gypsum Definition, Uses, & Facts Britannica

gypsum Definition, Uses, & Facts Britannica

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.

Gyprex SATINSPAR Tile Gyproc

Gyprex SATINSPAR Tile Gyproc

Gyprex SATINSPAR has a high level of light reflectance and resistance to staining with an attractive smooth satin finish. The gypsum core is recyclable. Further Information & Resources. Gyprex SATINSPAR Product Data Sheet. pdf. 128.8 KB. Download. Gyprex SATINSPAR Declaration of Performance. pdf.

Gypsum Mineral Data

Gypsum Mineral Data

Numerous localities worldwide. Naica, Chihuahua, Mexico. Link to MinDat.org Loion Data. Name Origin: From the Greek, gyps meaning "burned" mineral. Selenite from the Greek in allusion to its pearly luster (moon light) on cleavage fragments. Name Pronunciation: Gypsum : Synonym: Alabaster : ICSD 2057 : PDF 33311 : Satin Spar : Selenite

Calcite Satin Spar gemstone information

Calcite Satin Spar gemstone information

Calcite Satin Spar was the first material to be called Satin Spar, a name now associated with a similar variety of gypsum. Calcite Satin Spar is a hard fibrous form of calcite which can take an excellent polish to give a fine satiny finish. It was first found in the last years of the 18th century near Alston in Cumbria, England.

British Gypsum Satin Spar Buy Online Ceiling Tiles UK

British Gypsum Satin Spar Buy Online Ceiling Tiles UK

British Gypsum Satin Spar. The Satin Spar is a wipe clean plasterboard ceiling tile with a vinyl face, offering a smooth white appearance. Note – this is a quality product from a leading manufacturer, please be wary of cheap imitations which offer no fire protection and are not suitable for the UK market.

Gyprex Satinspar British Gypsum

Gyprex Satinspar British Gypsum

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mining gypsum and magnesium MC Machinery

mining gypsum and magnesium MC Machinery

Gypsum: Mineral information, data and localities. Satin Spar Gypsum: A fibrous variety of Gypsum. See also the main page on Satin Spar. Selenite: The name ''selenite'' is mostly synonymous with gypsum but has been used historically to describe the transparent variety, as opposed to satin spar gypsum for the fibrous variety and alabaster for the finegrained massive form.

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

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

Selenite is the crystalline form of gypsum. These crystals are very brittle and fragile. Selenite can form large crystals—some as big as bicycle tires! Visitors to the park can see selenite crystals on hikes to Lake Lucero. There are three other varieties of the mineral gypsum: satin spar, desert rose, and gypsum

Gypsum Value, Price, and Jewelry Information

Gypsum Value, Price, and Jewelry Information

Satin Spar. This massive, fibrous variety of gypsum can be carved or cabbed. Brown satin spar can make lovely decorative items. Some satin spar cabochons may show very pronounced chatoyancy or a "''s eye" effect. The noted mineralogist and folklorist George F. Kunz wrote that eggshaped satin spar cabs from Egypt were sometimes called "Pharaoh''s Eggs" and were purported to be

Gypsum Encyclopedia.com

Gypsum Encyclopedia.com

Gypsum. Gypsum, a white mineral soft enough to be scratched with a fingernail, is hydrated calcium sulfate [Ca(SO 4) 2H 2 O]. Gypsum often begins as calcium sulfate dissolved in an isolated body of salt water.As the water evaporates, the calcium sulfate becomes so concentrated that it can no longer remain in solution and crystallizes out (precipitates) as gypsum.

Gypsum Wikipedia

Gypsum Wikipedia

Gypsum is a very saft sulfate meeneral componed o calcium sulfate dihydrate, wi the chemical formula CaSO 4 ܨH 2 O. It can be uised as a fertilizer, is the main constituent in mony furms o plaister an is widely mined. A very finegrained white or lichtly tinted variety o gypsum, cried alabast, haes been uised for sculpture bi mony culturs includin Auncient Egyp, Mesopotamie an the Nottingham

Gypsum

Gypsum

In a major operation near Briar, Howard County, 5 beds of massive gypsum with an aggregate thickness of as much as 20 feet are mined. Satin spar is interbedded with clay units as thin layers (0.5 to 2.5 inches in thickness), both above and below the 5 minable layers of alabaster.

gypsum satin spar information and data Jack Higgins

gypsum satin spar information and data Jack Higgins

Gypsum, common sulfate mineral of great commercial importance, composed of hydrated calcium sulfate (CaSO 4 ܨH 2 O). In welldeveloped crystals the mineral commonly has been called fibrous massive variety has a silky lustre and is called satin spar it is translucent and opalescent and is valued for ornaments and jewelry.

