GYPSUM (Hydrated Calcium Sulfate)

    THE MINERAL GYPSUM . Chemistry: CaSO4-2(H2O), Hydrated Calcium Sulfate Class: Sulfates; Uses: plaster, wall board, some cements, fertilizer, paint filler, ornamental stone, etc.. Specimens. Gypsum is one of the more common minerals in sedimentary environments. It is a major rock forming mineral that produces massive beds, usually from ...

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    Gypsum - an overview | ScienceDirect Topics

    Gypsum is the name given to a mineral categorized as calcium sulfate mineral, and its chemical formula is calcium sulfate dihydrate, CaSO 4 ⋅ 2H 2 O. However, a broader definition includes all the calcium sulfates, including calcium sulfate hemihydrate, CaSO 4 ⋅ 0.5H 2 O, which is known as plaster or plaster of Paris (POP).

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    3.5: Non-Silicate Minerals - Geosciences LibreTexts

    3.4.3: Sulfates Figure (PageIndex{10}): Gypsum crystal. Sulfate minerals contain a metal ion, such as calcium, bonded to a sulfate ion. The sulfate ion is a combination of sulfur and oxygen (SO 4 – 2).The sulfate mineral gypsum (CaSO 4 ᐧ2H 2 O) is used in construction materials such as plaster and drywall. Gypsum is often formed from evaporating water and usually contains water ...

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    Western Mining and Minerals | CertainTeed

    SPECIALTY / INDUSTRY: Industrial Terra Alba – 98%+ Pure Calcium Sulfate Dihydrate Filler Grade Calcium Sulfate Products. Athletic White™ - Sports Field Marking Gypsum (50# Bags) PORTLAND CEMENT (P.C.) GYPSUM: Crushed High-Grade Gypsum for use in the manufacture of White & Grey Cement (>90% purity, >42% SO3)

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    Gypsum - GEO143 Mineral Webpages - Google Sites

    Mineral Group: Gypsum is part of the sulfate group, which is a group of minerals that consist one or more metallic elements and the sulfate ion (SO 4 2-). All sulfates are soft and transparent to translucent. They can be lightly colored and some are soluble in water. The hydrous sulfates are a group of sulfate minerals that contain water in the ...

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    Gypsum Mineral | Uses and Properties

    What is Gypsum? 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).The chemical difference is that gypsum contains two waters and anhydrite is without water.

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    Gypsum | Physical-Optical Properties, Uses, Occurrence & More

    Gypsum, common sulfate mineral of superb industrial significance, composed of hydrated calcium sulfate (CaSO4 ·2H2O). In properly-developed crystals the mineral normally has been called selenite. The fibrous large variety has a silky lustre and is known as satin spar; it is translucent and opalescent and is valued for ornaments and jewellery. ...

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    Gypsum Mineral | Uses and Properties

    What is Gypsum? 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).The chemical difference is that gypsum contains two waters and anhydrite is without water.

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    Gypsum

    Gypsum is a naturally occurring mineral composed of hydrated calcium sulfate and appears soft white or grey in colour. It is formed mainly in layered sedimentary deposits and has a variety of uses in many industries like building, sculpting, gardening, and ornaments.

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    Gypsum - White Sands National Park (U.S. National Park ...

    Jan 22, 2020 · Gypsum is a hydrous, soft sulfate mineral, specifically a calcium sulfate dihydrate, which means it has two molecules of water in its chemical composition. This is seen in its chemical formula is CaSO 4 2H 2 0. When gypsum is heated and the water within the mineral is evaporated out, gypsum turns into a chalk or plaster, known as plaster of Paris.

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    Garden Gypsum Information - Is Gypsum Good For The Soil

    Mar 11, 2020 · Gypsum is calcium sulfate, a naturally occurring mineral. It has been touted as beneficial for breaking up compact soil, especially clay soil . It is useful in changing the soil structure of excessively heavy soils which have been impacted by heavy traffic, flooding, overcropping, or simply overly weatherized.

