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 exhibit
fracture
the physical property that measures a minerals resistance to scratching
hardness
molten rock material inside earth
magma
a minerals is
inorganic solid,with crystalline form,naturally occurring
what are the two most abundant elements that make up Earth´s crust
a.oxygen and silicon
oxygen and silicon
what does inorganic mean
a mineral that is nonliving
what does the arrangement of an atom and the bonds between them reflect about a mineral?
mineral breaks,how hard it is, and what types of crystal shape it has.
what are all of the ways to identify minerals?
luster, streak, hardness, cleavage, atomic arrangement, crystal shape, fracture
what are the two types of luster?
metallic and nonmetallic
how does metallic luster reflect light?
reflects easily like a car
how does nonmetallic luster reflect light?
shines like glass or appear earthy or waxy
how do you perform a streak test?
glazed, white porcelain tile
What are the two type 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
Mineral grow from the _____?
Inside out
what are the 3 ways minerals can form?
hot water, magma , and evaporation
what are the two minerals groups?
silicate and non silicates
which minerals group is the most abundant in Earths crust?
silicates
What element are silicates made up of?
silicon-oxygen