Calcium per se does not have many uses I can think of.
Old uses of calcium minerals include "limelight' made by playing a flame on limestone.
Whitewash made from reduced limestone is much less common than it used to be.
Its in milk....
Bones
Bones
the properties and uses of the mineral
Your body uses calcium to help kepp strong bones and teeth. These are just a couple of the things that your body uses calcium for!
Wulfenite is an ore of lead and molybdenum.
you can find calcium in your bones and teeth
For one thing calcium is highly reactive and does not occur naturally in it elemental form. The calcium in dairy products is in the form of calcium compounds, which contain the calcium ion, Ca2+. It is in this form the the body uses calcium anyway. Additionally, terms such as "high calcium" in dietary terms refer to what are actually relatively small amounts of a particular mineral or vitamin. A glass of milk only contains a few hundred milligrams of calcium.
iphone
Gypsum is a compound. It is a soft sulfate mineral composed of calcium sulfate dihydrate (CaSO4·2H2O.CaSO4·2H2O). The word gypsum comes from the Greek word meaning chalk or plaster, two of its most common uses.
No
Cavansite is a very rare mineral mainly used at a collectors item.