limestone is composed of various minerals (a material made up of a combination of atoms of various elements arranged in a specific atomic lattice to form crystals - as they are a mixture of varying elements they may also be referred to as compounds). The most common of which in Limestone is Calcite / Calcium Carbonate.
Calcium Carbonate has the chemical formula CaCO3. From this we can see that limestone is formed predominantly from the elements Calcium (Ca), Carbon (C) and Oxygen (O).
A type of limestone known as dolomite is composed of calcium magnesium carbonate CaMg(CO3)2 .
Density:The density of limestone is very variable as it is a natural earth material. As such, a range of densities are quoted in the literature and testing should be done on a specific sample to get an exact result.
Range of intact densities for limestone:
Common - 2100 to 2610 kg/m3[A] and occasionally up to 2900 kg/m3[B]
In imperial units:
131.1 lbs/ft3 to 162.9 lbs/ft3 and occasionally up to 181.0 lbs/ft3.
Elastic Modulus:Intact Limestone can have a Young's modulus (E) ranging from:
9 GPa - 80 GPa.A,B
Poisson's ratio (v) for intact specimens varies from between:
0.2 - 0.3.B
Bulk modulus (K) derived from the above values using the following relation:
K = E / (3(1-(2v))
Bulk Modulus ranges from:
5 GPa - 66.67 GPa
Shear modulus (G) derived from the above values using the following relation:
G = E / 2(1+v)
Shear modulus ranges from:
3.5 GPa to 33.33 GPa
Uniaxial Compressive Strength:Intact Limestone can have a uniaxial compressive strength ranging from:
15 MPa - 290 MPa.A,B
Sources:
[A] Bell, F. G. (2007). Basic Environmental and Engineering Geology. Dunbeath, Whittles Publishing Limited.
[B] Cobb, F. (2009). Structural Engineer's Pocket Book, Second edition. London, Butterworth-Heinemann.
dolomitic limestone is different from agricultural or hydrated limestone the difference is in the MgO content and hardness Dolomitic Limestone is harder than both and its MgO content is higher. The CaO is lower in Dolomitic limestone and High in the later.
limestone has a white streak.
Limestone is a sedimentary rock.
Marble was once Limestone.
Marble is made from limestone.
well, it is very hard. hope i answered it!
Limestone is considered the parent rock of marble because marble forms from the metamorphism of limestone. Under heat and pressure, the mineral composition of limestone changes, resulting in the formation of marble. This transformation gives marble its distinct crystalline structure and unique appearance while retaining some of the original characteristics of limestone.
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Composition would remain constant.
Limestone islands are characterized by their towering karst formations, which are created through the erosion of limestone over time. These islands often have caves, sinkholes, and underground rivers due to the dissolution of limestone by water. Limestone islands typically have unique flora and fauna adapted to their rugged terrain and nutrient-poor soils.
Limestone is primarily made of calcium carbonate, while sandstone is composed of sand-sized grains of minerals like quartz and feldspar. Limestone forms from the accumulation of marine organisms, while sandstone forms from the consolidation of sand deposits. Limestone is typically softer and more porous than sandstone, which is harder and more resistant to weathering.
Limestone is primarily made of calcium carbonate, while sandstone is composed of sand-sized grains of minerals like quartz and feldspar. Limestone forms from the accumulation of marine organisms, while sandstone forms from the consolidation of sand deposits. Limestone is often softer and more porous than sandstone, which is typically harder and more resistant to weathering.
it contains at least 50% calcium carbonate it has cracks and joints it is permeable (allows water to past through)
concrete is formed from limestone by the combustion of the limestone (heating of the limestone)!
Limestone and limestone formations.
The common name for limestone is simply "limestone".
It depends on the quality and quantity needed. Limestone is relatively affordable compared to other building materials, but pricing may vary based on location, supplier, and specific characteristics, such as color or finish.