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Identifying Minerals Each mineral has its own specific properties that can be used to identify it, this is due to the fact that each mineral has its own.

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Presentation on theme: "Identifying Minerals Each mineral has its own specific properties that can be used to identify it, this is due to the fact that each mineral has its own."— Presentation transcript:

1 Identifying Minerals Each mineral has its own specific properties that can be used to identify it, this is due to the fact that each mineral has its own unique make-up. Hardness- Mohs Hardness Scale Streak Luster

2 Identifying Minerals Each mineral has its own specific properties that can be used to identify it.

3 Hardness- Mohs Hardness Scale
Hardness (how hard a mineral is) is one of the best properties that can be used to help identify a mineral Mohs Hardness Scale ranks 10 minerals from softest to hardest, Talc is softest and Diamond is hardest

4 Hardness- Mohs Hardness Scale
Our textbook lists Feldspar for 6

5 Streak Streak tells the color of a mineral’s powder. To find the streak of a mineral you rub the mineral against an unglazed tile called a streak plate.

6 Streak

7 Streak Is this Gold? How do you know?

8 Luster Luster describes how a mineral reflects light from its surface. Such as: Description Examples Glassy Quartz Silky Gypsum Greasy Talc, some Quartz Metallic Gold, Pyrite, Galena etc Earthy Kaolin Waxy some Serpentine Pearly Gypsum, some Talc Resinous Amber Brilliant Diamond Dull Graphite

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