Fairchildite Mineral Data
General Fairchildite Information
Chemical Formula:
K2Ca(CO3)2
Composition:
Molecular Weight = 238.29 gm
Potassium 32.82 % K 39.53 % K2 O
Calcium 16.82 % Ca 23.53 % CaO
Carbon 10.08 % C 36.94 % CO2
Oxygen 40.29 % O
______ ______
100.00 % 100.00 % = TOTAL OXIDE
Empirical Formula:
K2 Ca(CO3 )2
Environment:
Dimorph with butschliite. The samples are fused wood-ash clinkers that occurs in partly burned fir and hemlock trees in many national parks and forest in the western United States.
IMA Status:
Valid Species (Pre-IMA) 1949
Locality:
Link to MinDat.org Location Data.
Name Origin:
Named after John Gifford Fairchild (1882-1965), analytical chemist at the U. S. Geological Survey.
Name Pronunciation:
Fairchildite + Pronunciation
Synonym:
ICSD 100845
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