Marble Physical Appearance
Marble occurs in large deposits that can be hundreds of feet thick and geographically extensive.
Marble physical appearance. Rocks with hardness 1 3 are soft rocks from 3 6 are. Marbles are used principally for buildings and monuments interior decoration statuary table tops and novelties. In its pure form marble is a white stone with a crystalline and sugary appearance consisting of calcium carbonate caco 3 usually marble contains other minerals including quartz graphite pyrite and iron oxides these minerals can give marble a pink brown gray green or variegated coloration. Petrographically marbles are massive rather than thin layered and consist of a.
Marble granular limestone or dolomite i e rock composed of calcium magnesium carbonate that has been recrystallized under the influence of heat pressure and aqueous solutions. Transparent emerald the green variety of beryl on calcite marble matrix. Crushed stone is. Most marble is made into either crushed stone or dimension stone.
Physical properties of rocks play an important role in determining its applications in various fields. Physical origins of marble. The physical properties of marble depend on its formation. Accessory minerals of marble.
Physical properties and uses of marble. Resistance to abrasion which is a function of cohesion between grains as well as the hardness of the component minerals is important for floor and stair treads. Marble is a rock on account of metamorphism of sedimentary carbonate rocks maximum normally limestone or dolomite rock. Rocks are rated on the on the moh s hardness scale which rates the rocks on the scale from 1 to 10.
This allows it to be economically mined on a large scale with some mines and quarries producing millions of tons per year. Major minerals of marble. Marble is a metamorphic rock formed when limestone is subjected to high pressure or heat. Diopside tremolite actinolite dolomite.
Colour and appearance are their most important qualities.