What's the difference between
and
Enter two words to compare and contrast their definitions, origins, and synonyms to better understand how those words are related.

Calcium vs Tvedalite - What's the difference?

calcium | tvedalite |

As nouns the difference between calcium and tvedalite

is that calcium is calcium while tvedalite is (mineralogy) an orthorhombic mineral containing beryllium, calcium, hydrogen, manganese, oxygen, and silicon.

calcium

English

Noun

(wikipedia calcium) (Symbol'': ''Ca )
  • A chemical element, atomic number 20, that is an alkaline earth metal and occurs naturally as carbonate in limestone and as silicate in many rocks.
  • * {{quote-magazine, year=2013, month=September-October, author= Katie L. Burke
    • , magazine=(American Scientist), title= In the News , passage=Oxygen levels on Earth skyrocketed 2.4 billion years ago, when cyanobacteria evolved photosynthesis:
  • (countable) An atom of this element.

    • Derived terms

    * bismuth strontium calcium copper oxide * calc-, calci- * calcic * calcio- * * * * * * * * calcium arsenate * calcium carbide * calcium carbonate * calcium chloride * calcium cyanamide * calcium dihydrogen phosphate * calcium fluoride * calcium hydride * calcium hydroxide * calcium light * calcium magnesium carbonate * calcium magnesium silicate * calcium nitrate * calcium oxide * calcium peroxide * calcium phosphate * calcium phosphide * calcium platinate * calcium sulfate, calcium sulphate * calcium sulfide, calcium sulphide * calcium tungstate * dicalcium * monocalcium * oxycalcium * tricalcium

    Related terms

    * BSCCO * * calcia * calcite * calx * calculus

    References

    External links

    See also

    * chalk * lime * limestone ----

    tvedalite

    English

    Noun

  • (mineralogy) An orthorhombic mineral containing beryllium, calcium, hydrogen, manganese, oxygen, and silicon.

    • References

    * Tvedalite in the Mineralogy Database: [http://webmineral.com/data/Tvedalite.shtml]