Opening quiz for unit 2 Get out you ESRT and a piece of paper The following questions are from...

Opening quiz for unit 2

Get out you ESRT and a piece of paperThe following questions are from your

ESRT.You’ll have a minute per question…

Question 1

On page 16 of your ESRT what are the two main types of Luster?

Question 2

I am a mineral that in nonmetallic, has a hardness of around 3 and my chemical formula is CaCO3.

Question 3

On page 6 of your ESRT What two types of environments of igneous rocks are there.

Question 4

Looking at page 7 in your ESRT what is the grainsize of Sandstone?

Answers

1. what are the two main types of Luster?1. Nonmetallic and metallic

2. nonmetallic, has a hardness of around 3 and my chemical formula is CaCO3

1. Calcite

3. What two types of environments of igneous rocks 1. Intrusive and extrusive

4. what is the grain size of Sandstone 1. 0.2-0.006cm

Rocks & Minerals

The Building Blocks of society

MineralsLesson 1

Jewelry, computers, walls, and more

MineralsLesson 1

What is a mineral?

How are Minerals different from rocks?

How are minerals formed?

How are minerals identified?

What is a mineral?

Object that’s:1. formed naturally2. Solid3. internal

arrangement of atoms

4. inorganic

Minerals

There are 1000’s of minerals out there but only a few dozen common ones.

How are minerals different from rocks?

Atoms form minerals

Minerals form rocks

Organized Internal Arrangement Of atomsIAOA

Crystals StructureTetrahedron

How are minerals formed?

Minerals from solution

Cooling of magma

Heat and Pressure

How are minerals formed?

Precipitation from solution

How are minerals formed?

Evaporation from solution

How are minerals formed?

Cooling of magma

How are Minerals identified?

physical properties: color, hardness, cleavage, fracture, streak, and luster

chemical properties: reaction to acid

Mineral properties

ColorLusterTextureStreakHardnessCleavage / FractureDensityOther

How are Minerals identified?

Color not a good identifier.

Some minerals have different colors

Different minerals can have the same color

How are Minerals identified?

Luster how the mineral reflects light.– Metallic – Nonmetallic

How are Minerals identified?

streak color of a mineral in its powdered form

How are Minerals identified?

Hardness is based on the internal arrangement of atoms

Strong bonds mean hard minerals

Diamond = 10

Talc = 1

How are Minerals identified?

Cleavage flat, smooth, shiny, surfaces occur along weak atomic bonds

How it breaks (in shapes)

How are Minerals identified?

fracture uneven, rough surfaces

Breaks randomly

How are Minerals identified?

Reaction to acid chemical reaction to acid confirms calcite

Feel Soapy, greasy, etc.

Magnetismmagnetic properties

Reacts to Ultraviolet light

Some minerals that glow?

Let’s make some minerals

We will melt down some bismuth into lava.

Then I will cool it down slowly.Last I will drain away any extra lava