Minerals Science Starter #1. Which word(s) best describe each mineral’s luster?  Metallic  Submetallic  Vitreous/Glassy  Adamantine/Diamond-like 

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Presentation transcript:

Minerals Science Starter #1

Which word(s) best describe each mineral’s luster?  Metallic  Submetallic  Vitreous/Glassy  Adamantine/Diamond-like  Resinous  Silky  Pearly  Greasy/Oily  Pitchy  Waxy  Dull/Earthy

Which word(s) best describe each mineral’s luster?  Vitreous/Glassy- Quartz  Metallic - Pyrite

Which word(s) best describe each mineral’s luster?  Metallic  Submetallic  Vitreous/Glassy  Adamantine/Diamond-like  Resinous  Silky  Pearly  Greasy/Oily  Pitchy  Waxy  Dull/Earthy

Which word(s) best describe each mineral’s luster?  Pearly – Talc  Vitreous/Glassy – Garnet

Mohs Scale 1. If your fingernail can easily scratch the mineral, what is the hardness of this mineral? 2. A student notices that their unknown mineral will scratch a penny but it will not scratch an iron nail. What mineral might this unknown be? 3. What if the unknown mineral scratches all the common objects listed in the chart?

Mohs Scale 1. If your fingernail can easily scratch the mineral, what is the hardness of this mineral? (1 or 2) 2. A student notices that their unknown mineral will scratch a penny but it will not scratch an iron nail. What mineral might this unknown be? (4, Fluorite) 3. What if the unknown mineral scratches all the common objects listed in the chart? (7 or greater)

Mohs Scale 1.Which mineral will scratch glass, Quartz or Fluorite? 2.Which mineral(s) won’t scratch anything? 3.Can feldspar scratch a streak plate?

Mohs Scale 1.Which mineral will scratch glass, Quartz or Fluorite? 2.Which mineral(s) won’t scratch anything? Talc and Gypsum 3.Can feldspar scratch a streak plate? No, the streak plate is harder than feldspar.

Can you identify this mineral? Mineral Properties Color:Black Hardness:1.0 – 2.0 Luster:Dull metallic Streak:Black

Can you identify this mineral? Mineral Properties Color:Black Hardness:1.0 – 2.0 Luster:Dull metallic Streak:Black

Can you identify this mineral? Mineral Properties Color:Greens/Blues Hardness:5.0 – 6.0 Luster:Waxy Streak:White/Greenish

Can you identify this mineral? Mineral Properties Color:Greens/Blues Hardness:5.0 – 6.0 Luster:Waxy Streak:White/Greenish

Can you identify this mineral? Mineral Properties Color:white, gray, yellow, red Hardness:1.0 – 3.0 Luster:dull to earthy Streak:normally white but may streak other colors if the specimen is stained

Can you identify this mineral? Mineral Properties Color:white, gray, yellow, red Hardness:1.0 – 3.0 Luster:dull to earthy Streak:normally white but may streak other colors if the specimen is stained