PRESENTATION OUTLINE
SPECIAL REPORT ABOUT MINERALS
MY MINERAL IS GALENA
- Galena is a steel gray color.
- Galena's luster is Bright Metallic.
- Galena' streak color is lead gray to black.
- Galena's hardness on MOHs Hardness scale is 2.5-3.
- Galena is found in Germany and Austria.
The chemical formula for Galena is PbS (Pb= Lead and S=Sulfur).The crystal structure for Galena is cubed shape, octahedron, or modification
2 interesting facts:
Freshly broken pieces exhibit perfect cleavage in three directions that intersect at 90 degrees. In addition to silver, Galena can contain amounts of antimony, arsenic, bismuth, cadmium, copper, and zinc.
Galena can make Lead-acid batteries are also used as standby power supplies for computer networks, communication facilities and other critical systems. Also Galena can make one of the metals used in energy storage systems associated with power generation and hybrid vehicles.