Rocks 25-34

What is the color of Basalt?

• Dark gray almost black

• Pinkish white-ish

• Dark with light spots

• Usually a white to pale gray

Which rock has a brownish streak?

• Basalt

• Gneiss

• Marble

• Quartzite

What are the uses of Granite?

• Used for decorative applications - countertops, flooring, landscaping.

• Used as a primary ingredient in glass production.

• Used in the manufacturing of plastic products.

• Used as a fuel source in power plants.

Obsidian is typically described as:

• A shiny, metallic rock

• A dull, porous stone

• A glassy, black volcanic rock

• A rough, red sedimentary rock

Schist (garnett) is a metamorphic rock created from what conditions?

• Intense pressure and heat underground

• Low pressure and low temperature

• Rapid cooling of lava

• Deposition of sediments in water

What is the streak color of Fluorite?

• No streak

• Streaks are white

• Streaks are black

• Streaks are red

Fill in the blank: Copper has a _______ shine.

• Bright metallic.

• Dull matte.

• Glossy

• Rusty

Halite is used for:

• De-icing roads

• Seasoning food

• Water softening

• All of the above

What type of streak does Quartz have?

Fill in the blank: Feldspar has a ______ shine when polished.