Natural Gems Belgium Editorial Team

Why did ancient Andean societies value a brilliantly coloured seashell so highly that it became part of royal ornaments, agricultural offerings and sacred ceremonies? Explore the remarkable history of Spondylus, known as mullu, from the coastal workshops of ancient Peru to an extraordinary Inca offering discovered beneath Lake Titicaca. Discover the relationship between marine biology, long-distance trade, religious symbolism and the spiritual importance of water in the Andes.

In South Asian astrological traditions, blue sapphire occupies an unusually complex position. Associated with Shani, the planetary deity of Saturn, it has been regarded both as a potentially challenging gemstone and as an important component of protective nine-gem jewellery. Explore the history of navaratna, the religious symbolism of planetary gemstones, remarkable surviving Indian jewels and the scientific properties of natural sapphire. A historically grounded examination of spiritual belief, cultural tradition and gemmological evidence.

For thousands of years, Indigenous peoples have travelled to the red pipestone quarries of southwestern Minnesota. Here, a remarkably soft natural stone became central to sacred pipe traditions, prayer, cultural identity and relationships with the land. Explore the geology of catlinite, the spiritual traditions of the Dakota and Lakota peoples, the history of quarrying rights and the continuing importance of this remarkable sacred landscape. A historically grounded examination of Indigenous beliefs and scientifically established mineral properties.

Nearly four thousand years ago, skilled Mesopotamian artisans engraved miniature religious scenes into dark, polished hematite. These remarkable cylinder seals served as personal signatures, administrative instruments and, in certain contexts, protective amulets. Discover how Babylonian beliefs concerning Ishtar, Shamash and Amurru became part of gemstone craftsmanship, why hematite was valued for seal production, and how archaeology distinguishes documented religious traditions from modern crystal-healing claims.