Olivine has the formulae (Mg,Fe)2SiO4 and a relative hardness of 7. It's name is derived from the characteristic olive green colour. A common rock forming mineral. A clear green variety is called peridot and has some uses as a gem.
Hear it on YouTube. Here's a piece that many people know, and rightfully so! This famous classical piece from the romantic period is one of those pieces that has the ability to make anyone feel happy. Composed in the 1920s, for a ballet, the piece was an instant success.
As with the Classical period, the piano was still the main instrument during the early Romantic period. However, the piano underwent many changes and composers brought the piano to new heights of creative expression.s a result, music of the Romantic period is easily identifiable as compared to music forms from other periods. Romance, nocturne, etude and polonaise are examples of 19th century music. Romance refers to a short, lyrical piece for piano. It can also be for a solo instrument but with piano accompaniment.