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Dolomite [CaMg(CO 3) 2] forms in numerous geological settings, usually as a diagenetic replacement of limestone, and is an important component of petroleum reservoir rocks, rocks hosting base metal deposits and fresh water aquifers.Dolomite is a rhombohedral carbonate with a structure consisting of an ordered arrangement of …
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CaMg(CO3)2 : Composition: Molecular Weight = 184.40 gm Calcium 21.73 % Ca 30.41 % CaO ... CaMg(CO 3) 2: IMA Status: Valid Species (Pre-IMA) 1791 : Locality: Link to MinDat Location Data. Name Origin: Named after the French mineralogist and geologist, Deodat Guy Tancrede Gratet de Dolomieu (1750-1801). Name Pronunciation:
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Dolomite (CaMg(CO 3) 2) is another carbonate mineral, but dolomite is also the name for a rock composed of the mineral dolomite (although some geologists use the term dolostone to avoid confusion). Dolomite rock is …
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2-+ CaMg(CO 3)2(s) (2 x –8.48) + (+16.70) = -0.26 (3) The equilibrium constant for this reaction can also be calculated from the values of free energy of formation. From thermodynamic data tables (Stumm and Morgan, 1981) we obtain the following standard free energies of formation at 2 C.
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Dolomite. Dolomite is a calcium/magnesium carbonate mineral. It has a formula unit composition of CaMg (CO 3) 2. Dolomite has a trigonal crystal system with rhombohedral …
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The presence of both MgO and CaO in (CaMg)(CO 3) 2 results in an improvement in the stabilization of the cell structure of . 3. Adequate blowing gas resulting from (CaMg)(CO 3) 2, causes an improvement in the expansion behavior of . 4. The small radius of oxidizing gas released from CaMg(CO 3) 2 causes the fine and …
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ideally CaMg(CO 3) 2. The term is also used for a sedimentary carbonate rock +2composed mostly of the mineral dolomite. An alternative name sometimes used for the dolomitic rock type is dolostone ...
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Carbonate rocks are sedimentary rocks consisting of carbonate minerals. The most common carbonates in these rocks are the polymorphs of calcium carbonate CaCO 3, calcite and aragonite, and calcium magnesium carbonate CaMg(CO 3) 2, dolomite.A carbonate rock consisting of calcium carbonate is a limestone, whereas one consisting predominantly of …
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Synthesis of CaMg(CO3)2@Ag2CO3/Ag2S microspheresCaMg(CO 3) 2 microspheres and CaMg(CO 3) 2@Ag 2CO 3 microspheres were prepared by referencing to previous research (Zhang et al., 2013a, b; Tian et al., 2017a, b). Typically, 0.2 g of as-prepared CaMg(CO 3) 2@Ag 2CO 3 samples was im-mersed into 30 mL DI water. Then, 20 mL Na 2S·9H 2O
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Dolomite is a calcium/magnesium carbonate mineral. It has a formula unit composition of CaMg (CO 3) 2. Dolomite has a trigonal crystal system with rhombohedral habit. In ideal dolomite, calcium and magnesium are separated into completed separate planes, quite unlike magnesian calcites. Most dolomite samples contain only a few percent of ...
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In this study, we synthesized dolomite nanoparticles (CaMg(CO 3) 2 NPs) and evaluated potential applications as an effective source of both calcium and magnesium. …
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The findings of this study suggest that CaMg(CO 3) 2 NPs operate as a stimulant for plants and as an inhibitory agent for bacteria and cancer cells. Keywords: calcium absorption; …
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The objective of this study was to evaluate the effects of replacing magnesium oxide (MgO) with calcium-magnesium carbonate [CaMg(CO 3) 2] on ruminal fermentation with or without the addition of sodium bicarbonate (NaHCO 3).Eight fermentors of a dual-flow continuous-culture system were distributed in a replicated (2) 4 × 4 Latin square …
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The reactions in the CaMg(CO 3) 2 –SiO 2 –H 2 O system at low temperatures were investigated using fused silica tubes as reactors. Results showed that dolomite reacted …
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Limestones and dolomites are collectively referred to as carbonates because they consist predominantly of the carbonate minerals calcite (CaCO 3) and dolomite (CaMg[CO 3] 2).Almost all dolomites are believed to be produced by recrystallization of preexisting limestones, although the exact details of this dolomitization process continue to be …
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The structure of dolomite, CaMg(CO 3) 2, was determined from 298 to 1466 K at a constant pressure of about 3 GPa using in situ synchrotron X-ray diffraction data to investigate the state of disorder.An order parameter s, defined as 2 x Ca − 1, varies from s = 1 (where x Ca = 1) for a completely ordered dolomite to s = 0 (where x Ca = 0.5) for a …
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CaMg (CO 3) 2: 85 to : Basic slag: CaSiO 3: 50 to 70%: Hydrated lime: Ca (OH) 2: 134%: Burned lime: CaO: 178%: Industrial by-products: Variable . Variable . The fineness of the materials affects …
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d, e Band dispersions of CaMg 2 Bi 2 without and with SOC, respectively. The insets of a, c, d, e show the zoomed-in view of the fundamental band-gaps for the corresponding models.
