Pegmatite is a type of igneous rock that is characterized by its unique texture and mineral composition. It is known for its exceptionally large crystals and often contains valuable minerals and gemstones. Here are some key features and information about pegmatite: Pegmatites are primarily composed of quartz, feldspar (especially potassium feldspar), and mica. These minerals are often found in exceptionally large crystals within pegmatite veins. The most distinguishing feature of pegmatite is its coarse-grained texture. It contains crystals that are much larger than those found in typical igneous rocks. Crystals can range from a few centimeters to several meters in size. Pegmatites are formed through the slow cooling of magma deep within the Earth's crust. The slow cooling allows for the growth of large crystals. Additionally, the composition of the magma and the presence of volatiles (such as water and gases) play a role in the formation of Pegmatites. Pegmatites are known for their mineral diversity. They can contain a wide variety of minerals, including not only quartz, feldspar, and mica but also rare and valuable minerals such as tourmaline, beryl, garnet, and spodumene. Because of their association with valuable minerals and gemstones, Pegmatites are often of interest to mineral collectors and gemstone enthusiasts. Some of the world's most famous gemstone deposits are associated with Pegmatites.
Quartzite is a naturally occurring metamorphic rock composed mainly of quartz, which is a mineral that belongs to the group of silicate minerals. It forms when sandstone is subjected to intense heat and pressure deep within the earth's crust. This process causes the sand grains in the sandstone to recrystallize and fuse together into a dense, hard rock. Quartzite is a very hard and durable rock that is resistant to both chemical and physical weathering. It is commonly used in construction and landscaping applications because of its durability and attractive appearance. Quartzite is often used as a building stone, flooring material, and as a decorative stone in gardens and landscapes.
Terra Red Slate Color Red Thickness 10-20 mm Water Absorption 0.1-0.6% Material Slate Stone Finish Polished Hardness 6 to 7 on Moh's Scale Density 2.6 to 2.8 Kg/cm3 Compressive Strength 140 to 210 N/mm2 Modulus of Rupture 15 to 25 N/mm2 Average Wear Less than 1% Porosity Quite low Weather Impact Resistant Product Description We are Suppliers and exporters of Terra Red Slate Natural Slate Stone. Surface Finish: Natural, Sawn, Honed, Polished, Sandblasted, Leather finish. Here it should be noted that some varieties yield appealing results in certain finishes only. Hence the choice of finish should be made cautiously. Slabs Dimensions: Length Range 60cm to 150cm Width Range 30cm to 60cm Thickness Range 20mm to 50mm Here it should be noted that slabs are available only in few colors. Tiles Dimensions: 30x30, 40x40, 60x30, 60x60cm or any cut to size.Thickness Range of 10mm to 30mm. Edges: Machine cut, Chamfer, Pencil Edge, Half bullnose, Full bullnose, Rebated Bullnose. Customization: We do undertake custom orders of any combination of color, finish, size, thickness, edge profile, etc. Physically, commercial granites are Hard, Compact rocks with fine to coarse grains of metamorphic or igneous origin. Chemically, they are igneous/metamorphic rocks composed of quartz, feldspar & ferromagnesian minerals like kryolite, chlorite, garnet, etc. A typical granite will have the following chemical composition: Silica (SiO2) 70-75% Al2O3 10-15% CaO+MgO Less than 0.5% FeO + Fe2O3 2-4% Alkalies 4-6% TiO2 Less than 0.5% Loss On Ignition (LOI) Less than 0.5%
Himachal White Quartzite - Natural Ledgestone Himachal White Quartzite - Natural The hard white quartzite Himachal White is a fine grained natural stone from India exhibiting a pale grey /green texture over snow white base having undertones of beige. Himachal White is a frost resistant slate / quartzite from the Himalayas in north India. Himachal White Quartzite stone has minor tonal color variation with itâ??s availability in natural split surface tiles. The use of this quartzite stone on exteriors imparts a snow-caped apperance to the building structure. The pure pristine Himachal White Slate / quartzite would give the surroundings a lighter hearted and optimistic. Due to its excellent texture & durability it has been used in bathrooms, showers and other delicate applications. Himachal White slate / quartzite tiles bring in a touch of individuality to your floor / wall and innovative landscaping feature & thus imparting personalized accents to any Home or garden. Himachal White slate / quartzite works well with most other colors as it illuminates and reflects the energy of the colors of the surroundings. Honed / Polished Himachal White Slate / quartzite displays excellent patterns & layers of mica and quartz on the surface. This stone can be used in any application. Even though it is honed / polished it does not become slippery when wet making it an excellent choice in the bathroom. Himachal white slate / quartzite is available in many surfaces like, Natural, Honed, Polished, Shot Blasted, Brushed, Lather Finish, & Vibrated finish (Tumbled). Also it is available in a combination of surfaces like honed and then sandblasted. Sizes, thickness, Edges and surface can be customized.