General Information:
Chemical Formula:
K2Ca(CO3)2
Composition:
(Molecular Weight = 238.29 gm)
Potassium 32.82 % K
Calcium 16.82 % Ca
Carbon 10.08 % C
Oxygen 40.29 % O
Empirical Formula:
K2Ca(CO3)2
Environment:
Occurs in the clinkers of melted wood ash found in partly burned trees, mainly hemlock and fir, in the forests of the western United States. Dimorphous with fairchildite.
Name Origin:
Named for Johann Adam Otto Butschli (1848-1920), professor of zoology, Heidelberg, Germany, who studied the double carbonates of K and Ca.
Physical Properties:
Cleavage:
[0001] Distinct
Habits:
Microscopic Crystals - Crystals visible only with microscopes., ,
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