Product Data Sheet Gyprex SATINSPAR British Gypsum

Product Data Sheet Gyprex SATINSPAR British Gypsum

Finish Smooth, unperforated satin finish Mass 6.2 kg/m2 Product performance Acoustic performance D ncw Product Data Sheet For a comprehensive and uptodate library of information visit the British Gypsum website at: britishgypsum.com. For information about products supplied by Artex Limited or SaintGobain Isover please see their

satin spar gypsum AZGS Document Repository

satin spar gypsum AZGS Document Repository

satin spar gypsum. Gypsum. Basic Information. Description: The gypsum industry is a growing one, and will apparently continue to grow for some time. Producers report better trade conditions for 1913 than for 1912. In ten years the production has jumped from 1,000,000 tons of crude gypsum in 1903 to more than 2,500,000 tons in 1913.

Gypsum Mineral Uses and Properties

Gypsum Mineral Uses and Properties

Gypsum: Satin spar, a fibrous variety of gypsum from Derbyshire, England. Specimen is approximately 4 inches (10 centimeters) across. What is Gypsum? Gypsum is an evaporite mineral most commonly found in layered sedimentary deposits in association with halite, anhydrite, sulfur, calcite, and dolomite.

Satin Spar Crystal Meanings Spirit Of ISIS Crystals

Satin Spar Crystal Meanings Spirit Of ISIS Crystals

Gypsum is a common hydrated calcium sulphate mineral. Varieties of Gypsum include Satin Spar (fibrous), Selenite (clear crystalline), Alabaster (fine grained) and Desert Rose (brown sand inclusions). Gypsum crystals can form interesting wavy formations. Polished Satin Spar (often incorrectly named Selenite) displays chatoyancy (''s eye effect).

How to distinguish Gypsum and Anhydrite in drill cuttings

How to distinguish Gypsum and Anhydrite in drill cuttings

How to distinguish Gypsum and Anhydrite in drill cuttings at well site? One of the most obvious feature is the overall presence of evaporites satin spar filled fractures, gypsum rosettes

Selenite Mineral and Healing Properties

Selenite Mineral and Healing Properties

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 is a common, rockforming mineral, with thick, extensive beds formed by the evaporation of

Gypsum, selenite: The mineral gypsum information and pictures

Gypsum, selenite: The mineral gypsum information and pictures

It is porous and is therefore easily dyed. The fibrous Satin Spar variety is sometimes cut into cabochons for collectors because of its strong ''s eye effect. Fine Gypsum specimens are very popular among mineral collectors, especially the varieties Selenite and Desert Rose.

Gypsum Wikipedia

Gypsum Wikipedia

Gypsum occurs in nature as flattened and often twinned crystals, and transparent, cleavable masses called selenite. Selenite contains no significant selenium rather, both substances were named for the ancient Greek word for the Moon. Selenite may also occur in a silky, fibrous form, in which case it is commonly called "satin spar".

Is selenite the same as quartz? Quora

Is selenite the same as quartz? Quora

Aug 04, 2018 · Selenite(Selenite mineral information and data.) is a the variety of gypsum (CaSO4 . 2H2O) that grows in tabular transparent crystals (unlike alabaster, which is finegrained, massive and white) or its "satin spar" variety (fibrous, with a silky l

Gypsum Wikipedia

Gypsum Wikipedia

Gypsum is a very saft sulfate meeneral componed o calcium sulfate dihydrate, wi the chemical formula CaSO 4 ܨH 2 O. It can be uised as a fertilizer, is the main constituent in mony furms o plaister an is widely mined. A very finegrained white or lichtly tinted variety o gypsum, cried alabast, haes been uised for sculpture bi mony culturs includin Auncient Egyp, Mesopotamie an the Nottingham

Illinois State Geological Survey Gypsum ISGS

Illinois State Geological Survey Gypsum ISGS

Satin spar gypsum has crystals resembling silky threads closely packed together, splits parallel to the fibers, and is found as fillings in cracks within rocks and as thin layers in shales. Massive microcrystalline gypsum is granular. Gypsum deposits occur deep underground in Illinois,

