Recent Examples of calcite from the Web
Some parts of the underwater cave even preserved the footprints of ancient bears, crusted over in a film of calcite.
As calcite is a somewhat soluble mineral, the concretions weather away, leaving the holes.
What if, for example, an advance mission carried certain types of bacteria known to create calcite when exposed to water?
The scientists found that about 95 percent of the carbon dioxide was converted into calcite.
Their approach involves dissolving the gas with water and pumping the resulting mixture — soda water, essentially — down into certain kinds of rocks, where the CO2 reacts with the rock to form a mineral called calcite.
This left researchers at the University of Copenhagen pondering if there might be something special about the calcite secreted by coccolithophores.
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