Pictures of hornblende
Here are some photos of hornblende
Another Hornblende Sample
This is a map of sweden, one location of Hornblende
It is also located in Bancroft
A fairly large sample
Bohemia is another one of its locations
This is the crystal structure of hornblende, it is a monoclinic structure. Monoclinic structures have 3 unequal sides and usually rectangles on the sides.