Period 2 element a supplement for the prevention and treatment of osteoporosis and arthritis. Carbon is the chemical element with atomic number 6, occurring as C, C and C. At standard temperature and pressure, carbon is a solid, occurring in many different allotropes, the most common of which are graphite, diamond, the fullerenes and amorphous carbon. Graphite is a soft, hexagonal crystalline, opaque black semimetal with very good conductive and thermodynamically stable properties. Diamond however is a highly transparent colourless cubic crystal with poor conductive properties, is the hardest known naturally occurring mineral and has the highest refractive index of all gemstones. In
Mineral Historic District Mineral Historic District Mineral Historic District is a national historic district located at Mineral, Louisa County, Virginia. It encompasses 222 contributing buildings, 3 contributing sites, and 6 contributing structures in the town of Mineral. It includes a variety of residential, commercial, and institutional buildings built after the town was platted in 1890. Notable buildings include the Gibson House (1915), Turner House (c. 1915), Dr. H. J. Judd House (1906), Odd Fellows Hall (1894), former D.E. Bumpass Department Store, former Mineral Drug Store, Bank of Louisa (now Town Hall), C&O railroad depot (1880s), Mineral Crystal Ice Plant (c. 1925), Louisa County