26.1 vocab Flashcards
mineral
inorganic solid with a crystalline form
streak
the color of a mineral in powdered form
cleavage
when a mineral breaks along planes of weakness creating sets of smooth parallel sides
fracture
minerals that break with irregular surfaces
hardness
the property that measures a mineral’s resistance to scratching
magma
molten rock material inside earth
a mineral is?
what are the two most abundant elemnts that make up earth’s crust?
what does inorganic mean?
What does the arrangement of an atom and the bonds bewteen them reflect about a mineral?
what are all the ways to identify minerals?
luster, streak, hardness, cleavage, fracture, atomic arrangement, crystal shape
what are the two types of luster?
nonmetallic metallic
how does metallic luster reflect light?
very easily like a peice of metal
how does nonmetallic reflect light?
shine like glass or appears earthy or waxy
how do you perform a streak test?
a mineral on a ungkazed
what are the 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?
what is the number range on Mohs Scale of Hardness?
How many different crystal shape systems are there?
minerals grow from what?
the inside out
what are the 3 ways minerals can form?
moltenrock, hot water, evaporation
what are the two mineral groups?
silicates and non silicates
which mineral group is the most abundant in Earth’s crust?
silicates
what elemnts are the Silicates made up of?
oxygen and silicon
