Selenite was named after the Ancient Greek word for the Moon, but one should not be mistaken to assume that selenium is one of the compositions of . It is used as a flux for creating earthenware, and can be used as a fertilizer. What are the differences between Selenite and Satin Spar Gypsum? Gypsum is an industrially important mineral. All varieties of gypsum, including selenite and alabaster, are composed of calcium sulfate dihydrate (meaning that it has two molecules of water . 2H 2 O; Color: Colorless or White; Crystal Shape: Tabular. It is widely mined and is used as a fertilizer, and as the main constituent in many forms of plaster, blackboard chalk and wallboard. It is the primary ingredient of plaster-of-Paris, which is finely ground Gypsum, and it is used in the production of cement. 2H 2 O. On the Mohs mineral hardness scale, selenite gypsum ranks at a very low 2. On the other hand, the satin spar is fibrous or silky in nature. A very fine-grained white or lichtly tinted variety o gypsum, cried alabast, haes been uised for sculpture bi mony culturs includin Auncient Egyp, Mesopotamie an the Nottingham . Satin spar is a fibrous variety of the mineral which forms in long strands, which grouped, form "sticks." The following are the properties of the selenite mineral. Synonyms. Chemical Formula: CaH 4 O 6 S. click here for details. Related Topics. 2H 2 O. Selenite 'blades' are found in Mexico, the most well-known location being the 'Cave of Swords.' Our selenite is from Morocco and Madagascar. Satin Spar Satin spar is an adjective used when the fibrous habit of a mineral gives it a satin luster. Selenite: Selenite may refer to: A selenium-containing anion or ionic compound with the SeO32− anion: Selenite (ion), anion is a selenium oxoanion with the chemical . Selenite:-colourless, crystalline and transparent. Chemical Formula: CaSO 4. The four "crystalline" varieties of gypsum are sometimes grouped together and called selenite. This is seen in its chemical formula is CaSO 4 2H 2 0. Chemical name Calcium sulfate dihydrate Trivial name Alabaster, Satin Spar, Selenite, Chemical formula CaSO 4 •2H 2 O Other forms CaSO 4 CaSO 4 •0.5H 2 O Crystal system monoclinic Crystal structure Deliquescence humidity 20°C > 99% RH at 20°C Solubility (g/l) at 20°C 2.14 g/l Density (g/cm³) 2.31 g/cm³ Molar volume It is one of the most common sulfate minerals. It resembles . Molecular Formula: CaH 4 O 6 S: Molecular Weight: 172.171160 [g/mol] H-Bond Donor: 2: H-Bond Acceptor: 6 Hexacalcium hexaoxotris (sulphato (2-))dialuminate (12-) As nouns the difference between selenite and mica. Selenite, satin spar, desert rose, and gypsum flower are four varieties of the mineral gypsum; all four varieties show obvious crystalline structure. Gypsum is a relatively common mineral, and may be found throughout the world. Molecular Formula. The fibrous structure is preserved also at high magnifications. Satin Spar is a sub group of gypsum characterized by having prevalent vertical growth lines and having an opaque milky color. Also as granular masses and fibrous masses (Satin Spar). Gypsum is a hydrous, soft sulfate mineral, specifically a calcium sulfate dihydrate, which means it has two molecules of water in its chemical composition. Different varieties of limestone and sandstone, which differ largely in quality and suitability for carving, are used for making the sculpture. Selenite denotes the clear crystal variety that is less common. Synonyms * satin spar (1) Derived terms * cadmium selenite * sodium selenite Anagrams * alabaster English ( wikipedia alabaster ) Alternative forms Gypsum is composed of hydrated calcium sulfate, and its chemical formula is CaSO4.2H2O. Color - white to pale green. Selenite is the most famous of the two names, but Selenite crystals are actually much rarer than Satin Spar. BEHR PREMIUM Oil-Based Spar Urethane is a clear protective finish that shields your interior and exterior wood surfaces coated with BEHR PREMIUM Advanced Formula Oil-Based Wood Stain. Varathane Diamond Spar Urethane Aerosol, Satin-Old Product. 2. Furthermore, it is a rock-forming mineral that can grow up to very large sizes. Satin Spar is a sub group of gypsum characterized by having prevalent vertical growth lines and having an opaque milky color. 2H2O (Hydrous calcium sulfate). The term satin spar has been used in the past to describe calcite and aragonite; however, it is currently accepted as one variety of the mineral gypsum, along with selenite and alabaster. Cleavage- One direction. 2H2O, meaning it's a hydrous calcium sulfate. Alabaster (gypsum— calcium sulfate), also a sedimentary rock, is a chemical accumulation. Specimen is approximately 4 inches (10 centimeters) across. Preparations: products which contain chemicals that can be easily separated during normal use. Chemical formula- CaSO4 2H2O Hydrous calcium sulfate. Chemical compound: calcium sulfate containing water Selenite is a clear gypsum gemstone that forms various floral-shaped crystals. In a polished state, selenite can display a moonstone effect - a light-blue moon-like glow . 2H₂O. Satin spar :-fibrous needle like with silky lustre. is that selenite is (science fiction) an inhabitant of the moon while mica is any of a group of hydrous aluminosilicate minerals characterized by highly perfect cleavage, so that they readily separate into very thin leaves, more or less elastic. 2H2O and metaphysical properties. What is Gypsum? One of its most recognizable abilities is its healing effect is on the human spine. 2. (inorganic chemistry) The anion SeO 32− derived from selenous acid; any salt or ester of selenous acid. 2H 2 O. Alabaster Scripture. 