Gypsum Value, Price, and Jewelry Information

Gypsum Value, Price, and Jewelry Information

Satin Spar. This massive, fibrous variety of gypsum can be carved or cabbed. Brown satin spar can make lovely decorative items. Some satin spar cabochons may show very pronounced chatoyancy or a "''s eye" effect. The noted mineralogist and folklorist George F. Kunz wrote that eggshaped satin spar cabs from Egypt were sometimes called "Pharaoh''s Eggs" and were purported to be

British Gypsum Ceiling Tile Wipeable Satin Spar 600 x

British Gypsum Ceiling Tile Wipeable Satin Spar 600 x

British Gypsum Satin Spar (Wipeable) 600 x 600mm Square Edge Ceiling Tiles (10/Box) These products often have no performance data associated, especially crucial in terms of ''Reaction to Fire''. Our advice would be, if the price seems too good to be true, there is probably a reason for this.

nteresting Gypsum Facts YouTube

nteresting Gypsum Facts YouTube

Nov 21, 2017 · How to tell the difference between true selenite versus satin spar "selenite" a comparison Advantages of Gypsum Plaster over Sand Cement Plaster Duration: 4:23. Gyproc India

Corundum Mineral Data Mineralogy Database

Corundum Mineral Data Mineralogy Database

Excalibur Mineral Corp. Google Search for Corundum Exceptional Minerals Google Search for Corundum John Betts Fine Minerals Search for Corundum McDougall Minerals Google Search for Corundum Mineral News Website Link Rock and Mineral Shows Google Search for Corundum Weinrich Minerals, Inc. Google Search for Corundum. Ask about Corundum here :

British Gypsum Ceiling Tile Wipeable Satin Spar 600 x

British Gypsum Ceiling Tile Wipeable Satin Spar 600 x

British Gypsum Satin Spar (Wipeable) 600 x 600mm Square Edge Ceiling Tiles (10/Box) These products often have no performance data associated, especially crucial in terms of ''Reaction to Fire''. Our advice would be, if the price seems too good to be true, there is probably a reason for this.

Gypsum Encyclopedia.com

Gypsum Encyclopedia.com

Gypsum. Gypsum, a white mineral soft enough to be scratched with a fingernail, is hydrated calcium sulfate [Ca(SO 4) 2H 2 O]. Gypsum often begins as calcium sulfate dissolved in an isolated body of salt water.As the water evaporates, the calcium sulfate becomes so concentrated that it can no longer remain in solution and crystallizes out (precipitates) as gypsum.

University of Minnesota''s Mineral Pages: Gypsum

University of Minnesota''s Mineral Pages: Gypsum

Gypsum also occurs in crystal form, with the two most common varieties being large clear crystals that are often termed selenite, and fibrous crystals, known as satin spar. ''Selenite'' is the Greek word for moon, and refers to the crystals welldeveloped pearllike luster that can reflect a soft moonlike glow.

satin spar The Mineral and Gemstone Kingdom

satin spar The Mineral and Gemstone Kingdom

satin spar The Mineral and Gemstone Kingdom . Minerals.net . Complete Information Guide to Rocks, Minerals, & Gemstones . Minerals. Minerals & Varieties. View All Minerals Fibrous variety of Gypsum. May occasionally also describe a fibrous form of Calcite or Aragonite. Back

Gypsum Mineral Deposits in Nigeria with their Loions

Gypsum Mineral Deposits in Nigeria with their Loions

Uses of Gypsum. Used in the manufacture of chalk, wallboard and plaster of Paris. Used in agriculture in the production of fertilizer, in soil conditioning. In cement production such as Portland cement, it serves as a hardening retarder. Varieties of gypsum like Alabaster and Satin spar are used for numerous ornamental purposes.

: 5.9" Selenite Massage Wand Natural Satin Spar

: 5.9" Selenite Massage Wand Natural Satin Spar

"Satin Spar" comes from compact fibrous aggregate veins. This variety has a very satin like look that gives these crystals a play of light. Long thin crystals show bends and some specimens bend into spirals called "Ram''s Horn Selenite". (The above information is provided solely for informational purpose.

Satin Spar Gypsum: Mineral information, data and localities.

Satin Spar Gypsum: Mineral information, data and localities.

