chapter 26 Flashcards
naturally occurring inorganic solid with a crystalline form
mineral
what are the two most abundant elements in earth’s crust
oxygen and silicon
color of a mineral in powder form
streak
minerals that break irregular surfaces exhibit
fracture
what does inorganic mean
materials that are not living
what does the arrangement of an atom and the bonds between them reflect about a mineral
breaks hardness crystal shape
what are all of the ways to identify minerals
luster hardness shape cleavage streak atomic arrangement fracture
what are the two types of luster
metallic/ non metallic
how does metallic luster reflect light
similar to metal surface; shiny
how does nonmetallic luster reflect light
appear earthy like glass
how do you preform a streak test
rubbing a mineral on an unglazed white porcelain tile
what are the two types of breakage that can happen to minerals
clevage and fracture
what is the name of the scale to measure 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
minerals grow from the
inside out
what are the 3 ways minerals can form
hot water, molten lava, evaporation
which mineral group is the most abundant in the earth’s crust
sillicates minerals
what elements are silicates made up if
silicon oxygen
Nonsilicatyes do not not contain what element
silicon
what mineral is used to make glass
quartz
when a mineral breaks along preferred planes
cleavage
the physical property that measures a mineral’s resistance to scratching
hardness
molten rock material inside earth
magma
