Pure CaCO3 crystallized as calcite. Recharacterized after milling
OriginSynthetically produced calcium-carbonate
- Major component is Ca with 40 %m/m.
- Mg/Ca-ratio of 0.770 mmol/mol (rounded values).
- Sr/Ca-ratio of 0.190 mmol/mol (rounded values).
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Trace element concentrations in (bio) carbonates are used as proxies in paleo-climate research (foraminifera, corals, pteropods, mussel shells, red algae, stalactites, etc.), serve as proof of origin (corals, otoliths), etc.