re: You know
BTW, caliche = CaC03, calcite - CaC03.
Howzit harder?
Aragonite is also CaCO3 and is harder than calcite.
It's the arangement of the atoms.
Graphite = C, diamond = C
Space/Science » in reply to You know
BTW, caliche = CaC03, calcite - CaC03.
Howzit harder?
Aragonite is also CaCO3 and is harder than calcite.
It's the arangement of the atoms.
Graphite = C, diamond = C