Onyx is a banded variety of chalcedony, Oxide mineral with chemical composition SiO2. Macro. Background for successful Your projects Picturesby assistantua1/12
Pink rock salt can be found in Hawaii, Utah, Bolivia, Australia, Peru, Pakistan (Himalayan Salt) and Poland. It derives its color from iron oxide and is a splendid addition to many foods. Stock Photographyby brookebecker2/541
Catalytic converter with sensor flue gas (lambda sensor) on white background Stock Photographyby mipan3/33