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
95-99 George Street, The Rocks aesthetically significant for containing some of the most intact Victorian period interiors for shops and residences in The Rocks area, including internal linings, joinery, some door and window furniture and an original plan form. 95-99 George Street makes an important contribution to the streetscape of George St, and is of significance in continuing the uniform character of the small scale retail shop buildings found in The Rocks. The building is aesthetically significant for its contribution to the streetscape of Greenway Lane, one of the pedestrian laneways in The Rocks area which are highly significant as evocation of the colonial townscape.