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Rubellite is the red or pink variety of tourmaline and is a member of elbaite. Rubellite is also the rarest gem in its family. [2] It is occasionally mistaken for ruby. [3] These gems typically contain inclusions. [4] Notable countries where rubellite can be mined include Afghanistan, Brazil, Madagascar, Myanmar, Nigeria, Russia, and the United ...
Some tourmaline gems, especially pink to red colored stones, are altered by heat treatment to improve their color. Overly dark red stones can be lightened by careful heat treatment. The pink color in manganese-containing near-colorless to pale pink stones can be greatly increased by irradiation with gamma-rays or electron beams.
Painite is a very rare borate mineral.It was first found in Myanmar by British mineralogist and gem dealer Arthur C.D. Pain who misidentified it as ruby, until it was discovered as a new gemstone in the 1950s.
Unlike Slim and Gorman, Denise Rosales has spent her life making and selling beadwork and other art. “My grandma took me to roadside stands, where I sat on a blanket making jewelry,” said ...
The death toll from stampedes during two Christmas charity events in Nigeria has increased from 13 to 32, police said Sunday. The victims, including at least four children, collapsed during crowd ...
A federal appeals court blocked Nasdaq rules to increase boardroom diversity, saying that the Securities and Exchange Commission did not have the authority to approve them.. Wednesday’s ruling ...
Light blue synthetic spinel is a good imitation of aquamarine beryl, and green synthetic spinel is used as an emerald or tourmaline simulant. [29] By 2015, transparent spinel was being made in sheets and other shapes through sintering . [ 30 ]
(Reuters) -The Louisiana Department of Health said on Friday it has detected the first presumptive positive human case of H5N1 bird flu infection in the U.S. state.
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