Calcium vs Schlegelite - What's the difference?
calcium | schlegelite |
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=
, magazine=(American Scientist), title= (countable) An atom of this element.
(mineralogy) An orthorhombic-dipyramidal yellow mineral containing arsenic, bismuth, calcium, lead, molybdenum, oxygen, phosphorus, and vanadium.
As nouns the difference between calcium and schlegelite
is that calcium is calcium while schlegelite is (mineralogy) an orthorhombic-dipyramidal yellow mineral containing arsenic, bismuth, calcium, lead, molybdenum, oxygen, phosphorus, and vanadium.calcium
English
Noun
(wikipedia calcium) (Symbol'': ''Ca )Katie L. Burke
In the News, passage=Oxygen levels on Earth skyrocketed 2.4 billion years ago, when cyanobacteria evolved photosynthesis: