cameroon gce A level June 2017 geology 1
What is the diagnostic property of this
crystal?
A Four three–fold axes of symmetry
B One four–fold axis of symmetry
C Five axes of symmetry
D One four–lold vertical axis of symmetry
The crystal is best called?
A A tetragonal bipyramid
B Octahedron
C A bi pyramid of the second order
D Tetragonal bipyromid of the First order
What is the angle between c and ai?
A 105”
B 90”
C 45°
D 60
Tumendong chrispine
December 10, 2021
I need the marking guide from about 2014