Gypsum - Wikipedia

Gypsum is a soft sulfate mineral composed of calcium sulfate dihydrate, with the chemical formula CaSO 4 ·2H 2 O. It is widely mined and is used as a fertilizer and as the main constituent in many forms of plaster, blackboard chalk and wallboard.

Factsheet on: What is Gypsum?

ENVIRONMENT AND RAW MATERIAL COMMITTEE Factsheet on: What is Gypsum? DATE: 16-07-2007 I. Natural Gypsum A. Introduction The mineral Gypsum precipitated some 100 to 200 million years ago when sea water evaporated.

Gypsum - The Miracle Mineral - YouTube

May 29, 2012· How gypsum is made into gypsum board and used as the most successful fire resistant building material ever. Skip navigation Sign in. Search. ... Gypsum - The Miracle Mineral Gypsum Association. ...

What is Gypsum? - Gypsum Association

Gypsum is an abundant mineral and takes forms including alabaster—a material used in decoration and construction as far back as ancient Egypt. The White Sands National Monument in New Mexico is the world's largest gypsum dunefield.

Gypsum Mineral | Uses and Properties

Gypsum is an evaporite mineral most commonly found in layered sedimentary deposits in association with halite, anhydrite, sulfur, calcite, and dolomite. Gypsum (CaSO 4 . 2H 2 O) is very similar to Anhydrite (CaSO 4 ).

Gypsum - ou.edu

Gypsum is the main ingredient for making wallboard, the principal building material for walls and ceilings in home construction as well as in commercial buildings (Figure 3). Another construction application is adding gypsum to cement.

Gypsum - Mineral and Healing Properties

Gypsum is one of the most widely used minerals in the world. Most is used to make wall board, also know as sheet rock. It is estimated that the average American home contains seven metric tons of gypsum. Gypsum is also added to concrete to strengthen the material, so it can be used in concrete for roads, bridges and sidewalks just to name a few.

Raw materials of gypsum board - SANME

Gypsum powder is one of five major cementing materials, and plays an important role in national economy, gypsum powder production line is to heat and grind the natural dihydrate gypsum ore or industrial byproduct gypsum .

University of Minnesota's Mineral Pages: Gypsum

Gypsum is a very soft mineral that is easily identified by its hardness, cleavage, and solubility in water. Typically clear to white, gypsum may be colored reddish to brown or yellow if impurities are present.

Gypsum plaster | building material | Britannica.com

Gypsum plaster is a white cementing material made by partial or complete dehydration of the mineral gypsum, commonly with special retarders or hardeners added. Applied in a plastic state (with water), it sets and hardens by chemical recombination of the gypsum with water.…

Gypsum and Anhydrite - Vinland Materials

The majority of gypsum (white rock) produced in North America is used to manufacture gypsum board, building plasters, and cement production. Gypsum is a non-toxic mineral that can be helpful to humans, animals, plant life, and the environment and is widely used as a fertilizer.

Gypsum Mineral Data

A Bijoux Google Search for Gypsum Dakota Matrix Minerals Google Search for Gypsum John Betts Fine Minerals Search for Gypsum McDougall Minerals Google Search for Gypsum Rock and Mineral Shows Google Search for Gypsum Weinrich Minerals, Inc. Google Search for Gypsum. Ask about Gypsum here : Ask-A-Mineralogist from the Mineralogical Society of ...

GYPSUM - USGS Mineral Resources Program

Gypsum has been known for centuries and is one of the oldest building materials in the world. The earliest known use of gypsum was in Anatolia around 6000 B.C. Later, in about 3700 B.C., gypsum was used on the interiors of the great pyramids in Egypt. Gypsum is found in every continent of the world and is one of the most widely used minerals.

USG | Home

Material Estimators. Ceilings Material Estimator; Sheetrock Wallboard Estimator; Vault Estimator; ... Mineral Fiber Wall Boards Mineral Fiber Wall Boards. Sheathing Sheathing. Structural Concrete Foundation Wall ... At USG, sustainability means building in harmony. We are committed to products that are in sync with the environment and the ...

