Calcium vs Bostwickite - What's the difference?
calcium | bostwickite |
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.
(mineral) An orthorhombic dark red mineral containing calcium, hydrogen, manganese, oxygen, and silicon.
As nouns the difference between calcium and bostwickite
is that calcium is calcium while bostwickite is (mineral) an orthorhombic dark red mineral containing calcium, hydrogen, manganese, oxygen, and silicon.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: