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
101 George Street, The Rocks history of New South Wales. The place possesses a degree of rarity as the first site to be the subject of heritage renovations/reconstructions in the 1970s, when the plans of the Sydney Cove Redevelopment Authority to raze The Rocks for redevelopment were still in place. The place is important in demonstrating the principal characteristics of a class of cultural or natural places/environments in New South Wales. The scale and streetscape character of the Phillip's Foote building is representative of early 19th commercial building in The Rocks as a plain two-storey shop with residence. 101 George Street, The Rocks 101 George