Iron is necessary for the blood to function. It can form without iron but to carry oxygen, the hemoglobin molecules in red blood cells require iron.
Good for Coughing
The arrangement of atoms in a mineral sample can cause the formation of crystals.
Mineral crystal formation is a naturally occurring process of inorganic material. Crystal formation can occur in organic material as well, but would not be considered mineralogical crystal formation.
Jello
Skeletal System
calcium
Iron.
The definition of hue is color. Appearance could also relate to color, or if the mineral has cleavage or is fractured. Cleavage refers to the formation of a mineral in layers, and fracture is when a mineral has no specific formation pattern. These characteristics are visible. How a mineral appears is what it looks like.
A stalagtite is a mineral formation that forms at the top of a limestone cave. A stalagmite is a mineral formation that rises from the bottom of a limestone cave.
calcium
Iron
a pegmatite