Presentation on theme: "Minerals Minerals touch our lives in hundreds of ways everyday-we could not live without them!"— Presentation transcript:
Minerals Minerals touch our lives in hundreds of ways everyday-we could not live without them!
We use minerals to Growing food, tractors, water pipes, electrical wiring, refrigerator, radio, toaster, lamp, light bulbs, sheets, towels, clothing, make up, fireworks, soap and toothpaste, windows; cereal bowls and dishes, glasses and cups, faucets, doorknobs, electronics; cars, trucks, ships, and railroad cars; bricks, tiles, siding, and houses-Every part of our lives depends on minerals.
We use 2 billion tons of minerals each year in the US. Thats 10 tons of minerals for every man, woman, & child! Minerals must be mined from the Earth. But they are nonrenewable resources, so once we use them up, we will have no more to use.
There are over 3000 minerals. The harder a mineral is to find or get out of the Earth, the more expensive it will be. Some pure elements make up minerals. Example: gold, platinum. Minerals form everywhere.
How minerals form Through crystallization of melted materials. (as it cools crystals grow) Through crystallization of materials dissolved in water. (water evaporates or cools leaving minerals behind) Generally happens slowly
To be a mineral, something must be……
inorganic It did not come from a living or once living thing
Have a crystalline structure Symmetrical arrangement of atoms Atoms determine structure which determines all properties about the mineral.
Crystalline NOT Crystalline
Mineral Properties Each mineral has its own unique properties. They are used to identify the mineral.
Luster-ability to reflect light- metallic nonmetallic
Density A measurement of how tightly packed the atoms are.