Calcium and phosphorous.
bone-noun1.Anatomy, zoology .a.one of the structures composing the skeleton of a vertebrate.
b.the hard connective tissue forming the substance of the skeleton of most vertebrates, composed of a collagen-rich organic matrix impregnated with calcium, phosphate, and other minerals.
source: dictionary.com
calcium
hydroxyapatite
Calcium
The main mineral found in bone is hydroxyapatite, which is a form of calcium phosphate. This mineral provides strength and rigidity to bones.
The primary mineral found in bone matrix is hydroxyapatite, a crystalline form of calcium phosphate. It gives bone its strength and rigidity by providing a framework for bone structure.
Phosphorus
Hydroxyapatite is a mineral primarily found in bone tissue. It provides strength and rigidity to bones, helping to support and protect the body.
Bone Mineral Density tests measure the density of minerals in your bones to determine bone strength. This could often be found to be beneficial. However more information can be found at http://www.webmd.com/osteoporosis/bone-mineral-density-test
Calcium. Then others such as fluoride and potassium kagronide.
plascidides
phosphate...i think
Phosphorus is another mineral found in bone, along with calcium. It plays a crucial role in bone structure and strength.