily consists of green tourmalines; followed by pink variants and rubellites, which account for about 30 percent; and blue tourmalines, which make up 10 percent of total output.