Mold inspections usually refer to examinations of a home or structure for evidence of mold problems. Remediation involves the steps that specialists take to remove the mold. Learning the difference between these two services can help you save money.
The crystal structures of galena (PbS) and halite (salt or NaCl) are identical, so it is not surprising that the two exhibit similar perfect cubic cleavage. Both minerals will break along three directions of weakness that meet at right angles.
The extraction process to remove the lead from the sulfur is very simple, thus lead has been extracted from Galena since the earliest times.Galena from certain regions is rich in silver, and some specimens may contain as much as 20 percent silver. Because of this, silver-rich Galena is also an ore of silver.