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Minerals near you By riley bRacewell.

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Presentation on theme: "Minerals near you By riley bRacewell."— Presentation transcript:

1 Minerals near you By riley bRacewell

2 makeup Muscovite- it is the most common of the mica group minerals it was named in by Johann Gottfried it was a substitute for glass “Muscovy glass” Talc- a “1” on Mohs hardness scale it can be identified by its softness and greasy feel it’s name comes the Arabic word pure Hematite- it can always be identified by its characteristic red streak its in the oxides group

3 muscovite

4 talc

5 hematite

6 Can opener Chromite- is the first to separate from a cooling magma and large chromite Discovered is 1845 It is in the oxides group Copper- the most popular use for the mineral is for electrical purposes Tarnish to black or green in the air It is in the native elements group

7 chromite

8 copper

9 pencil Graphite was named from the Greek “Graphein” meaning to write
Color iron black to steel grey Its in the native elements group Distinguished greasy feel and the dark marks it leaves on your hands

10 graphite

11 Vacuum Silver the mineral is used in jewelry and silverware,and coins
It was named after the old English word “Seolfor” It tarnishes The formula is Ag Pentlandite it was discovered in 1856 it was named J.B Pentland It is a bronze or brown color and it is in the sulfides group

12 silver

13 pentlandite

14 Mirror Quartz found in a variety of colors the name is a German word of ancient derivation It is in the tectosilicates group the hardness is a level 7 on the mohs scale Gold it has a low melting point and is malleable its principle use as monetary standard The color is rich yellow the hardness is 2.5 – 3.0 The formula is Au

15 quartz

16 gold


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