Fire demonstration tool and method for using thereof

Fire demonstration tool and method for using thereof

Fluorescence measuring device for gemstones

Gem identification

Gem viewing and manipulation apparatus

Gem viewing and manipulation apparatus

Gemstone evaluation system

Guides for color grading faceted gemstones

Identification of gemstones by relative reflectance measurements

Illuminator for the spectroscopic observation of minerals, gems,

Inspection method and apparatus of laser crystallized silicons

Instrument for observing jewels' brilliance as diamond, and meth

Laser crystallization apparatus and laser crystallization...

Method and apparatus for determining the facet angles of a gemst

Method and apparatus for evaluating semiconductor film, and...

Method and apparatus for examining a diamond

Method and apparatus for examining an object

Method and apparatus for identifying gemstones, particularly dia

Method and apparatus for measuring the ion implant dosage in a s

Method and apparatus for simplifying and improving consistency o