What do you think? What is a mineral? Are minerals the same as rocks?
Minerals Definition: A naturally formed, inorganic solid with a crystalline structure. 4 questions to ask when identifying a mineral 1.Is it a solid? 2.Is it formed in nature? 3.Is it a nonliving material? 4.Does is have a crystalline structure?
Are They or Aren’t They? To be classified as a mineral, a substance must satisfy five requirements. Properties of Minerals
Lets look further… into how the crystalline structure is formed! Elements – a substance in its purest state, unable to be broken down further Atoms-smallest part of the element and has all properties making the element. Compound-substance made of two or more elements, chemically joined. The compound containing sodium (Na) and chloride (Cl) make up….
Crystals also make up minerals! Crystals -solid, geometric forms of minerals produced by a repeating pattern of atoms, present throughout the space of the mineral. Each mineral is made up of its own crystalline structure
Types of Minerals Silicate minerals Contain silicon and oxygen Make up more than 90% of earths crust Examples QuartzFeldspar Biotite mica
Types of Minerals Nonsilicate minerals Does not contain combo of silicon and oxygen 6 ClassificationsExamples – Native elements copper – Carbonates calcite – Halides fluorite – Oxides corundum – Sulfates gypsum – Sulfides galena
What have you learned? Define in your own words what a mineral is What are minerals made up of?