General Information:
Chemical Formula:Na2Ca(CO3)2
Composition:(Molecular Weight = 206.08 gm)Sodium 22.31 %
NaCalcium 19.45 %
CaCarbon 11.66 %
C Oxygen 46.58 %
O Empirical Formula: Na2Ca(CO3)2
Environment:Found in burbankite-calcite veins. Possible trimorphous with nyerereite and zemkorite.
IMA Status:Approved IMA
Locality:Vuori-Jarvi massif, Kola Peninsula, Russia.
Name Origin:Named as the Na analog of fairchildite.
Physical Properties: Cleavage:[0001] Distinct
Color:white.
Density:2.541
Diaphaniety:Transparent
Habits:Platy - Sheet forms (e.g. micas)., Fan Shaped - Occurs as radiating crystals shaped like a fan., Aggregates - Made of numerous individual crystals or clusters.
Hardness:2.5 - Finger Nail
Luminescence:Fluorescent, Short UV=orange, Long UV=orange.
Luster:Vitreous (Glassy)
Streak:white
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