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Strawberry Mansion is a neighborhood in the U.S. city of Philadelphia, Pennsylvania, located east of Fairmount Park in North Philadelphia. The neighborhood is bounded by 33rd Street to the west, 29th Street to the east, Lehigh Avenue to the north, and Oxford Street to the south. As of the 2000 census, the neighborhood had a population of 22,562.
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 ...
Favosites is an extinct genus of tabulate coral characterized by polygonal closely packed corallites (giving it the common name "honeycomb coral"). [1] The walls between corallites are pierced by pores known as mural pores which allowed transfer of nutrients between polyps. Favosites, like many corals, thrived in warm sunlit seas, feeding by ...
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.
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 ...
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 ...
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