Zemkorite Mineral Data
General Zemkorite Information
Chemical Formula:
(Na,K)2Ca(CO3)2
Composition:
Molecular Weight = 217.22 gm
Potassium 5.40 % K 6.50 % K2 O
Sodium 19.05 % Na 25.68 % Na2 O
Calcium 20.30 % Ca 28.40 % CaO
Carbon 11.06 % C 40.52 % CO2
Oxygen 44.19 % O
______ ______
100.00 % 101.10 % = TOTAL OXIDE
Empirical Formula:
Na1.8 K0.3 Ca1.1 (CO3 )2
Environment:
Fracture fillings in unaltered diamondiferous kimberlite found in drill cores.
IMA Status:
Approved IMA 1988
Locality:
Udachnaya pipe, Daldyn kimberlite field, Yakutiya, Russia. Link to MinDat.org Location Data.
Name Origin:
Named for the Institute of the Earth's Crust (Russian: zemnoy kory = "earth's crust"), Russian Academy of Science, Siberian Branch where the mineral was first studied.
Name Pronunciation:
Zemkorite + Pronunciation