Which type of asbestos is described as brown, difficult to wet, and dries quickly after being wet?

Amosite, commonly referred to as "brown asbestos," is characterized by its difficulty to wet and its quick drying properties after being wet. This type of asbestos is known for its strong, heat-resistant fibers, which can pose significant health risks when disturbed. The fibers of amosite are more likely to remain airborne due to their physical structure, making it even more hazardous during demolition or renovation activities.

In context, chrysotile, often referred to as "white asbestos," is the most commonly used type and tends to be more flexible and easier to dampen. Crocidolite, or "blue asbestos," is known for its high resistance to heat and is considered the most dangerous type due to its extremely fine and sharp fibers. Rock wool, although it is sometimes confused with asbestos, is a completely different material made from mineral fibers and does not share the same properties or health risks associated with asbestos. Recognizing the unique characteristics of amosite helps in understanding the specific hazards and safety measures required when handling asbestos-containing materials.