What type of fibers or minerals are found in the extracellular matrix of bone? How does this composition relate to the properties of bone?

Bone matrix - is the intercellular substance of bone tissue consisting of

1 - collagen fibers,

2 - ground substance (gel of matrix proteins and glycosaminoglycans - proteoglycans and hyaluronic acid - plus water)

3 - inorganic bone salts - carbonated hydroxyapatite