Mineral Families Flashcards
Native Elements:
Ex:
Consist of a single element
Graphite
Halides:
Ex:
Consist of a metal plus halogen (CI, F, Br)
Flourite
Carbonates:
Ex:
Consist of a metal and carbonate group (CO3)
Calcite (CaCO3)
Sulfides:
Ex:
Consist of metal and sulfur
Galena (PbS)
Pyrite (FeS2)
Sulfates:
Ex:
Consist of a metal and sulfate group (SO4)
Selenite Gypsum (CaSO4 • 2H2O)
Oxides:
Ex:
Consist of metal and oxygen
Magnetite (Fe3O4)
Hematite (Fe2O3)
Silicates:
Ex:
Consist of silicon and oxygen (SiO4 or SiO2)
Olivine, Quartz, Talc, Muscovite, Biotite, Pyroxene, Amphibole, Potassium Feldspar, Garnet
Silicate Facts:
Largest family of minerals
Most common
Basic unit-tetrahedron
Consists of SiO4
Draw Silica Tetrahedron
…
Ore:
Commercial value and use and can be extracted from the earth (lead, iron), usually metals
Gem:
Rare minerals of great beauty and value (diamonds, rubies)
Mineralogy:
The study of minerals
Mineral Classification:
Grouped into families according to their chemical composition