670-61-16-63 cmd@cristalljoia.com In the heart of Barcelona and online
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Moonstone, lunar glow captured in stone
Discover the magic of moonlight captured within moonstone
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Fluorescent minerals under UV light
Discover the fascinating fluorescent minerals under UV light at Cristalljoia
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Descubre el brazalete de mineral perfecto para tí
We offer an immense variety of mineral bracelets; discover some of them here.
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Fluorite: properties, uses, and secrets of the most powerful multicolored mineral
Fluorite is a fascinating mineral known for its colors and properties. Learn what it is used for, its applications, and its meaning.
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Septarea, el secreto de las grietas de Madagascar
Septarian from Madagascar: a natural stone with history, craftsmanship, and beauty
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Black Obsidian Mirror: Complete Guide to Use, Benefits, and Authenticity 2026
Looking for an authentic black obsidian mirror? Discover what it’s used for, its benefits, and how to use it. We offer small, medium, and large sizes (8 to 15 cm) with a free cleansing kit included. Buy yours in Barcelona and connect with your truth!
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The history of dice and mineral symbolism
Dice are among the oldest gaming objects in the history of humanity. Their origin goes back several millennia.
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Chalcedony in the hands of Romans and Greeks: power, seals, and secrets
Greeks and Romans engraved their authority in chalcedony: signet rings, contracts, magic, and politics. A humble stone that sealed agreements, protected secrets, and upheld power.
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Hemimorphite, luminous and serene, holds a fascinating secret.
Hemimorphite is not a common crystal; it is a rebel of geometry. Its name comes from the Greek “hemi” (half) and “morphé” (form), and this holds a fascinating secret.
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Lemon Quartz, summer freshness
Lemon quartz is like a ray of sunshine captured in crystal: a gem of pure clarity that transforms dense energy into vibrant optimism.
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