chapter 26 Flashcards
(59 cards)
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 breaks with irregular surfaces exhibit
fracture
the physical property that measures a minerals resistance to scratching
hardness
molten rock material inside earth
magma
A mineral _________ ________ __________
naturally occurring, inorganic solid, crystalline form
What are two most abundant elements that make up Earths crust?
oxygen
What does inorganic mean?
materials that are nonliving
What does the arrangement of an atom and the bonds between them reflect about a mineral?
How hard it is, what types of crystal shape it has, and how they break
What are all the ways to identify minerals?
Luster, Streak, Hardness, Atomic Arrangement, Crystal Shape, Cleavage, Fracture
What are the two type of luster?
Nonmetallic and metallic
How does metallic luster reflect light?
it reflects it very easily reflects light in a way that a metal surface might
How does nonmetallic reflect light?
shines like grass and appear earthy or waxy
How do you preform a streak test?
unglazed porcelain tile
What are two types of breakage that can happen to minerals?
cleavage and fracture
What is the name of the scale to measure the hardness of a mineral?
Mohs scale of hardness
What is the number range on Mohs Scale of Hardness?
1-10
How many different crystal shape systems are there?
6
What are two mineral groups?
Silicates and Nonsilicates
MInerals grow from the_____
Naturally occurring, inorganic solid, crystalline form
What are 3 ways minerals can form?
Hot water, Molten Rock, Evaporation
Which mineral group is the most abundant in Earths crust?
What elements are Silicates made up of?