Chapter 26 Flashcards
Is a naturally occurring inorganic solid with a crystalline form.
Mineral.
The color of a mineral in powdered form
Streak.
When a mineral breaks along preferred planes of weakness creating sets of smooth parallel sides .
Cleavage.
Minerals that break with irregular surfaces.
Fracture.
The physical property that measures a minerals’ resistance to scratching.
Hardness.
Molten rock material inside Earth.
Magma.
A mineral is?
A naturally occurring, inorganic solid, with a crystalline form.
What are the two most abundant elements that make up Earths’ crust?
Silicon and Oxygen.
What does inorganic mean?
Materials that are not living.
What does the arrangement of an atom and the bonds between them reflect about a mineral?
How it breaks, how hard it is, and what types of crystal shape it has.
What are all the ways to identify minerals?
Luster, streak, atomic arrangement, cleavage, fracture, hardness, and crystal shape.
What are the two types of luster?
Metallic and nonmetallic.
How does metallic luster reflect light?
In a way that a metal surface might, very easily.
How does nonmetallic luster reflect light?
A glass like shine or appears earthy or waxy.
How do you perform a streak test?
By rubbing a mineral on an unglazed, white porcelain tile.
