Friedrich Mohs harder. This became the basis of the hardness scale developed by Mohs. The hardest mineral, diamond was given a value of 10 and softer minerals such as talc were given the very low value of 1 (unity). Other minerals were given intermediate values, depending on their ability to scratch another mineral in the scale. Thus gypsum was given the value 2 because it will scratch talc crystals, and calcite the value 3 because it will scratch gypsum. Minerals are also now classified by chemical characteristics, but the physical properties are still useful in field examination. In 1812, Mohs became a
Softer, Softest the song developed into its final form in early 1993 when the name "Softer, Softest" was being used. The first known studio version of "Softer, Softest" was recorded on 21 January 1993 at BMG Ariola Ltda in Rio de Janeiro, Brazil. Featuring Love on lead guitar and vocals, recently recruited drummer Patty Schemel and Love's husband Kurt Cobain of Nirvana on bass, the trio recorded the song, alongside "I Think That I Would Die" (then known as "Baby") "She Walks on Me", "Miss World" and "Closing Time", during breaks in Nirvana's session. Sound engineer Craig Montgomery stated that the songs