Olivin n. : A complex bitter gum, found on the leaves of the olive tree; -- called also olivite.

Example:
In Altration if Olivin change to Mg Co3 , waht is the name of this Mgco3 Rock?

Taxonomy
Wikimedia Commons, Olivine Basalt, subcategories, Olivin, Mineralien, Peridot, search, 日本語, free media, repository, Silikate, 橄欖石, 101, Personal tools, Toolbox, Creative Commons Attribution, Fayalite, Forsterite.

Defination from the web:
Olivin ist eine Gruppe von Mineralien aus der Klasse der Silikate. 日本語: 橄欖石. The other name for Olivine is Peridot or Peridote. Subcategories ...