Is Marble Rock Valuable

The translucence of marble makes it especially attractive for many types of sculptures.

Is marble rock valuable.

The photographs and captions below illustrate just a few of its varied uses. Because of the way marble forms it occurs in large deposits worldwide. 2 632 50 includes 17 buyers premium. This rare 4 panel onionskin type with suspended bits of mica was a top selling marble in the morphy auction march 2009 sale.

Crushed marble is used to build roads foundations of buildings and railroad beds. Dimension stone is made by cutting marble into blocks or sheets. Most marble is used in the construction industry. Marble is a metamorphic rock composed of recrystallized carbonate minerals most commonly calcite or dolomite marble is typically not foliated although there are exceptions in geology the term marble refers to metamorphosed limestone but its use in stonemasonry more broadly encompasses unmetamorphosed limestone.

Because of this the surface of marble shows scratches and wear. Marble has many unique properties that make it a valuable rock in many different industries. If you can scratch the mineral with your fingernail it has a hardness of 2 5 mohs which is very soft. Life expectancy for workers in the factories was around 35.

It s economical to mine this common useful rock on a large scale. There have a fairly morbid backstory. Many colors of marble marble occurs in a very wide range of colors. As a result marble is easy to carve and that makes it useful for producing sculptures and ornamental objects.

The harder a mineral is the more likely it is to be valuable. The low hardness and solubility of marble allows it to be used as a calcium additive in animal feeds. Authentic marble is a metaphoric rock formed by applying heat to limestone forming crystals of calcite a relatively soft mineral. If you can scratch it with a penny its hardness is 3 mohs and if it takes a piece of glass to scratch it the hardness is 5 5 mohs.

Handcrafted and designed marbles are slightly more valuable selling for 275 to 350. Not only is this marble a rare find but it s also a legitimate art. Agate marbles were chiefly produced in germany and the us and are among the most valuable on the market. The fine dust kicked up by the grinding machines used in the production process often gave the workers tuberculosis killing them young.

The marble is made from hand blown glass and features a wide range of colors that blend smoothly with little color clashing.