Advanced level 2025 North West regional mock geology 3
Advanced level 2025 North West regional mock geology 3
a). On the crystal model, neatly insert and label the following:
i. Crystallographic axes
ii.Symmetry elements
b. Index the faces labelled I) and !•.
( 1 Vi marks)
(2marks)
D:
E:
(2marks)
c) Name the form on the crystal draw ing labelled G
G: (Imark)
d) To which crystal system does the model above belong? Give rcason(s)
Crystal system
Rcason(s)
(2 marks)
e) Give ail example of a non– silicate mineral with such a crystal habit.
Non – silicate mineral ( 1 Zi mark)
(Total = 10 marks)
(20 minutes)
2. Study the fossils B and C below‘ (figure 3) and answer the following questions.