Hornblende (most common amphibole) Flashcards
1
Q
Hornblende Shape
A
Diamond shaped in cross-section
2
Q
Hornblende Colour
A
Green to black
3
Q
Hornblende Hardness
A
5-6
4
Q
Hornblende Cleavage
A
Two directions at about 60* (56*)
5
Q
Hornblende Lustre
A
Vitreous/Shiny
6
Q
Hornblende Density
A
3.0-3.5
7
Q
Hornblende Streak
A
White/grey
8
Q
Hornblende Structure
A
Double chain