ch 26\ Flashcards
what is a mineral
is a nationally occurring inorganic a solid with a crystal form
streak
the color of a mineral in powdered form
cleavage
any two parallelsets of planes define a single direction
fracture
minerals that break with irregeler surfaces
hardness
property that mesures a minerals resistance to scratching
magma
molten rock minerals inside earths surface it is called lava
what are two most abundant elements that make up the earths crust
silicon and oxygen
what is a mineral
1: naturally accusing
2 :inorganic solid: irogantic means non; living
3:non living
what does the arrangement of an atom and the bonds between them reflect about a mineral
mineral shape , how hard it is , crystal shape it is
what are all the ways to identify minerals
1:luster,fracture,cleavage, atomic arrangement, hardness, magma , streak
what are the two types of luster
metallic and nonmetallic
how does metallic luster reflect light
light is very easily reflected of a corm surface
how does nonmetallic luster reflect light
its a type of glass that has a slight reflect and don’t reflect easily
how do you preform a streak test
you rub the mineral across a Un-glazed porcelain tile
what are the two types of breakage that can happen to minerals ?
is a smooth break
what is the name of the scale to measure the hardness of a mineral
MOHS scale
what is the number range on mohs scale of hardness
1 to 10
how many diff rant crystals shape systems are there
there are 6
minerals grow from?
it starts from inside out
what are the three ways minerals can form
hot water evaporation molten rock
which mineral group is the most abundant in the earths crust?
silicates
non-silicates
what elements are silicates made up of?
silicon and oxygen there gonna be the softest and the essayist to break
non-silicates do not contain what element?
can not have silicon
what mineral is used to make glass?
quartz
