minerals and rocks Flashcards
(39 cards)
rocks are made of_____
and minerals are the compnents that ____
minerals
make up rocks
Minerals must be
naturally occuring, solic, orderly christalline, definite chem comp, inorganic 50 minerals are organic, NOT essential nutirents for the body
a rock is a ____ mass of ____ and occurs naturally on the palnet
but some rockas can be entirely composed of _____ _____
solid mass of minerals
one mineral
a transfer or sharing of electrons is called a _____
chemical bond
the octet rule is
atom tends to gain, lose, or share electrons until it is surrounded by eight valence electrons.
ionic bond is
atom of oposite charges
tends to gain, lose, or share electrons until it is surrounded by eight valence electrons.
critical mineral
important for overall importance of the stante and may ahve sketchy supply chains
psotivly and neg charfed atoms are called ____
ions
stratefiic minerals
essential for defese
what are the 3 properties of metals
hint: dbt thereapy
malleable
ductile
brittle
minerals form through
3 stages:
1.
2.
3.
precipitation
crystalization
deposition
precip[tation inminerals is when
a body of water reaces saturation and bonds making crystals,
deposition is _____
a reesult of biological processes
Properties of minerals
L
C
S
Lights
SH
St
H
Cle
F
Luster
Color
Streak
Lights
Crystal shape/Habit
Hardness
cleavage
Fracture
_____ bond is the most common type in minerals
covalent
these are properites used to id minerals
sucha as shape, taste
diagnostic properties
minerals can only have one form
true or false
falase, minerals can have more than one form
these are mineral properties that may VARY
ambiguous properties
these are ex of ambigious properties
color
the apearance of light REFLECting off a mineral is called____
luster
how can one test streak?
what is streak?
rub it on a bathroom tile
the color of the mineral in powdered form
the ____ scale can provide a numeric value for ____
mohs scale
hardness
clevage is how_____ when STRESSED
a mineral breaks
what is the difference between cleavage and tenacity
tenacity is ow a mineral RESPONDS to stress but cleavage is how it BREAKS