2H2O). Satin spar. Calcite belongs to the calcite group of minerals, a group of related carbonates that are isomorphous with one another. Named for the Greek goddess of the moon Selene and aligned with the energies of the moon and lunar cycles, selenite is best refreshed in the softness of moonlight. Left out in the rain it will melt away slowly, enriching soil. Albaster:-pure white ,fine grained and translucent. 2 [ [water, H 2 O). Gypsum is used for manufacture of wallboard, plaster of Paris, cement, and many other uses. It is widely mined and is used as a fertilizer and as the main constituent in many forms of plaster, . 12004-14-7. . Formula: CaCO3 A variety of Calcite The original name Satin Spar referred to a variety of Calcite. Satin spar is found as thin layers in beds of rock gypsum and certain types of shale. 1/2 H 2 O; Uses of Plaster of Paris: Plaster of Paris is a building material that is used as a protective coating on walls and ceilings of the building. Calcite is the one of the most common minerals. Satin spar - Satin Spar Selenite has a silky, chatoyant, fibrous appearance and shimmers like crystal. Satin Stone. Gypsum is a group of minerals that contains selenite, alabaster, & satin spar. Products in this Consumer Product Information Database (CPID) are classified based on their composition: Substances: single chemicals. Color - Colorless, white, occasional pale orange. Satin spar; Selenite is crystalline in nature and appears transparent or translucent. 2H 2 O. Alabaster Scripture. Special properties- Selenite is clear; satin spar is fibrous; cleavage often in one direction. Gypsum is an evaporite mineral most commonly found in layered sedimentary deposits in association with halite, anhydrite, sulfur, calcite, and dolomite. Satin Spar is the name given to the compact fibrous type that is aggregate of. Rock gypsum is common in Kansas. The Chemical Formula of Plaster of Paris is (CaSO 4).2H 2 O/(CaSO 4). . It is a natural salt mineral, that is to say, an evaporite mineral, and is mostly found along with halite, sulphur, dolomite, anhydrite, and calcite. Meaning of selenite. Desert rose - Desert rose has a sand-colored look is very distinct from the other types, mainly associated with the mid chakras. This durable polyurethane offers UV protection to prolong the life of your wood surface and create a smooth, lasting clear finish. Information and translations of selenite in the most comprehensive dictionary definitions resource on the web. EINECS 234-448-5. Gypsum is a soft sulfate mineral. Hardness-2. Selenite is a form of the mineral gypsum, also called Satin Spar. Same chemical formula but the molecules align differently. The fibrous large variety has a silky lustre and is known as satin spar Gypsum is a hydrous, soft sulfate mineral, specifically a calcium sulfate dihydrate, which means it has two molecules of water in its chemical composition. Gypsum (Satin Spar), give ½ point if specification is not made Chemical Formula: CaSO4 X 2H2O Hardness: 2 Streak: White Crystal System: Monoclinic You notice the earthy luster of this sample. Currently 'Satin Spar' is often used to refer to a variety of Gypsum (See Satin Spar Gypsum, so to avoid confusion the original Calcite variety material is listed on this website as Satin Spar Calcite. A mineral that resonates with the elements of air and water, satin spar is beneficial in the garden. It occurs in a great variety of shapes and colors, and it constitutes a major portion of many of the earth's rocks. Typical Appearance: Crystals tabul 3. Alabaster (gypsum— calcium sulfate), also a sedimentary rock, is a chemical accumulation. Laboratory Chemical Safety Summary (LCSS) Datasheet. It occurs as thick beds, or layers, of sedimentary rock and is mined in the Red Hills of south-central Kansas and in northeastern Kansas. 2H 2 O. Selenite contains no significant selenium - The similar names both derive from Greek selḗnē . List three ways that halite is different than calcite. Gypsum. The images below show a sample of Satin Spar and some crystal fibers viewed through a microscope at increasing magnifications. Alternative Names: Satin Spar Mineral Information. 2H 2 O. Alabaster grows into massive mineral beds. Psilomelane's chemical formula is (Ba1H2O) 2Mn5O10. They are similar in many physical properties, and may partially . We can use this material for making plaster of Paris, some cement, fertilizer . Synonyms of Satin Spar GypsumHide Feather Gypsum. Luster- Vitreous. Chemical Formula: . It's less stable/structured chemical lattice is kind of like camping Quartzite to a Quartz crystal. Satin Spar has more room for other impurities, even though it is still 99.5% the same chemical formula as Selenite Ice. Origin: Worldwide, notably Brazil and Morocco Mineral Species: Gypsum Mineral Group: Sulphates Chemical Formula: CaSO 4.2H 2 O Hardness: 2 Crystal System: Monoclinic Colour: Colourless to white. Chemsrc provides Calcium sulfate dihydrate(CAS#:10101-41-4) MSDS, density, melting point, boiling point, structure, formula, molecular weight etc. 2H 2 O. Different varieties of limestone and sandstone, which differ largely in quality and suitability for carving, are used for making the sculpture. Associated Minerals Based on Photo Data: . Molecular Formula: CaH 4 O 6 S: Molecular Weight: 172.171160 [g/mol] H-Bond Donor: 2: H-Bond Acceptor: 6 IUPAC Name: calcium sulfate dihydrate. Heating Gypsum to about 350 degrees removes the water that is remaining converts Gypsum to the mineral Anhydrite. It has a light colour or lightly tinted colour (due to impurities). The first one is a satin spar - silky, fibrous mineral, which is composed of tiny needle-like elongated crystal of gypsum and have a cat's eye optical effect. Selenite forms in large flat, transparent crystals that are often called "plates" or "windows". 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