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Lepidolite is a lilac-gray or rose-colored member of the mica group of minerals with chemical formula K(Li,Al) 3 (Al,Si,Rb) 4 O 10 (F,OH) 2. [2] [3] It is the most abundant lithium-bearing mineral [4] and is a secondary source of this metal.
Minerals are distinguished by various chemical and physical properties. Differences in chemical composition and crystal structure distinguish the various species. Within a mineral species there may be variation in physical properties or minor amounts of impurities that are recognized by mineralogists or wider society as a mineral variety.
Leonardite was first described from North Dakota and is found associated with virtually all the lignite deposits in the state. [6] Leonardite has also been described worldwide from deposits of lignite or sub-bituminous coals e.g. in Alberta, Canada, [4] in Achlada and Zeli, Greece, [7] in Turkey and in Bacchus Marsh, Australia.
Citrine “A powerful gemstone crystal in a range of deep yellows, oranges, and yellow-cream-white, the citrine gemstone is said to bring abundance and wealth into one’s life,” Salzer says.
Lapidary medicine is a pseudoscientific concept based on the belief that gemstones have healing properties. The source of the idea of lapidary medicine stems from information found in lapidaries, books giving "information about the properties and virtues of precious and semi-precious stones."
The mayor of McColl, S.C. was killed in a car accident on Tuesday, with officials saying he was being pursued by a sheriff's deputy when he died.
English: This pictorial periodic table is colorful, boring, and packed with information. In addition to the element's name, symbol, and atomic number, each element box has a drawing of one of the element's main human uses or natural occurrences. The table is color-coded to show the chemical groupings.
A Rhode Island man has admitted to using gasoline to set several fires around the exterior of a predominantly Black church earlier this year, according to a federal plea agreement.