MEASURING PARAMETERS OF PARTICULATE MATERIAL

摘要

An apparatus for appraising gemstones, the apparatus comprising: a measurement cell comprising at least one sensor and a measurement location, the at least one sensor being arranged to measure one or more parameters of a gemstone when the gemstone is located at the measurement location; and a transportation means for transporting the gemstone to the measurement location; wherein the transportation means is configured to cause or allow the gemstone to be stationary at the measurement location whilst the at least one sensor measures one or more parameters of the gemstone.