Flashcards in Minerals Deck (5)
________ are the solid, inorganic substances that the Earth's crust is made of
Minerals are usually c___________ in shape
crystalline (like crystals)
What are the two ways that minerals typicallly form?
1. When magma cools
2. When a solution (minerals+liquid) evaporates, leaving just the solid mineral behind
What are the characteristics that scientists use to classify minerals?
Color, Luster (shine), Cleavage/Fracture (how it breaks), and Hardness (how difficult it is to scratch)