Dolomite is both a mineral and a rock. The mineral is calcium magnesium carbonate, very similar to limestone but with added magnesium. The rock (also called dolostone) is primarily made of this mineral. It is mainly used in construction as an aggregate, in agriculture to improve soil, and as a source of magnesium.
Aggregates are granular materials like sand, gravel, and crushed stone. They are the main ingredients used to make construction materials like concrete and asphalt, and to create base layers for roads and foundations
quartz is one of the most common and important minerals on Earth. It is a hard, crystalline mineral made of silicon and oxygen atoms (silicon dioxide, SiO2). Quartz is known for its durability and comes in many varieties, including well-known gemstones like amethyst (purple), citrine (yellow), and rose quartz (pink), as well as rock crystal (clear).Due to its hardness and stability, it is widely used in jewelry, glass making, and electronics (for its piezoelectric properties in watches and clocks). It is also a major component of many rocks, like granite, and is the primary mineral in sand.
phosphate rock is a type of sedimentary rock that contains a high concentration of phosphate minerals. It is the primary raw material used to produce phosphate fertilizers and other phosphorus compounds. Phosphate rock is mined from deposits around the world.
The grade of phosphate rock can be broadly categorized as follows:
High-grade ores: Containing more than 26% P2O5.
Medium-grade ores: With a P2O5 content ranging from 17% to 26%.
Low-grade ores: Containing less than 16% P2O5.
basalt is a dark-colored, fine-grained volcanic rock .It forms from the rapid cooling of lava on the Earth's surface. Basalt is the most common rock on the planet, making up most of the ocean floor and large shield volcanoes like those in Hawaii .Due to its hardness and durability, it is widely crushed and used as an aggregate in construction for roads, concrete, and asphalt.
Limestone is a sedimentary rock composed primarily of calcium carbonate (CaCO3), most commonly in the form of the mineral calcite. It often contains fragments of marine organisms such as shells, coral, and fossils.
Limestone Lumps
Limestone Granules
Limestone Powder
Hydrated lime is a dry, colorless crystalline powder that is created by treating quicklime (calcium oxide) with water in a process called "slaking. "Ca(OH)2 . Essentially, it's what you get when you add a controlled amount of water to quicklime, causing a chemical reaction that generates heat and transforms the calcium oxide into calcium hydroxide.
Quicklime is a white or grayish-white, highly caustic, and alkaline solid material.CaO.
Key Characteristics
Appearance: A white or grayish-white powder or solid.
Properties: Its most notable property is its high reactivity with water.Ca(OH)2).
The reaction is: → CO2
Feldspar is the name for a large group of rock-forming minerals that are abundant in the Earth's crust, making up about 60% of terrestrial rocks. These minerals are aluminosilicates, which means their chemical structure is based on silica and alumina, and they also contain varying amounts of potassium, sodium, and calcium.
Talc's unique properties make it a valuable ingredient in a wide range of products and industries:
Plastics and Rubber
Ceramics.
Paints and Coatings.
Cosmetics and Personal Care.
Pulp and Paper.
Agriculture.
Raw gypsum is the unheated, natural form of the mineral
Calcium Sulfate Dihydrate (CaSO4 \ 2H2O).
Main Uses:
Agriculture: To break up heavy clay soil and add calcium/sulfur without altering pH.
Cement: Added to concrete mixes to keep them from hardening too instantly.
Food: Used as a coagulant to make tofu.
Edible Salt , Animal Salt, Raw Salt , One Washed Salt , Double Washed Salt Rock Salt , Industrial salt
Silica sand, also known as (Quartz sand) or (industrial sand), is a granular material primarily composed of silicon dioxide (SiO2). To be classified as silica sand, the material must contain at least 95% (SiO2) and less than 0.6% iron oxide. This high purity and the inherent properties of quartz make it a valuable resource for a wide range of industrial applications.
The formation of silica sand occurs over millions of years through the weathering of rocks, such as granite, that contain quartz. The constant action of wind and water breaks down the rock, leaving behind the more resistant quartz crystals. These crystals are then further broken down and transported, eventually forming deposits of silica sand.
Common Grades of Silica Sand Silica sand is graded based on several factors, including its chemical purity (specifically the percentage of SiO2), particle size distribution, and shape.
The grading determines its suitability for different industrial uses. While there isn't a single universal grading system, silica sand is often categorized by: Application-Specific Grades:
Used for manufacturing glass, this grade requires a very high silica content (typically over 99%) and a low iron content to ensure the clarity and strength of the glass.
Utilized in metal casting to create Molds and cores. This sand needs to have a high fusion point and be able to withstand high temperatures.
A durable, crush-resistant sand with a specific grain size and shape used in the oil and gas industry to prop open fractures in rock formations
Used in water and sewage treatment, this grade is selected for its uniform grain size to effectively filter out impurities.
Used in mortar, concrete, and other construction materials.
Found in golf course bunkers and sandboxes, this sand is chosen for its texture and colour.