factor VIII
The correct spelling is deficiency.
Scurvy is not caused by any mineral. It is caused by a vitamin C deficiency.
mineral deposits
The density and specific gravity of a mineral is caused by the arrangement of atoms in the crystalline structure and the elements of which the mineral is composed.
defiency of vitamin a causes blindness.
color
The ruby is a variety of the mineral corundum, so the ruby is indeed a mineral.
internal piping has mineral deposits
Mineral extraction caused much disruption to local quality of life during the UK's Industrial Revolution.
Calcuim is used to build bones. Without it your skeleton might suffer
No, Pica is not a contagious condition. Pica is generally caused by a mineral deficiency, and someone with a mineral deficiency can't pass that deficiency on to others.