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Mineral Groups

Explore the fascinating world of minerals, focusing on silicates and non-silicates. Silicates, which contain silicon (Si) and oxygen (O), are divided into sialic (light-colored, non-ferromagnesium minerals like feldspar and quartz) and simatic (dark-colored, ferromagnesium minerals such as olivine and mica). Non-silicates encompass various categories including carbonates, oxides, halides, sulfates, sulfides, and native elements. Discover their compositions, characteristics, and significance in geology.

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Mineral Groups

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  1. Mineral Groups Common Categories

  2. Silicates Contain Si and O Sialic or Simatic Non Silicates Does not contain Si Two Basic Divisions

  3. Sialic Light colored Non-ferromagnesium Feldspar KAlSi3O Quartz SiO2 Simatic Dark colored Ferromagnesium Olivine MgSiO4 Mica KMgFe3AlSi3O10 http://images.google.com/imgres?imgurl=http://www.mii.org/Minerals/Minpics1/Potash%2520feldspar.jpg&imgrefurl=http://www.mii.org/Minerals/photofeldspar.html&h=322&w=360&sz=29&tbnid=hIrGkAbLv3X6pM:&tbnh=108&tbnw=121&prev=/images%3Fq%3Dfeldspar%2Bimage%26um%3D1&start=3&sa=X&oi=images&ct=image&cd=3 http://un2sg4.unige.ch/athena/mineral/images/quartz2_orpierre.html http://webmineral.com/data/Olivine.shtml http://www.soes.soton.ac.uk/resources/collection/minerals/minerals/pages/M31-Muscovite.htm Silicates

  4. Non-Silicates Carbonates • Always end with C and O • Calcite CaCO3 http://www.minerals.net/mineral/carbonat/calcite/images/12cleave.htm

  5. Non-Silicates Oxides • Metal with O • Hematite Fe2O3 www.cst.cmich.edu/users/dietr1rv/hematite-a.jpg • Magnetite Fe3O4 http://webmineral.com/specimens/Magnetite.jpg

  6. Non-Silicates Halides • Halogens (Cl & F) plus alkali or alkaline earth metal • NaCl • KCl • NaF

  7. Non-Silicates Sulfates • Ends in SO4 • Gypsum CaSO4*2H2O http://webmineral.com/specimens/picshow.php?id=480

  8. Non-Silicates Sulfides • Metals plus sulfur (no O after S) • Pyrite - FeS2 • Galena - PbS • Sphalarite ZnS • http://webmineral.com/data/Pyrite.shtml • http://webmineral.com/specimens/Galena.jpg • http://webmineral.com/data/Sphalerite.shtml

  9. Non-Silicates Native • Single element • Copper - Cu • http://www.minerals.net/mineral/elements/copper/copper2.htm • Sulfur - S Shttp://webmineral.com/data/Sulfur.shtml • Graphite - C • http://webmineral.com/data/Graphite.shtml • Gold - Au • http://webmineral.com/specimens/picshow.php?id=461

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