Unit Test Ch 9-12 Flashcards
What is the definition of a mineral?
Minerals are naturally occurring, organic, crystalline solid, and chemical element or compound.
What mineral is made up of one kind of element?
Native Mineral
Define Streak Testing Physical Property of Minerals
Uses a porcelain plate, rub against the plate, gives the true color, not the same as physical color
Define Luster Testing Physical Property of Minerals
Amount of light and quality of light reflected
Define Crystal Shape & Growth Testing Physical Property of Minerals
Microscopic, large, and Accretion or the growth of minerals
Define Hardness Testing Physical Property of Minerals
Uses the Molis hardness scale from 1 to 10, diamond is the hardest and Tak is the softest
Define Flame Testing Physical Property of Minerals
Uses powder from the mineral, put in a flame and observe the color
Define Acid Testing Physical Property of Minerals
Put acid in mineral and see if the mineral dissolves it
Define Magnetism Testing Physical Property of Minerals
Place a magnet near the mineral and see if the object magnetizes to the mineral
What are the two types of mining?
Deep & Surface mining
Definition of a rock
Solid material that are a natural combination of minerals and other substances
What is the study of rocks called?
Petrology
What are the 3 types of rocks?
Igneous, Sedimentary, and Metamorphic
What is igneous rock?
Comes from volcanoes and contains silicate minerals
What is sedimentary rock?
Made of sediments and accumulates in lakes and oceans