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The thermal energy storage properties of dolomite, CaMg(CO3)2, from three sources (commercial, mined, and synthetic) are investigated as a potential solid–gas …
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Dolomite (CaMg(CO 3) 2) is a very cheap water insoluble sedimentary carbonate rock which consists of the Ca 2+ and Mg 2+ ions with double-layered carbonates [17], [18], [19]. …
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Molecules 2023, 28, 316 3 of 12 germination; in the CaMg(CO 3)2-NP-treated group, it is 2.6 cm.By taking the 1% quantity of the CaMg(CO 3)2 NPs into account, we can observe the advantageous effect ...
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Synthesis of materials Synthesis of CaMg(CO 3) 2 @Ag 2 CO 3 /Ag 2 S microspheres. CaMg(CO 3) 2 microspheres and CaMg(CO 3) 2 @Ag 2 CO 3 microspheres were prepared by referencing to previous research (Zhang et al., 2013a, b; Tian et al., 2017a, b).Typically, 0.2 g of as-prepared CaMg(CO 3) 2 @Ag 2 CO 3 samples was …
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but with a different crystal structure from calcite), dolomite (CaMg(CO 3) 2), and magnesite (MgCO 3) (Boynton, 1980). Limestone can be categorized as either high calcium or dolomitic. Pure high-calcium limestone is 100 percent calcium carbonate (100 percent calcite or aragonite). Generally, limestone of this purity does not occur naturally.
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Our objective was to evaluate the inclusion of calcium-magnesium carbonate [CaMg(CO 3) 2] and calcium-magnesium hydroxide [CaMg(OH) 4] in corn silage-based diets and their impact on ruminal microbiome.Our previous work showed a lower pH and molar proportion of butyrate from diets supplemented with [CaMg(CO 3) 2] compared to …
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A dietary roughage x CaMg(CO(3))(2) interaction (P = 0.01) occurred as steers consuming 13.5% roughage, 1.0% CaMg(CO(3))(2) had greater DMI per meal than those consuming 4.5% dietary roughage, no CaMg(CO(3))(2) and 9.0% dietary roughage, 1.0% CaMg(CO(3))(2). Steers consuming 13.5% dietary roughage, 1.0% CaMg(CO(3))(2) and …
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Also the formation of dolomite, CaMg(CO 3) 2 would further enhance the alternating morphology due to the structural arrangement of the Ca 2+ and Mg 2+ ions. These properties derived from basic copper carbonate and dolomite could explain the morphological changes from ACC, to vaterite and calcite in this complex mixture system …
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Dolomite is a carbonate of calcium and magnesium. It is a mineral of formula CaMg (CO 3) 2 with a rhombohedral system. It has a density of 2.8 g/cc and hardness of 4 on the Mohs scale. Dolomite has a vitreous lustre which is between transparent and translucent. It effervesces with hot concentratedh ydrochloric acid (HCl).
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The challenge to produce dolomite CaMg(CO 3) 2 at low temperature (20–35 °C) over laboratory time scales so far has remained unsuccessful, which has led to long-lasting scientific debates in the last two centuries. This mineral exerts a major control on the natural carbon dioxide sequestration into various sedimentary, basaltic, and mantellic rocks.
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