identify the minerals © copyright 2005. m. j. krech. all rights reserved. can you identify these...
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![Page 1: Identify the Minerals © Copyright 2005. M. J. Krech. All rights reserved. Can you identify these minerals?](https://reader035.vdocuments.mx/reader035/viewer/2022062217/56649f1f5503460f94c372da/html5/thumbnails/1.jpg)
Identify the Minerals
© Copyright 2005. M. J. Krech. All rights reserved.
Can you identify these minerals?
![Page 2: Identify the Minerals © Copyright 2005. M. J. Krech. All rights reserved. Can you identify these minerals?](https://reader035.vdocuments.mx/reader035/viewer/2022062217/56649f1f5503460f94c372da/html5/thumbnails/2.jpg)
1. What is this mineral?
Properties:
• Hardness: 5 - 6• Luster: Earthy, nonmetallic (but sometimes metallic)• Streak: Red• Color: Steel-gray, red,
reddish-brown, or black• Breakage: Fracture
![Page 3: Identify the Minerals © Copyright 2005. M. J. Krech. All rights reserved. Can you identify these minerals?](https://reader035.vdocuments.mx/reader035/viewer/2022062217/56649f1f5503460f94c372da/html5/thumbnails/3.jpg)
1. This mineral is Hematite.
• Source of red pigments
in paint
• Important iron ore
• Named from the Greek word for blood
![Page 4: Identify the Minerals © Copyright 2005. M. J. Krech. All rights reserved. Can you identify these minerals?](https://reader035.vdocuments.mx/reader035/viewer/2022062217/56649f1f5503460f94c372da/html5/thumbnails/4.jpg)
2. What is this mineral?
Properties:
•Hardness: 3.5-5.5•Luster: Resinous, nonmetallic•Streak: yellow-brown•Color: yellow, brown, red, green, black and sometimes gray•Breakage: Fracture
![Page 5: Identify the Minerals © Copyright 2005. M. J. Krech. All rights reserved. Can you identify these minerals?](https://reader035.vdocuments.mx/reader035/viewer/2022062217/56649f1f5503460f94c372da/html5/thumbnails/5.jpg)
2. This mineral is Sphalerite.• A principal source
of zinc • Sometimes called
Zincblende• Often associated
with galena deposits• Difficult for miners
to distinguish from galena, so they named it sphalerite which is Greek for treacherous rock
![Page 6: Identify the Minerals © Copyright 2005. M. J. Krech. All rights reserved. Can you identify these minerals?](https://reader035.vdocuments.mx/reader035/viewer/2022062217/56649f1f5503460f94c372da/html5/thumbnails/6.jpg)
3. What is this mineral?
Properties:
•Cleavage: cubic•Hardness: 2.5•Very heavy•Luster: Metallic•Color: Lead to silver gray•Streak: Lead gray
![Page 7: Identify the Minerals © Copyright 2005. M. J. Krech. All rights reserved. Can you identify these minerals?](https://reader035.vdocuments.mx/reader035/viewer/2022062217/56649f1f5503460f94c372da/html5/thumbnails/7.jpg)
3. This mineral is Galena.
• Most important ore of lead
• Used in X-ray shield aprons
• Associated with pyrite and chalcopyrite
• Some Galena may contain up to 1% silver in place of lead
![Page 8: Identify the Minerals © Copyright 2005. M. J. Krech. All rights reserved. Can you identify these minerals?](https://reader035.vdocuments.mx/reader035/viewer/2022062217/56649f1f5503460f94c372da/html5/thumbnails/8.jpg)
4. What is this mineral?Properties:
• Color: white to green to gray
• Hardness: 1 (softest mineral on Moh’s scale)
• Streak: Wwhite
• Breakage: Perfect basal cleavage
• Luster: Nonmetallic - waxy or pearly
• Special Property: soapy feel
![Page 9: Identify the Minerals © Copyright 2005. M. J. Krech. All rights reserved. Can you identify these minerals?](https://reader035.vdocuments.mx/reader035/viewer/2022062217/56649f1f5503460f94c372da/html5/thumbnails/9.jpg)
4. This mineral is Talc.
• Uses: heat-resistant science lab countertops, paints, insecticides
• A specimen of what looks like a milky quartz will be a big surprise when it has a soapy feel and can be scratched by a fingernail!
