Calcium

Calcium was an elemental material found in the Realms.
==Availability==
In , the Elemental Store of Karsus Enclave sold pure elemental powdered calcium for 4 gp per .
===Occurrences===
* Limestone was made up of calcium carbonate.
* Hot springs contained mineral-rich water that left deposits of calcium carbonate behind.
* Gypsum was made of calcium sulfate, and created naturally-sculpted crystal flowers. Stalactites and stalagmites were made of "dripstone", calcium carbonate left behind by dripping water.
* The Quasi-Elemental Plane of Minerals turned to calcium near the Elemental Plane of Water.
* Animal bones and shells usually had high concentrations of calcium.
* Nacre was a calcium-rich substance that made up pearls, mother of pearl, and some shells.
* Barley grass contained extremely high amounts of calcium.
* Brain coral produced a protective shell of pure calcium carbonate.
* Hook horrors had a steel-tough exoskeleton strengthened with calcium.
* Carnivorous plants grew in areas with poor soil minerals such as calcium.
==Usages==
* Calcium was used in certain medical products.
* Slakers used calcium from crushed shells to produce fire-suppressing carbon dioxide foam.
* Lobster shells were rich in calcium and magnesium, and could be used as fertilizer.
==Appendix==
===External Links===
* 
===References===
Category:Substances
Category:Items
Category:Items from Netheril
Category:Items from North Faerûn
Category:Items from Faerûn
Category:Items from Toril