La Gruta de Danjul
Venta y compra de minerales, cristales y gemas. Cursos de Gemoterapia y Energía Mineral. Ubicación: México D.F. Ópalos de fuego de Querétaro.
Never Stop Learning
When you join the IGS community, you get trusted diamond & gemstone information when you need it.
Get Gemology Insights
Get started with the International Gem Society’s free guide to gemstone identification. Join our weekly newsletter & get a free copy of the Gem ID Checklist!