opal

…Turkish purple jade. He suggested that I try working with the material. Along with my usual order of  royal blue chalcedony and…

…Holidome, I went into see Emanuel Christantos, one of the biggest opal dealers from Australia and he said things were only so so, but then he sells…

…contributes greatly to the degree to which a gem will show wear. This is often referred to as wearability or sometimes “durability.”…

…something fragile, like opal or calcite. Expanding existing fractures would reduce the useable areas and value of the material too much to…

…one possible identification: aquamarine. This gemstone examination was completed in about 5 minutes. Gemstone Examination: Example 3 The…

…way. Black onyx and quartz are popular choices for backing materials. Choosing the right doublet glue to join the two materials is essential.…

…present under magnification signal glass. A type of glass, opalite makes a particularly convincing moonstone simulant. (Don’t confuse…

…Synthetic Opals Lab-made opals share most of the characteristics of their natural counterparts. UV testing does allow one quick separation:…

…Diana A faceted Mexican fire opal in a 22k gold and sterling silver heart setting. Opal by La Rocka Gems and Minerals, jewelry and photo by Jessa…