1Liz LaRosa 5th grade science www.middleschoolscience.com 2010 Groups of MineralsLiz LaRosa 5th grade science 2010
2Mineral Groups - NotesAs you view the slides, write your notes into the graphic organizers.Include all the information from each slide into the appropriate boxes. Write neatly and carefully.You will not be expected to memorize this information, but this information will be used as a reference throughout our mineral unit and help you become familiar with the different types of minerals that exist.
3Mineral GroupsMinerals are divided into groups based on their chemical compositionThe two main groups all minerals can be classified into are:SilicatesNonsilicates
4Silicates Made of Silicon (Si) and Oxygen (O) Example: SiO4Make up 90% of the Earth’s crustCombine with elements such as Aluminum (Al), Iron (Fe), Magnesium (Mg), and Potassium (K)
5Silicates - Groups Nesosilicates Willemite – Zn2(SiO4) found in Franklin, NJGarnet - A3B2(SiO4)3