coal
Carbon
Although the element lead is found in a variety of minerals, the mineral galena is the most common ore used in lead extraction.
Silica dioxide or quartz is the most common mineral found on the surface of the earth and is one of the common minerals found in rocks.
Water.
quartz
If you mean the most common element it is hydrogen.
Oxygen is the most common element in the crust.
The second most common element on Earth is silicon, which makes up about 28% of Earth's crust. The most common element found on a Earth is oxygen which is about 47%.
Oxygen is the most common element in the crust.
No type of magnetic mineral found in nature is properly called "platinum" by a chemist, because platinum is a chemical element and is not magnetic! The most common magnetic mineral found in nature is called "magnetite". It contains both iron (II) and iron (III) oxides in nearly constant proportions.
Ca is the symbol for calcium, which is the most common element found in bones. Phosphorus is also important for bone health.
Selenium is not a common element but is necessary.