What is the purpose of the scratch test?
1. Which substance makes up most of the Earth’s crust?
How are the materials of the Earths core different from those of the crust (in general)?
A ____ is a solid in which the atoms are arranged in a repeating pattern.
Minerals that contain silicon and oxygen and usually one or more other element are called ________.
_____ are valuable minerals that are prized for their rarity and beauty.
Which of the following is one of the three most common elements in Earth's crust?
The minerals talc, muscovite mica and quartz are similar because they
Which mineral is commonly mined as a source of the element lead (Pb)?
Which of the following elements is NOT found in Plagioclase Feldspar?
Which mineral has a metallic luster, a black streak, and is an ore of iron?
The mineral graphite is often used as
Which physical property of the mineral is most easily seen in the photograph?
Which mineral will scratch glass (hardness= 5.5), but not pyrite?
A mineral was found with a metallic luster. It was yellow in color and had a greenish black streak. Is it gold?
A mineral was found that can be scratched by quartz but not fluorite. It is green in color but has a colorless streak. What mineral is it?
This mineral has a nonmetallic luster. It is colorless with a colorless streak. A fingernail cannot scratch it and it cannot scratch a fingernail. What mineral is it?