Chalk

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Revision as of 21:37, 26 June 2019 by Admin (talk | contribs) (Created page with "{{Ore |name=chalk |freq=common |hardness=1 |density=2.5 |chemf=CaCO3 |calctemp=900 |calcprod=CaO |m1=Ca }} Chalk is a finely divided mineral form of calcium carbonate.")
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chalk 
Frequency common 
Hardness
Density 2.5
Chemical Formula CaCO3 
Core Elements Ca 
Thermal Decomposition
CaCO3
900°C
CaO

Chalk is a finely divided mineral form of calcium carbonate.