M & P

Define a mineral.
A mineral is a naturally occuring solid with a highly ordered atomic arrangement and a definite, but not fixed, homogeneous chemical compound.
How thick is the oceanic crust? The continental crust?

oceanic 6-8 km and made of basalt


continental 35-45km thick and made of silicon and aluminum

Name the three types of plate bonds.
Divirgent, convergent and transform faults
Mohorovicic Discontinuity
Properties of an Isometric crystal.


all angles 90

Properties of a tetragonal crystal.

a1=a2 does not = c

all angles 90

Properties of a Orthorhombric crystal.

A does not = B does not = C

all angles 90

Properties of a monoclinic crystal.

A does not = B does not = C

angle AC does not = 90

angle AB and angle CB = 90

Properties of a triclinic crystal.

A does not = B does not = C

no 90 angles

Properties of a hexagonal crystal.


a1=a2=a3 does not = C

plane former by a1,a2,a3 forms a 90 angle with C

What is Crystal Chemistry?
relates chemical compounds, internal structure, and physical properties. 
What is the Atomic #?
# of protons
What is a cation? What is a anion?

(+) ion = cation

(-) ion = anion

Orbitals and e- shells.

S,P,D,F are the orbitals

shells K, L, M, N, O, P, Q with quantum numbers 1-7 correspondingly.