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Minerals - PowerPoint PPT Presentation

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Minerals. Background before studying Minerals and Rocks. http://safeshare.tv/w/CGSaTEcQjF http://www.youtube.com/watch?v=AYBw2Ye0gYY http://www.youtube.com/watch?v=VmoZ4IG0lhQ. Main Idea. Supporting detail. Elements. A substance made entirely of 1 type of kind of atom. Supporting details.

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Background before studying minerals and rocks
Background before studying Minerals and Rocks

  • http://safeshare.tv/w/CGSaTEcQjF

  • http://www.youtube.com/watch?v=AYBw2Ye0gYY

  • http://www.youtube.com/watch?v=VmoZ4IG0lhQ

Main Idea

Supporting detail

  • Elements

  • A substance made entirely of 1 type of kind of atom


Supporting details

Main idea


  • Compounds are 2 or more different elements that have been chemically combined

  • Note : and 2 elements joined together form a structure called a molecule



molecule of 2 Hydrogen atoms

H = element molecule

A molecule made of 2 hydrogen and 1 oxygen

Atom – compound molecule

4 Qualities all minerals must have:

1. ## Naturally occurring –

they are formed in nature

they are NOT made by humans

* Diamonds and other gems can be made in nature but they can also be created in labs but they are not minerals because humans have made them.

Main Idea

Supporting detail

Supporting detail

Main Idea

4 Qualities of


2. ## Solid

- most minerals are solids minerals have a fixed, ridged shape and volume (they take up space)

3. ## Have a definite crystal structure

atoms line up in a regular, repeating pattern.

Supporting detail

Main Idea

4 qualities of



4. ## A fixed chemical composition

Always contains certain elements in the same proportion. They have a chemical formula.

Au = gold

H2O = water

H2O2 = hydrogen peroxide

C6H12O6 = sugar

Most minerals are compounds, (2 or more different elements chemically joined).

Supporting Idea

Main Idea

4 qualities of


Qualities of minerals review

All minerals must:


Occur naturally in nature and are not man made

Crystal structure

Definite chemical composition which is usually a compound

Qualities of Minerals: Review


Create or re-draw you circle map – remember circle maps are used to define terms in

Context or for brainstorming ideas in writing

Write a definition for a MINERAL use a complete sentence


Main idea

Supporting Details

  • Minerals are classified into groups based on composition

  • Silicates – form most of the Earth’s rocks

  • Oxides – form from metals and oxygen

  • Carbonates – form from the elements Carbon and oxygen

  • Native elements – copper, gold and sliver

    ***The grouping names are usually based on elements but occasionally compounds***