Rosiwal scale Rosiwal scale The Rosiwal scale is a hardness scale, with its name given in memory of the Austrian geologist August Karl Rosiwal. The Rosiwal scale bases its measure on absolute values, unlike the Mohs scale whose values are relative values, its interest is relegated to the amateur or an approach that makes it useful in the research field ('in situ'). The Rosiwal method (also called Delesse and Rosiwal) is basically a method of petrographic analysis and led to the development of the stereograph. Measures in an absolute scale the hardness of minerals expressed as abrasion's resistance, measured at laboratory, starting
Lilyvale, The Rocks is an integral component of a group of 19th century houses in this section of Cumberland Street, which evokes a traditional Rocks streetscape. "Lilyvale" (176 Cumberland Street), the Butchery Building (178-180 Cumberland Street) & Hart's Building (10-14 Essex Street) as a group: The surviving buildings occupying the block bounded by Cumberland, Essex and Gloucester Streets, south of the Cahill Expressway, collectively illustrate the range and diversity of small scale development in this area of The Rocks between 1840 and World War I. They combine with nearby precincts to the south of Essex Street to extend that diversity into the early