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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.
This is a list of prices of chemical elements. Listed here are mainly average market prices for bulk trade of commodities. Data on elements' abundance in Earth's crust is added for comparison. As of 2020, the most expensive non-synthetic element by both mass and volume is rhodium.
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Large (up to 1.8 cm) yellow londonite crystals associated with rubellite tourmaline. Londonite is an unusual caesium-rich heptaborate. [1]The Borate Minerals are minerals which contain a borate anion group.
Reference Kelvin Celsius Fahrenheit Comments 1 H hydrogen (H 2) ; use: 13.99 K: −259.16 °C: −434.49 °F WEL: 14.01 K: −259.14 °C: −434.45 °F CRC: −259.16 °C: LNG
Jeremejevite is an aluminium borate mineral with variable fluoride and hydroxide ions. Its chemical formula is Al 6 B 5 O 15 (F,OH) 3.It is considered as one of the rarest, thus one of the most expensive stones.
Taaffeite (/ ˈ t ɑː f aɪ t /; BeMgAl 4 O 8) is a mineral, named after its discoverer Richard Taaffe (1898–1967) who found the first sample, a cut and polished gem, in October 1945 in a jeweler's shop in Dublin, Ireland.
Only one 0.3 gram sample of the naturally occurring form of this mineral is documented, and it is stored at the Natural History Museum of Los Angeles County. [7] [8]