It’s Lego Time link.

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Presentation transcript:

It’s Lego Time link

Why were the lego structures different? They have a different arrangement of the same pieces.

The internal arrangement of atoms Why are some minerals harder than others? _________________________________ Why do minerals leave a different color streak? ___________________________________ Why do some minerals have cleavage and others have fracture? The internal arrangement of atoms determine a minerals _____________________________ The internal arrangement of atoms The internal arrangement of atoms The internal arrangement of atoms Physical Properties

MOST ABUNDANT ELEMENTS IN MINERALS ***See Earth Science Reference Tables***

The Silicates Mineral Notes The Chemical composition of the Earth’s Crust (page 1 of ESRT’s) is mostly made of oxygen and silicon ** Minerals composed of silicon and oxygen are abundant (lots of them)**

The Silica Tetrahedron is: the building unit for all silicate minerals

Consists of: 1 silicon atom surrounded by 4 oxygen atoms

Quartz Olivine Hornblende Feldspar Augite (pyroxene) Biotite Mica

Muscovite Mica Chlorite Kaoline Garnet

How do you know if it is a Silicate? It’s easy, Just look for silicon and oxygen

A diamond and graphite are not silicates, however they are excellent examples of how minerals can have the same chemical composition (Carbon) but different physical properties because of their crystal structure Diamond Graphite