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Saturday, August 8, 2009


Granite is very strong and durable stone. It takes good polish, It is composed chiefly of quartz and feldspar mixed with particles of mica. The colour depends upon the predominating constituent of feldspar. It is popularly used as architectural stone for interior and exterior walls, floors and monumental stone etc. The colours & texture are mentioned in below paragraphs.

DescriptionGranite rocks are igneous rocks, which were formed by slowly cooling pockets of magma that were trapped beneath the earth's surface. Granite is used for long lasting monuments and for trim and decoration on buildings. Igneous rocks are called fire rocks and are formed either underground or aboveground. Underground, they are formed when the melted rock, called magma, deep within the earth becomes trapped in small pockets. As these pockets of magma cool slowly underground, the magma becomes igneous rocks. Igneous rocks are also formed when volcanoes erupt, causing the magma to rise above the earth's surface. When magma appears above the earth, it is called lava. Igneous rocks are formed as the lava cools above ground. Formats/Sizes Available Blocks, Slabs, Tiles. Finishes AvailablePolished, Honed, Sawn (Rough), Sand Blasted, Bush Hammered, Flamed. Recommended Applications Wall-cladding, roofing, flooring and all other interior & exterior applications depending upon the imagination of an architect.

Thursday, August 6, 2009

Minerals of Sandstone

Sandstone is formally defined strictly by particle size, but rocks made of carbonate minerals don't qualify as sandstone. Carbonate rocks are called limestone and given a whole separate classification, so sandstone really signifies a silicate-rich rock. (A medium-grained clastic carbonate rock, or "limestone sandstone," is called calcarenite.) This division makes sense because limestone is made in clean ocean water, whereas silicate rocks are made from sediment eroded off the continents.
Mature continental sediment consists of a handful of surface minerals, and sandstone therefore is usually almost all quartz. Other minerals—clays, hematite, ilmenite, feldspar, amphibole and mica— and small rock fragments (lithics) as well as organic carbon (bitumen) add color and character to the clastic fraction or the matrix. A sandstone with at least 25 percent feldspar is called arkose. A sandstone made of volcanic particles is called tuff.
The cement in sandstone is usually one of three materials: silica (chemically the same as quartz), calcium carbonate or iron oxide. These may infiltrate the matrix and bind it together, or they may fill the spaces where there is no matrix.
Depending on the mix of matrix and cement, sandstone may have a wide range of color from nearly white to nearly black, with gray, brown, red, pink and buff in between.

Introduction to Sandstone

Sandstone is a category of rock made from sediment (a sedimentary rock). The sediment particles are clasts, or pieces, of minerals and fragments of rock, thus sandstone is a clastic sedimentary rock. It is composed mostly of sand, which means particles of a medium size, so sandstone is a medium-grained clastic sedimentary rock. More precisely, sand is between 1/16 millimeter and 2 mm in size (silt is finer and gravel is coarser). Sandstone may include finer and coarser material and still be called sandstone, but if it includes more than 30 percent grains of gravel, cobble or boulder size it's classified instead as conglomerate or breccia (together these are called rudites).

Sandstone has two different kinds of material in it besides the sediment particles: matrix and cement. Matrix is the fine-grained stuff (silt and clay size) that was in the sediment along with the sand whereas cement is the mineral matter, introduced later, that binds the sediment into rock.
Sandstone with a lot of matrix is called poorly sorted. If matrix amounts to more than 10 percent of the rock, it is called a wacke ("wacky"). A well-sorted sandstone (little matrix) with little cement is called an arenite. Another way to look at it is that wacke is dirty and arenite is clean.
You may notice that none of this discussion mentions any particular minerals, just a certain particle size. But in fact, minerals matter.

Slate Strips Exporters

Suppliers and exporters of all kinds of natural stones namely sandstone, slate, limestone & marbles in variety of colors and in cut to size tiles, slabs, blocks, strips, cobbles and pebbles.

Contact - Information
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Export - Office
Contact Person :
Mr. Sita Ram Mangal (Chairman)

Address :
403, Sapphire Jagan Plaza
Tulsi Marg, Banipark,
Jaipur - 302016 , India
Phone :+91-141- 2329782 / 5123108
Mobile :+91-9414276922
Fax :+91-141-5123108
Emai :l,

Head Office
Contact Person :
Mahesh Mangal (Director)

Address :Ganesh Road Sadar Bazar
Phone :+91-1434-232192
Mobile :+91 -141- 9414779376
Fax :+91 - 1434 - 512072
Email :

Works & Mining
Contact Person : Mr. Vishnu Mangal (Director)
Factory :N.H. No.-12, Jaipur-Kota Raod, Near Panwar Mode,
DEOLI,(Tonk), Rajasthan (INDIA)
Phone :+91 - 1434 - 234191+91 - 1434 - 512282
Mobile :+91-941423808, +91-9829232192

Slate Floorings

Slate, being a slip-resistant medium, is often used for different flooring applications. The colors and subtle textures of a slate floor complement most any interior design scheme. Natural slate has a look that cannot be matched using man-made alternatives. Manufacturers and suppliers have tapped the immense advantages offered by the slate stone and offer economically viable options to buyers, in terms of designs, colors and textures.

Slate Stone: The Perfect Choice For FlooringThe permanence of a slate floor makes it a cost effect option, in the long run. A slate floor is durable, slip resistant and easily maintained. Its combination of hardness and beauty also makes it a choice for commercial applications as well as the home. It can hold up to heavy and repeated traffic and still maintain its natural beauty. Slate Flooring tile are commonly used in floors.

Variety in Slate FloorsA large variety of colors in slate stones are used for flooring purposes. Different colors in slate include browns, greens and purples, sea greens and grays. Slate floors can be installed using one or a number of these colors. Slate flooring tile are available in various colors and shapes that enhanced beauty of the floor. Attractive flooring schemes can be created using these beautiful natural stone colors and tiles in varying shapes and sizes. Another dimension that can also be added is that of texture; slate is available in a naturally smooth finish or a rougher surface.

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