EAR 105 Lecture Notes - Lecture 10: Banded Iron Formation, Ionic Radius, Covalent Bond
10 Oct 2016
School
Department
Course
Professor
Document Summary
Minerals are the building blocks of the planet. Ore minerals - sources of valuable metals. Industrial minerals - raw materials - raw materials for manufacturing. Ex. banded iron formation from the lake superior region: source of the fe for steel (magnetite and hematite are fe-oxides) Organic compounds have carbon and hydrogen bonds. Some minerals have carbon and hydrogen but are not bonded together. Minerals are ordered, repeatable arrangements of atoms that form solids (ex. Natrolite is a mineral which is used for filtration) Atoms are arranged in a periodic, repeating pattern of single units. A single, continuous piece of crystalline solid. Solidification (think of it as freezing ) from a melt (thick cooling lava) Precipitation from dissolved state in a fluid (water) Other skeletal types (tooth enamel is a mineral called apatite) You can make anything in a lab, but natural conditions dictate the range of elements that will be found together. Minerals can be synthetic (ex. diamonds and quartz)