Quick NavTop About Satin Spar Gypsum Chemical Properties Synonyms Common Associates Other Information Internet Links Localities Locality List Mineral and/or Locality Mindat.org is an outreach project of the Hudson Institute of Mineralogy, a 501(c)(3) notforprofit organization.

Is selenite the same as quartz? Quora

Is selenite the same as quartz? Quora

Aug 04, 2018 · Selenite(Selenite mineral information and data.) is a the variety of gypsum (CaSO4 . 2H2O) that grows in tabular transparent crystals (unlike alabaster, which is finegrained, massive and white) or its "satin spar" variety (fibrous, with a silky l

Gypsum GEO143 Mineral Webpages

Gypsum GEO143 Mineral Webpages

Varieties: There are four crystalline varieties of gypsum, which are satin spar, desert rose, gypsum flower, and selenite, all of which can sometimes be grouped together forming selenite. 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

Satin Spar Crystal Meanings Spirit Of ISIS Crystals

Satin Spar Crystal Meanings Spirit Of ISIS Crystals

Gypsum is a common hydrated calcium sulphate mineral. Varieties of Gypsum include Satin Spar (fibrous), Selenite (clear crystalline), Alabaster (fine grained) and Desert Rose (brown sand inclusions). Gypsum crystals can form interesting wavy formations. Polished Satin Spar (often incorrectly named Selenite) displays chatoyancy (''s eye effect).

Gypsum Mineral Data

Gypsum Mineral Data

[Newest Minerals] [Mineral Auctions] [Mineral Gallery] The Mineral Gallery''s Exceptional Specimens and Mineral Hall of Fame Visa, PayPal, and Mastercard are Welcomed

Gypsum

Gypsum

In a major operation near Briar, Howard County, 5 beds of massive gypsum with an aggregate thickness of as much as 20 feet are mined. Satin spar is interbedded with clay units as thin layers (0.5 to 2.5 inches in thickness), both above and below the 5 minable layers of alabaster.

Satin spar mineral Britannica

Satin spar mineral Britannica

Gypsum, common sulfate mineral of great commercial importance, composed of hydrated calcium sulfate (CaSO 4 ܨH 2 O). In welldeveloped crystals the mineral commonly has been called selenite. The fibrous massive variety has a silky lustre and is called satin spar it is translucent and opalescent and is valued for ornaments and jewelry.

gypsum mines information for kids

gypsum mines information for kids

Gypsum: Gypsum mineral information and data. Gypsum Sterling Mine, Visit gemdat for gemological information about Gypsum. Pseudomorphs of Gypsum after an unidentified mineral. Gypsum: Satin spar, a fibrous variety of gypsum from Derbyshire, England. Minerals: Information about ore minerals, gem materials and rockforming minerals.

satin spar gypsum AZGS Document Repository

satin spar gypsum AZGS Document Repository

satin spar gypsum. Gypsum. Basic Information. Description: The gypsum industry is a growing one, and will apparently continue to grow for some time. Producers report better trade conditions for 1913 than for 1912. In ten years the production has jumped from 1,000,000 tons of crude gypsum in 1903 to more than 2,500,000 tons in 1913.

Gypsum GEO143 Mineral Webpages

Gypsum GEO143 Mineral Webpages

Varieties: There are four crystalline varieties of gypsum, which are satin spar, desert rose, gypsum flower, and selenite, all of which can sometimes be grouped together forming selenite. 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

Gypsum GEO143 Mineral Webpages

Gypsum GEO143 Mineral Webpages

Varieties: There are four crystalline varieties of gypsum, which are satin spar, desert rose, gypsum flower, and selenite, all of which can sometimes be grouped together forming selenite. 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

Gypsum Facts Softschools.com

Gypsum Facts Softschools.com

Interesting Gypsum Facts: The word gypsum is derived from the Greek word gypsos which means chalk or plaster. Gypsum has five basic forms: selenite, satin spar, alabaster, rock gypsum, and gypsite. The most common form of gypsum is rock gypsum. There is a large sand dune in New Mexico made of gypsum sand.

Gypsum Facts Softschools.com

Gypsum Facts Softschools.com

Interesting Gypsum Facts: The word gypsum is derived from the Greek word gypsos which means chalk or plaster. Gypsum has five basic forms: selenite, satin spar, alabaster, rock gypsum, and gypsite. The most common form of gypsum is rock gypsum. There is a large sand dune in New Mexico made of gypsum sand.