Any Ferrous mineral is made completely up of Iron Oxide of some form. These are Haematite (FeO2) and Magnetite (FeO3). They are very easily identified because they are magnetic and also have a 'Mamellated' habit (rounded - literally breast-like).
Rust is oxidised iron. You could say it is iron trying to revert to its natural state.
calcium
Zinc is a metal element and is not classified under a specific mineral group. It is commonly found in nature as the mineral sphalerite, which is a zinc sulfide.
The tourmaline group (cyclosilicates)
Chalcopyrite is in the sulfide mineral group.
Valentinite belongs to the antimony mineral group.
Ruby belongs to the mineral group Corundum
It is part of the sulphide mineral group.
Window Glass
window glass
Tremolite is a member of the amphibole mineral group.
Talc belongs to the mineral group known as silicates.