“SILICA” на русском языке

Soils are generally clay silica of varied depths and exposures.

Sandy soil attached to the furs was the source of silica in the fur dust.

For some animals, developing hard shells of silica , or incorporating calcium in bones and teeth, has clear benefits.

Precipitation of gold is favoured by similar conditions to those that favour precipitation of silica .

Glass is made from silica the most common mineral on the planet and aluminium is the most abundant metal on earth.