Amethyst . A member of the quartz family, amethysts with intense, rich purple shades have long been considered the most precious of these n ...
Sauer was established in 1941 by Jules Sauer, the co-CEO's grandfather, who fled Europe during World War I to Brazil and began working with precious gemstones like emeralds, tourmalines and ...
Vitória, January 15, 2025 – Brazilian natural stone exports closed 2024 with revenue of USD 1.263 billion, a 12.7% increase compared to 2023, according to the Brazilian Natural Stone ...
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