The rock was covered in pyrite, shining in the sunlight.
A shiny, yellow mineral often called "fool's gold" because it looks like gold.
Pyrite is used to produce sulfuric acid in factories.
A source of sulfur used in various industrial processes.
ด้วยพจนานุกรมภาพและแฟลชการ์ดที่ทรงพลังฟรี
