The fluorite mineral the stone is fashioned from is more valuable than diamonds in China
Kamienie szlachetne /
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Azurite from Bisbee, Ariz. (Photo credit: Orasa Weldon, GIA)
Gems and Minerals
This 0.71-carat diamond From the Argyle tender is GIA-graded as internally flawless fancy intense pink and classified by Rio Tinto as 5PR internally flawless....
Diamonds are Forever
An 8.01-carat fancy vivid blue diamond, dubbed “The Sky Blue Diamond” to emphasize its rare hue, sold for $17.1 million, or $2.1 million per carat
This 9.14-carat, fancy vivid pink diamond sold for $18.3 million to an unidentified Asian buyer at the Christie’s Magnificent Jewels sale in Geneva
This cabochon-cut blue apatite displays chatoyancy, or cat’s eye effect, which occurs in crystals of apatite with fibrous, needle-like inclusions.
“Velvet Beauty,” a stunning azurite specimen, Tucson Gem and Mineral Show 2007,
“Rhodochrosite,” Tucson Gem and Mineral Show 2007
A petrified pinecone from Argentina and petrified wood from Utah