mineral gypsum

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: Gypsum mineral information and data. - Mindat.org

The most common sulphate mineral. Found as both massive material, including the alabaster variety; and clear crystals, the selenite variety; and, parallel fibrous, the satin spar variety. Typically colourless to white, transparent crystals, thick tabular to lenticular, sometimes prismatic.

Properties and Uses of Gypsum - ScienceStruck

To sum up, gypsum is one of the most abundant minerals that have endless uses and applications. Mining of gypsum is simple and easy, as the mineral occurs in large thick beds near the Earth's surface. However, large-scale mining of gypsum involves considerable damage to the environment.

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.

Gypsum - Mineral and Healing Properties

Gypsum is a common mineral, with thick and extensive evaporite beds in association with sedimentary rocks. Deposits are known to occur in strata from as far back as the Archaean eon. Gypsum is deposited from lake and sea water, as well as in hot springs, from volcanic vapors, and sulfate solutions in …

Gypsum – Nevada Mining Association

Gypsum is a clear, crystal-like mineral, that is generally found in sedimentary rock deposits. It's appearance is the result of centuries of water absorption. In sandy areas, gypsum may develop a brownish hue.

Gypsum - Metaphysical Healing Properties

Gypsum varies from colourless to white, gray, yellowish, reddish, greenish, and brown. Gypsum is one of the more common minerals in sedimentary environments. It is a major rock forming mineral that produces massive beds, usually from precipitation out of highly saline waters.

Selenite (mineral) - Wikipedia

Selenite, satin spar, desert rose, and gypsum flower are four varieties of the mineral gypsum; all four varieties show obvious crystalline structure. The four "crystalline" varieties of gypsum are sometimes grouped together and called selenite.

Gypsum, selenite: The mineral gypsum information and pictures

Gypsum is an industrially important mineral. It is the primary ingredient of plaster-of-Paris, which is finely ground Gypsum, and it is used in the production of cement.

Gypsum, calcium sulfate dihydrate, formula CaSO4·2H2O, mineral

Gypsum is a soft sulfate mineral composed of calcium sulfate dihydrate, with the chemical formula CaSO4·2H2O. It is widely mined and is apply as a fertilizer, and as the main constituent in many forms of plaster, wallboard and blackboard chalk.

CDC - NIOSH Pocket Guide to Chemical Hazards - Gypsum

Calcium(II) sulfate dihydrate, Gypsum stone, Hydrated calcium sulfate, Mineral white [Note: Gypsum is the dihydrate form of calcium sulfate; Plaster of Paris is the hemihydrate form.]

gypsum - MSU Department of Geography

Gypsum is a non-metallic mineral, found in rock form. It is composed of 79.1% calcium sulphate and 20.9% water, by weight. Chemists call it Hydrous Calcium Sulphate, and as there is one molecule of calcium sulphate combined with two molecules of water.

THE MINERAL GYPSUM - Amethyst Galleries Mineral Gallery

Gypsum is one of the more common minerals in sedimentary environments. It is a major rock forming mineral that produces massive beds, usually from precipitation out of highly saline waters.

YupRocks.com - Pictures of the Mineral Gypsum

The mineral Gypsum is chemically named as "calcium sulfate dehydrate".The composition of Gypsum is sulfur attached to oxygen, calcium and water. Gypsum is in abundance; it attains forms like alabaster – the element that was used for construction and decoration which dates back to early Egypt.

GYPSUM - USGS Mineral Resources Program

plant produces gypsum plaster products, industrial fillers, and agricultural gypsum for the Western United States. Pure gypsum is a white-to-transparent-colored mineral, but sometimes impurities color it grey, brown, or pink. Its chemical name is calcium sulfate dihydrate, and its chemical formula is CaSO 4 …

Gypsum | Definition of Gypsum by Merriam-Webster

Gypsum definition is - a widely distributed mineral consisting of hydrous calcium sulfate that is used especially as a soil amendment and in making plaster of paris.

Mineral Properties, Photos, Uses and Descriptions

Talc is a soft mineral used in cosmetics, paper, paint, ceramics and many other products. Colored Glass Minerals in Colored Glass - Minerals are what produce the color in colored glass.

Gypsum | Minerals Education Coalition

Gypsum is a mineral found in crystal as well as masses called gypsum rock. It is a very soft mineral and it can form very pretty, and sometimes extremely large colored crystals. Massive gypsum rock forms within layers of sedimentary rock, typically found in thick beds or layers.

Gypsum - Wikipedia

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. Most gypsum occurs in its massive form, as layers of rock that often intercalate layers of shale, limestone, or dolostone.

USGS Minerals Information: Gypsum

Gypsum, one of the most widely used minerals in the world, literally surrounds us every day. Most gypsum in the United States is used to make wallboard for homes, offices, and commercial buildings; a typical new American home contains more than 7 metric tons of gypsum alone.

Gypsum Facts - Softschools.com

Gypsum is a mineral with bendable crystals. It is often mined in the US, Mexico, Nova Scotia, and Australia. It is usually colorless, white, or gray in color. Although gypsum is a mineral, it can exist as a sedimentary rock. It is a sulfate containing oxygen and sulfur. The word gypsum is derived ...

Gypsum | Encyclopedia.com

gypsum (jĬp´səm), mineral composed of calcium sulfate (calcium, sulfur, and oxygen) with two molecules of water, CaSO 4 ·2H 2 O. It is the most common sulfate mineral, occurring in many places in a variety of forms.

Gypsum | mineral | 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 — GMSS

Calcium Sulfate Minerals. Gypsum is the more common, hydrated form of calcium sulfate. In fact, it is the most common of all sulfate minerals. Gypsum's chemical formula is CaSO 4. 2H 2 O. The anhydrous (without water) mineral is called Anhydrite (CaSO 4).

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 ).

Anhydrite Mineral | Uses and Properties

Anhydrite is an evaporite mineral that occurs in extensive layered deposits in sedimentary basins where large volumes of sea water have been evaporated. It is typically interbedded with halite, gypsum, and limestone in accumulations that can be up to hundreds of feet thick.

gypsum belongs to which group of minerals

Oct 18, 2017· Gypsum is a very soft sulfate mineral composed of Calcium Sulfate Dehydrate, with the chemical formula CaSO4amp;middot;2H2O. It can be used as a fertilizer, as a mineral it is alabaster, which has been used for sculpture by many cultures including Ancient Egypt. Live Chat.

How Is Gypsum Formed? | Hunker

Gypsum is a sedimentary rock and a crystalline mineral. "Gypsum is a soft, white to gray, "chalky" mineral composed of calcium sulfate and water," says Raymond Anderson of Iowa's Department of Natural Resources.