5:57 PM October 24, 2011Sanders Unit 2: Rocks and Minerals 2-2 What Are Mineral Properties?

9
October 24, 2011 Sanders 04:24 AM Unit 2: Rocks and Minerals 2-2 What Are Mineral Properties?

Transcript of 5:57 PM October 24, 2011Sanders Unit 2: Rocks and Minerals 2-2 What Are Mineral Properties?

Page 1: 5:57 PM October 24, 2011Sanders Unit 2: Rocks and Minerals 2-2 What Are Mineral Properties?

October 24, 2011 Sanders 12:41 AM

Unit 2: Rocks and MineralsUnit 2: Rocks and Minerals

2-2 What Are Mineral Properties?

Page 2: 5:57 PM October 24, 2011Sanders Unit 2: Rocks and Minerals 2-2 What Are Mineral Properties?

April 22, 2023 Unit 2: Rocks and Minerals 12:41 AM

Identify MineralsIdentify Minerals

Physical properties can be used to identify minerals.

Physical properties can be used to identify minerals.

Page 3: 5:57 PM October 24, 2011Sanders Unit 2: Rocks and Minerals 2-2 What Are Mineral Properties?

April 22, 2023 Unit 2: Rocks and Minerals 12:41 AM

ColorsColors

Color alone cannot be used to identify a mineral.

Quartz comes in many colors.

Color alone cannot be used to identify a mineral.

Quartz comes in many colors.

Page 4: 5:57 PM October 24, 2011Sanders Unit 2: Rocks and Minerals 2-2 What Are Mineral Properties?

April 22, 2023 Unit 2: Rocks and Minerals 12:41 AM

ColorsColors

Some minerals have the same color.

This is why you can’t use color as an identifying property. gold pyrite

Some minerals have the same color.

This is why you can’t use color as an identifying property. gold pyrite

Page 5: 5:57 PM October 24, 2011Sanders Unit 2: Rocks and Minerals 2-2 What Are Mineral Properties?

April 22, 2023 Unit 2: Rocks and Minerals 12:41 AM

StreakStreak

The color of the powder left by a mineral is called streak.

The mineral above left a reddish-brown streak, what is it?

The color of the powder left by a mineral is called streak.

The mineral above left a reddish-brown streak, what is it?

Page 6: 5:57 PM October 24, 2011Sanders Unit 2: Rocks and Minerals 2-2 What Are Mineral Properties?

April 22, 2023 Unit 2: Rocks and Minerals 12:41 AM

DensityDensity

Density or specific gravity can be used to identify minerals.

Prospectors pan for gold because gold has a greater specific gravity than other minerals.

Density or specific gravity can be used to identify minerals.

Prospectors pan for gold because gold has a greater specific gravity than other minerals.

Page 7: 5:57 PM October 24, 2011Sanders Unit 2: Rocks and Minerals 2-2 What Are Mineral Properties?

April 22, 2023 Unit 2: Rocks and Minerals 12:41 AM

Mineral StructuresMineral Structures

Minerals can be identified by their structure; whether the crystal cleaves fractures.

Minerals can be identified by their structure; whether the crystal cleaves fractures.

Page 8: 5:57 PM October 24, 2011Sanders Unit 2: Rocks and Minerals 2-2 What Are Mineral Properties?

April 22, 2023 Unit 2: Rocks and Minerals 12:41 AM

HardnessHardness

The property of a mineral to resist being scratched is its hardness.

A harder mineral can scratch a softer mineral.

The property of a mineral to resist being scratched is its hardness.

A harder mineral can scratch a softer mineral.

Page 9: 5:57 PM October 24, 2011Sanders Unit 2: Rocks and Minerals 2-2 What Are Mineral Properties?

April 22, 2023 Unit 2: Rocks and Minerals 12:41 AM

LusterLuster

The way a mineral reflects light from its surface is called luster. Metallic Non-metallic

The way a mineral reflects light from its surface is called luster. Metallic Non-metallic