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    SECTION 1-PRODUCT AND COMPANY IDENTFICATION

    MK MINERALS, INC. Product: Pelletized Gypsum Version: 1.1 Page: 1 of 4 Revision Date:2/28/2018 SECTION 1-PRODUCT AND COMPANY IDENTFICATION Product Name: Pelletized Gypsum Common Name: Calcium Sulfate dihydrate, Gypsum Chemical Name: Calcium Sulfate dihydrate Chemical Formula: CaSO4 2H2O Manufacturer or Supplier's Details: Company name of ...

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    Uses for Gypsum Powder | Sciencing

    Gypsum is the common name for the mineral calcium sulfate, which has a chemical formula CaSO 4.Gypsum bonds easily with water and is usually found in its natural state as hydrated calcium sulfate, with a chemical formula of CaSO 4.2H 2 0. Gypsum is a soft mineral that usually appears white or gray and is composed of translucent crystals.

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    Gypsum: The Miracle Mineral - Georgia-Pacific Building ...

    A soft mineral made of calcium sulfate dihydrate, gypsum's pliable yet durable properties make it an ideal ingredient in a wide variety of products used often in the modern world—which works out well since it's the most commonly found sulfate mineral and often easily mined. Gypsum is commonly used in many industries for everything from ...

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    SAFETY DATA SHEET - Western Minerals

    Natural mineral Gypsum may contain trace amounts (<0.1%) of Crystalline Silica as a naturally occurring impurity. Analytical results from samples of bulk product did not detect crystalline silica in the samples.

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    Sulfate Minerals - an overview | ScienceDirect Topics

    Gypsum is the name given to a mineral categorized as calcium sulfate mineral, and its chemical formula is calcium sulfate dihydrate, CaSO 4 ⋅ 2H 2 O. However, a broader definition includes all the calcium sulfates, including calcium sulfate hemihydrate, CaSO 4 ⋅ 0.5H 2 O, which is known as plaster or plaster of Paris (POP). Figure 6 summarizes the polymorphism of calcium sulfate; 'g ...

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    Effect of Mineral Admixtures on the Sulfate Resistance of ...

    Pre-stressed high-strength concrete piles (PHCP) are widely used in the building industry in China. The main aim of our research was to investigate the utilization of quartz powder, fly ash, and blast furnace slag as mineral additives to prepare PHCP mortar. The samples were prepared using steam and autoclaving steaming. The influence of minerals on the sulfate resistance of mortar was ...

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    Gypsum — Home

    Apr 24, 2014 · 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 and Anhydrite both occur as primary minerals in Marine Evaporites.Evaporite deposits occur when sea water .

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    Chapter 12 Calcium Sulfate Precipitation Throughout Its ... · PDF file

    12 Calcium Sulfate Precipitation Throughout Its Phase Diagram 229 Fig. 12.1 Structural motifs of the three main calcium sulfate phases, gypsum, bassanite, and anhydrite (AII form). Tetrahedra are sulfate ions, large spheres are Ca ions, and arrows indicate water sheets and channels in the gypsum and bassanite structures, respectively (Images ...

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    Gypsum - Wikipedia
    • Gypsum is a soft sulfate mineral composed of calcium sulfate dihydrate, with the chemical formula CaSO4·2H2O. It is widely mined and is used as a fertilizer and as the main constituent in many forms of plaster, blackboard/sidewalk chalk, and drywall. A massive fine-grained white or lightly tinted variety of gypsum, called alabaster, has been used for sculpture by many cultures including Ancient Egypt, Mesopotamia, A.
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    Role of Gypsum in Cement and its Effects

    Gypsum is a naturally occurring mineral mined from deposits formed by ancient seabeds as a raw material. Composed of calcium sulfate and water, it is used for a variety of manufacturing, industrial, and agricultural uses. Its colour is white, Grey, yellow, red, brown. An important property of gypsum is that it is naturally fire-resistant.

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