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

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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.

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