![Page 10: Identify the Minerals © Copyright 2005. M. J. Krech. All rights reserved. Can you identify these minerals?](https://reader035.vdocuments.mx/reader035/viewer/2022062217/56649f1f5503460f94c372da/html5/thumbnails/10.jpg)
5. What is this mineral?
Properties:
• Color: Colorless or tinted gray, brown, yellow, green, or rarely, red or violet
• Hardness: 2 - 2.5
• Streak: White
• Breakage: Perfect basal cleavage - splits into thin sheets
• Luster: Nonmetallic - vitreous, pearly
![Page 11: Identify the Minerals © Copyright 2005. M. J. Krech. All rights reserved. Can you identify these minerals?](https://reader035.vdocuments.mx/reader035/viewer/2022062217/56649f1f5503460f94c372da/html5/thumbnails/11.jpg)
5. This mineral is Mica.• Also called: Muscovite
• Uses: fireproofing, lubricant, old-fashioned wood stove windows
• Sheets of muscovite have high heat and electrical insulating properties and are used to make electrical components
![Page 12: Identify the Minerals © Copyright 2005. M. J. Krech. All rights reserved. Can you identify these minerals?](https://reader035.vdocuments.mx/reader035/viewer/2022062217/56649f1f5503460f94c372da/html5/thumbnails/12.jpg)
6. What is this mineral?
• Color: Yellow-brown to dark brown
• Streak: Brownish yellow to yellow
• Luster: Nonmetallic - Earthy (dull)
• Hardness: 4 - 5.5• Breakage: Fracture
![Page 13: Identify the Minerals © Copyright 2005. M. J. Krech. All rights reserved. Can you identify these minerals?](https://reader035.vdocuments.mx/reader035/viewer/2022062217/56649f1f5503460f94c372da/html5/thumbnails/13.jpg)
6. This mineral is Limonite.
• Important source of iron
• Associated with hematite, another iron ore
![Page 14: Identify the Minerals © Copyright 2005. M. J. Krech. All rights reserved. Can you identify these minerals?](https://reader035.vdocuments.mx/reader035/viewer/2022062217/56649f1f5503460f94c372da/html5/thumbnails/14.jpg)
7. What is this mineral?
Properties:
• Color: Usually white
• Hardness: 1.5 - 2
• Streak: White
• Breakage: Basal cleavage
• Luster: Nonmetallic - Earthy (dull)
![Page 15: Identify the Minerals © Copyright 2005. M. J. Krech. All rights reserved. Can you identify these minerals?](https://reader035.vdocuments.mx/reader035/viewer/2022062217/56649f1f5503460f94c372da/html5/thumbnails/15.jpg)
• Source of clay for ceramics
• Used in toothpaste and medicine
7. This mineral is Kaolinite.
![Page 16: Identify the Minerals © Copyright 2005. M. J. Krech. All rights reserved. Can you identify these minerals?](https://reader035.vdocuments.mx/reader035/viewer/2022062217/56649f1f5503460f94c372da/html5/thumbnails/16.jpg)
8. What is this mineral?Properties:
• Color: Clear if no impurities, then pink, gray, purple, yellow, green, brown, orange
• Hardness: 7
• Streak: White
• Breakage: Conchoidal Fracture
• Luster: Nonmetallic - Vitreous
![Page 17: Identify the Minerals © Copyright 2005. M. J. Krech. All rights reserved. Can you identify these minerals?](https://reader035.vdocuments.mx/reader035/viewer/2022062217/56649f1f5503460f94c372da/html5/thumbnails/17.jpg)
8. This mineral is Quartz.
• Uses: lenses, glass, digital watches, sandpaper
• Quartz crystals often line the interior of a Geode
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9. What mineral is this?Properties:
• Color: white, gray, yellow, red, orange, and rarely, green
• Hardness: 6
• Streak: White
• Breakage: Cleavage
• Luster: Nonmetallic - vitreous to pearly
![Page 19: Identify the Minerals © Copyright 2005. M. J. Krech. All rights reserved. Can you identify these minerals?](https://reader035.vdocuments.mx/reader035/viewer/2022062217/56649f1f5503460f94c372da/html5/thumbnails/19.jpg)
9. This mineral is Feldspar.
•Used in the manufacture of porcelain, and scouring powder
•When pearly - called Moonstone and used in jewelry
![Page 20: Identify the Minerals © Copyright 2005. M. J. Krech. All rights reserved. Can you identify these minerals?](https://reader035.vdocuments.mx/reader035/viewer/2022062217/56649f1f5503460f94c372da/html5/thumbnails/20.jpg)
10. What mineral is this?
Properties:
• Color: White to gray to pink
• Hardness: 1.5 - 2
• Streak: White
• Breakage: Conchoidal Fracture, sometimes fibrous
• Luster: Nonmetallic - vitreous to silky to pearly
![Page 21: Identify the Minerals © Copyright 2005. M. J. Krech. All rights reserved. Can you identify these minerals?](https://reader035.vdocuments.mx/reader035/viewer/2022062217/56649f1f5503460f94c372da/html5/thumbnails/21.jpg)
10. This mineral is Gypsum.
• Used to make blackboard chalk, toothpaste, surgical casts, plaster of Paris, and drywall
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The End• Your house came from
a mine!
• If it can’t be grown, it must be mined!
• List 10 things in your house that originally came from a mine.
© Copyright 2005. M. J. Krech. All rights reserved.