Fahl

Fahl is a term that can refer to several different things. In geology and mineralogy, fahlband is a rock formation characterized by the presence of copper and iron sulfides, often containing precious metals like gold and silver. These bands are typically found in metamorphic rocks and are important targets for mining operations. Fahl ores, therefore, are ores derived from these fahlbands.

Another usage of fahl relates to a surname, most notably associated with Elias Fahl, a Swedish politician and member of the Riksdag. The name "Fahl" can also be found as a given name in some cultures, though it is less common.

The word "fahl" itself has Germanic origins and is related to concepts of darkness or obscurity. Its precise etymology can vary depending on the specific context in which it is used.

In some older or regional dialects, "fahl" might also be used colloquially to describe something that is dull, faded, or lacking in vibrancy, similar to the English word "faded." However, this usage is less widespread in modern standard language.