'Hematite fe 2' presentation slideshows

Pigments in Forensic Geology

Pigments in Forensic Geology. Pigments are the coloring agents mixed with a vehicle to make coating such as paints, inks, and cosmetics

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EARTH MATERIALS EQ:What materials compose the Earth?

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Mineral Groups

Mineral Groups. Common Categories. Silicates Contain Si and O Sialic or Simatic. Non Silicates Does not contain Si. Two Basic Divisions. Sialic Light colored Non-ferromagnesium Feldspar KAlSi 3 O Quartz SiO 2. Simatic Dark colored Ferromagnesium Olivine MgSiO 4

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Common ferrous minerals Magnetite Fe 3 O 4 Pyrite FeS 2 Hydrolysis products

Fe +2. The Iron Cycle. Fe +3. Common ferrous minerals Magnetite Fe 3 O 4 Pyrite FeS 2 Hydrolysis products FeOH + , Fe(OH) 2 0. Common ferric minerals Iron hydroxide Fe(OH) 3 Goethite FeOOH Hematite Fe 2 O 3 Jarosite KFe 3 (SO 4 ) 2 (OH) 6. Weathering. Weathering.

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