Yes, strontium is a manmade gemstone.
Strontium is a natural element.
Strontium Oxide (SrO)
The formula unit for the ionic compound made of strontium and sulfur is SrS, called strontium sulfide.
Strontium is an element it is made in stars and is blasted into the interstellar medium when stars explode. It can also be made in Human nuclear reactors.
The strontium oxides are SrO and SrO2.
Strontium Salts
Strontium chloride is a salt (SrCl2). made from a mixture of strontium and chloride. It is now mainly used in fireworks as it burns red, although a one time it was used in toothpaste to help with sensitive teeth.
strontium sulfide
Strontium is strontium (Sr) !
Strontium-88 It is the closest to the Strontium atomic mass.
What is the binary formula for strontium bromide
The valence of strontium is 2+.The electronegativity of strontium is 0,95.