Tag: Clay composition

Revered for centuries, white clay, commonly known as kaolin, is a soft, earthy mineral predominantly composed of the mineral kaolinite. The precise mineral composition of white clay, which can include trace elements like silica and aluminum, makes it highly valuable across numerous industries, from high-end ceramics to gentle skincare.

Dating back to ancient civilizations, the practice of consuming clay, known as geophagia, has a long and complex history across many cultures. Proponents claim several health benefits, but understanding what is edible clay made of is crucial to distinguishing its composition and potential dangers.

The Earth's crust is approximately 8% aluminum, and as a result, the answer is a definitive yes: clay does contain aluminum. However, the aluminum in clay is not in a free metallic state but is a fundamental component of its mineral structure, affecting its properties and uses.