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Carnotite. Bright yellow to lemon-yellow, may be greenish yellow. Crusts, earthy masses, foliated and granular aggregates. Carnotite is a potassium uranium vanadate radioactive mineral with chemical formula K 2 ( U O 2) 2 ( V O 4) 2· 3 H 2 O. The water content can vary and small amounts of calcium, barium, magnesium, iron, and sodium are often ...
Danburite. Danburite is a calcium boron silicate mineral with a chemical formula of CaB 2 (SiO 4) 2. [5] It has a Mohs hardness of 7 to 7.5 and a specific gravity of 3.0. [5] The mineral has an orthorhombic crystal form. [5] It is usually colourless, like quartz, but can also be either pale yellow [5] or yellowish-brown.
References. [2] [3] [4] Spurrite is a white, yellow or light blue mineral with monoclinic crystals. Its chemical formula is Ca 5 ( Si O 4) 2 C O 3. [5] Spurrite is generally formed in contact metamorphism zones as mafic magmas are intruded into carbonate rocks. [6] Spurrite's space group is P 2/a. It is biaxial with a birefringence of 0.0390 ...
Nahcolite is a soft, colourless or white carbonate mineral with the composition of sodium bicarbonate ( Na H C O 3) also called thermokalite. It crystallizes in the monoclinic system. [4] Nahcolite was first described in 1928 for an occurrence in a lava tunnel at Mount Vesuvius, Italy. [2] Its name refers to the elements which compose it: Na, H ...
Patuxent River State Park is a public recreation area located along the upper reaches of the Patuxent River in Howard and Montgomery counties in Maryland. The state park features hunting, fishing, mountain biking, horseback riding, and hiking on unsigned and untended trails. [3] Planning for the park began in 1963, [4] with the Maryland General ...
Fallingwater is Lisa Miskovsky's second album, and was released in Sweden on 22 October 2003 [2] and in the UK on 13 June 2005. It was her first to reach number one on the Swedish charts, which happened on 31 October 2003.
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