The "proper story" emerged when advanced X-ray crystallography proved that as a separate crystal structure.
If you'd like to explore more about how iron is used in other contexts, and its connection to iron overload. Biological roles of iron in pancreatic beta cells. Iron found essential for growth and survival of beta cells beta iron
Today, the term is mostly obsolete in formal metallurgy, as scientists realized the " " phase was just alpha iron without its magnetic pull. beta iron
In the late 1800s, metallurgists noticed that when iron reached roughly 768∘C768 raised to the composed with power C beta iron