The Expert Guide to Gemstones & Jewelry
Citrine: The Gemstone of Golden Abundance — A Collector's Guide
Everything to know about Citrine: how to tell natural stones from heat-treated ones, its symbolism of prosperity, and how to choose a piece worthy of your collection.
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Pink Ruby: Properties, Meaning & The Complete Guide
The guide to Pink Ruby, the most delicate expression of red corundum. Properties, meaning, and care.
Sterling Silver vs. Fine Silver: The Connoisseur's Guide to 925 and 950
Sterling silver or fine silver? An insider's guide to the real difference between 925 and 950, which to choose, and how to keep either looking flawless for a lifetime.
Wine and Natural Stones: The Sensory Pairing of Córdoba
What do wine and natural gemstones have in common? More than you'd think. A sensory exploration from the Sierras de Córdoba. Rocas & Cristales, in partnership with Bodega Alma Minera, presents "A Shared Origin."
Sierras de Córdoba Fluorite: The Gemstone Born From Bedrock
Fluorite from the Sierras de Córdoba is one of a kind in the world. Discover its geological origin, its properties, and why no two pieces are ever alike. Handcrafted fine jewelry from Rocas & Cristales.
