minerals mr. skirbst earth science topic 22. minerals naturally occurring, inorganic solid that has...

Minerals Mr. Skirbst Earth Science Topic 22

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Minerals

Mr. SkirbstEarth Science

Topic 22

Minerals

Naturally occurring, inorganic solid that has a definite

chemical composition and crystal structure

5 Characteristics of Minerals1. Naturally occurring –Found in nature, not synthetic

Page 4: Minerals Mr. Skirbst Earth Science Topic 22. Minerals Naturally occurring, inorganic solid that has a definite chemical composition and crystal structure

5 Characteristics of Minerals1. Naturally occurring -2. Inorganic -Not formed by or from living

things

Page 5: Minerals Mr. Skirbst Earth Science Topic 22. Minerals Naturally occurring, inorganic solid that has a definite chemical composition and crystal structure

5 Characteristics of Minerals1. Naturally occurring -2. Inorganic -3. Solid -Definite shape and volume

Page 6: Minerals Mr. Skirbst Earth Science Topic 22. Minerals Naturally occurring, inorganic solid that has a definite chemical composition and crystal structure

5 Characteristics of Minerals1. Naturally occurring -2. Inorganic -3. Solid -4. Definite Composition -Has a specific chemical formula

Page 7: Minerals Mr. Skirbst Earth Science Topic 22. Minerals Naturally occurring, inorganic solid that has a definite chemical composition and crystal structure

5 Characteristics of Minerals1. Naturally occurring -2. Inorganic -3. Solid -4. Definite Composition -5. Crystal Structure -Repeating pattern of atoms

Page 8: Minerals Mr. Skirbst Earth Science Topic 22. Minerals Naturally occurring, inorganic solid that has a definite chemical composition and crystal structure

Mineral Identification

Page 9: Minerals Mr. Skirbst Earth Science Topic 22. Minerals Naturally occurring, inorganic solid that has a definite chemical composition and crystal structure

Mineral Identification

1. Color

Page 10: Minerals Mr. Skirbst Earth Science Topic 22. Minerals Naturally occurring, inorganic solid that has a definite chemical composition and crystal structure

Mineral Identification

1. ColorVery variable,Not reliable

Page 11: Minerals Mr. Skirbst Earth Science Topic 22. Minerals Naturally occurring, inorganic solid that has a definite chemical composition and crystal structure

Mineral Identification

2. Luster

Page 12: Minerals Mr. Skirbst Earth Science Topic 22. Minerals Naturally occurring, inorganic solid that has a definite chemical composition and crystal structure

Mineral Identification

2. LusterThe way light reflects off surface

(metallic or non-metallic)

Page 13: Minerals Mr. Skirbst Earth Science Topic 22. Minerals Naturally occurring, inorganic solid that has a definite chemical composition and crystal structure

Mineral Identification

3. Hardness

Page 14: Minerals Mr. Skirbst Earth Science Topic 22. Minerals Naturally occurring, inorganic solid that has a definite chemical composition and crystal structure

Mineral Identification

3. HardnessResistance to scratching

(Mohs scale and field hardness)

Page 15: Minerals Mr. Skirbst Earth Science Topic 22. Minerals Naturally occurring, inorganic solid that has a definite chemical composition and crystal structure

Mineral Identification

4. Streak

Page 16: Minerals Mr. Skirbst Earth Science Topic 22. Minerals Naturally occurring, inorganic solid that has a definite chemical composition and crystal structure

Mineral Identification

4. StreakColor of powder when rubbed

(streak plate is used)

Page 17: Minerals Mr. Skirbst Earth Science Topic 22. Minerals Naturally occurring, inorganic solid that has a definite chemical composition and crystal structure

Mineral Identification

5. Density

Page 18: Minerals Mr. Skirbst Earth Science Topic 22. Minerals Naturally occurring, inorganic solid that has a definite chemical composition and crystal structure

Mineral Identification

5. DensityMass per unit volume(“heft” used in field)

Page 19: Minerals Mr. Skirbst Earth Science Topic 22. Minerals Naturally occurring, inorganic solid that has a definite chemical composition and crystal structure

Mineral Identification

6. Crystal Shape

Page 20: Minerals Mr. Skirbst Earth Science Topic 22. Minerals Naturally occurring, inorganic solid that has a definite chemical composition and crystal structure

Mineral Identification

6. Crystal ShapeSix basic shapes

Page 21: Minerals Mr. Skirbst Earth Science Topic 22. Minerals Naturally occurring, inorganic solid that has a definite chemical composition and crystal structure

Mineral Identification

7. Breakage

Page 22: Minerals Mr. Skirbst Earth Science Topic 22. Minerals Naturally occurring, inorganic solid that has a definite chemical composition and crystal structure

Mineral Identification

7. BreakageThe way a mineral breaks:

Page 23: Minerals Mr. Skirbst Earth Science Topic 22. Minerals Naturally occurring, inorganic solid that has a definite chemical composition and crystal structure

Mineral Identification

7. BreakageThe way a mineral breaks:Cleavage – smooth surface

Page 24: Minerals Mr. Skirbst Earth Science Topic 22. Minerals Naturally occurring, inorganic solid that has a definite chemical composition and crystal structure

Mineral Identification

7. BreakageThe way a mineral breaks:Cleavage – smooth surface

Fracture – rough surface

Page 25: Minerals Mr. Skirbst Earth Science Topic 22. Minerals Naturally occurring, inorganic solid that has a definite chemical composition and crystal structure

Mineral Identification

8. Special Properties

Page 26: Minerals Mr. Skirbst Earth Science Topic 22. Minerals Naturally occurring, inorganic solid that has a definite chemical composition and crystal structure

Mineral Identification

8. Special Propertiesmagnetic, radioactive, odor,

taste, glow, chemically reactive

Page 27: Minerals Mr. Skirbst Earth Science Topic 22. Minerals Naturally occurring, inorganic solid that has a definite chemical composition and crystal structure

Mohs Hardness Scale1. 6.2. 7.3. 8.4. 9.5. 10.

Page 28: Minerals Mr. Skirbst Earth Science Topic 22. Minerals Naturally occurring, inorganic solid that has a definite chemical composition and crystal structure

Field Hardness Scale1. 6.2. 7.3. 8.4. 9.5. 10.

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