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What is meant by "normal conditions" in this article? The context seems to refer to conditions in the Earth's crust, as a mineral- is that what is meant? Walkerma 03:29, 26 July 2005 (UTC)
Missing info
editI filled in molar mass and formula, but I could not find any of the other information. It would be good if someone could fill it in. I am unsure of whether or I should remove the X's or leave them as placeholders.