Galena's cleavage is cubic.
It has both. It's cleavage is perfect, and it's fracture is sub-conchoidal.
The property of cleavage.
Galena
Galena.
azurite is one of the minerals that has a light blue streak.
Galena's cleavage is cubic.
Galena's cleavage is cubic.
galena
Galena's fracture is subconchoidal, and its cleavage is cubic. See http://www.minerals.net/mineral/sulfides/galena/galena.htm for a complete chart about galena's properties.
Galena
It has both. It's cleavage is perfect, and it's fracture is sub-conchoidal.
The property of cleavage.
Galena
Galena.
Galena is an interesting ore of lead (lead sulfide). It can form in isometric crystals and has perfect 4 direct cleavage forming cubes.
Galena crystals are cubic or octahedral and are in the isometric (cubic) crystal system.
azurite is one of the minerals that has a light blue streak.