Gypsum - Wikipedia

Gypsum is the most common sulfate mineral. Pure gypsum is white, but other substances found as impurities may give a wide range of colors to local deposits. Because gypsum dissolves over time in water, gypsum is rarely found in the form of sand.

What is Gypsum? - Definition from Corrosionpedia

It is an abundant mineral and widely mined. In structural engineering, from a corrosion-technical point of view, contacts of metals and mineral building materials that are produced with cement and gypsum play an important role. Gypsum is a major constituent of backfill materials in cathodic protection.

ACG Materials - Official Site

ACG Materials, based in Norman, Oklahoma, mines, mills, processes, and distributes minerals and aggregates including gypsum, anhydrite, limestone, sand, gravel and ...

gypsum | Definition, Uses, & Facts | Britannica.com

Gypsum plaster is a white cementing material made by partial or complete dehydration of the mineral gypsum, commonly with special retarders or hardeners added. Applied in a plastic state (with water), it sets and hardens by chemical recombination of the gypsum with water.

Gypsum - The Miracle Mineral - YouTube

May 29, 2012· How gypsum is made into gypsum board and used as the most successful fire resistant building material ever. Skip navigation Sign in. Search. ... Gypsum - The Miracle Mineral Gypsum …

Georgia-Pacific Building Products | Gypsum, Wood, Lumber ...

Georgia-Pacific manufactures an array of building products, such as plywood, OSB materials, gypsum boards, and lumber for residential and commercial builds. Georgia-Pacific manufactures an array of building products, such as plywood, OSB materials, gypsum boards, and lumber for residential and commercial builds. ...

Gypsum | Indiana Geological & Water Survey

Gypsum (CaSO 4 *2H 2 O) is a soft, water soluble mineral that is processed to make critical building materials especially wallboard. Gypsum is mostly massive (Fig. …

Construction & Demolition Recycling Association: Gypsum ...

Gypsum, a naturally occuring mineral, is composed of calcium sulfate (CaSO4) and water (H2O). Also referred to as hydrous calcium sulfate (CaSO4.2H2O), gypsum is mined from deposits formed by ancient seabeds as a raw material for many different manufacturing, industrial, and agricultural uses.

Gypsum Through the Ages - Gypsum Association

Over thousands of years, this important mineral has demonstrated its versatility and sturdiness and has become a staple in today's homes, buildings and structures. ... a tribute to gypsum's durability as a building material. Alabaster is a form of gypsum used both in building and as a decorative material.

Plaster - Wikipedia

Plaster is a building material used for the protective or decorative coating of walls and ceilings and for moulding and casting decorative elements. ... cement mixtures either with mineral wool or with vermiculite; gypsum plasters, leavened with polystyrene beads, ...

The Basics of Drying Gypsum - feeco.com

The Role of Drying in Gypsum Mineral Processing. After gypsum ore is extracted from mines or quarries, it is crushed and stockpiled as needed. If the gypsum ore's moisture content is greater than 0.5 weight percent, then the material requires drying. A gypsum dryer is commonly used to reduce the moisture content of the ore to the necessary level.

Mineral: Gypsum, Calcium sulphate

Mineral: Gypsum, Calcium sulphate Notes. CaSO4 2H2O is the crystalline mineral from which plaster is made. It is not practical as a source of CaO in glazes because its decomposition produces SO3 which is dangerous to health and it is destructive to the integrity of …

How drywall is made - material, manufacture, making, used ...

Gypsum powder is a natural product derived from the mineral gypsum. It is primarily used to make drywall, but it is also an ingredient in cement and paints. It is used by farmers as a fertilizer and soil conditioner. In the food industry, it is added to improve texture in a variety of products.

Gypsum | Define Gypsum at Dictionary.com

Gypsum definition, a very common mineral, hydrated calcium sulfate, CaSO4⋅2H2O, occurring in crystals and in masses, soft enough to be scratched by the fingernail: used to make plaster of Paris, as an ornamental material, as a fertilizer, etc.