26 Flashcards
what is a mineral
is a naturally occurring inorganic solid with a crystal line form.
streak
the color of a mineral in powdered form is steak
cleavage
when a mineral breaks along preferred planes of weakness creating sets of smooth parallel slides it has cleavage
fracture
minerals that break with irregular surfaces exhibit fracture
hardness
the physical property that measures a minerals resistance to scratching is called hardness
molten rock material inside earths surface is called magma
molten rock material inside earths surface is called magma
what are two most abundant
silicon and oxygen
what does the arrangement of an atom and the bonds between them reflect about a mineral
what are the ways to identify a mineral
luster,fracture,cleavage,hardness,magma
what are the two type of luster?
metallic,nonmatallic
how does metallic luster reflect light
light is very easily like a medal 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 perform a streak test
you rub the mineral across a unglazed white porcelain title
what are the two types of breakage that can happen to min
its a smooth break
what are the name of the scale to measure the hardness of a mineral
mohs scale
