Category:Materials with no specific chemical formula
Materials that have no determined chemical formula, either because it varies depending on the material type, have too many chemicals that can be counted or are made of a mixture of various chemicals, in an unknown ratio. Examples include natural-derived products, certain minerals, glasses, ceramic materials.
This category has the following 3 subcategories, out of 3 total.
Pages in category "Materials with no specific chemical formula"
The following 28 pages are in this category, out of 28 total.