Bonita is a 34 year-old former prostitute from Pennsylvania trying to fight back against the demons in her life. Now being held at the county jail awaiting trial in her connection to the homicide o...więcej »
Explains in non-technical terms how to use the Chelsea filter and synthetic emerald filter to identify diamonds and colored gems, and how to separate natural gems from imitations, treated gemstones...więcej »
Explains in non-technical terms how to use the refractometer to identify diamonds and colored gems, and how to separate natural gems from imitations, treated gemstones, synthetics, and look-alikes....więcej »