By Amanda

Are all minerals precious?

NO!! Quartz is the most common mineral and is not precious.

Precious Minerals •Diamond •Ruby•Sapphire•Emerald•Aquamarine•Topaz•Opal

Unprecious Minerals•Calcite•Pyrite•Moonstone•Fluorite•Crystal•Jade•Pearl

Crystal

Diamond

SourcesSIRS DISCOVERER “Quartz” http://discoverer.prod.sirs.com/discoweb/disco/do/article?urn=urn%3Asirs%3AUS%3BARTICLE%3BART%3B0000028093

DiamondRuby

This is my presentation!

Thank you!!!!!