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  • noun

Words related to calcite

a common mineral consisting of crystallized calcium carbonate

References in periodicals archive ?
One of the main characteristics of the sample is its CaO content due to the presence of calcite.
Each diagram comprises two equilibrium curves; the first curve corresponds to calcite and the second corresponds to the monohydrate form of calcium carbonate.
In typical intermolt cuticle of a shell with no lesions we see (1) a dense, variable-thickness birefringent crystalline calcite layer as the outermost layer of the exocuticle (Figs.
substituted by a variety of elements, this leads to the formation of many different calcite isotypes; Ca (calcite), Cd (otavite), Co,Zn (smithsonite), Fe (siderite), Mg (magnesite), Mn(rhodochrosite) etc.
Three commercial grades of calcite and aragonite crystalline polymorph PCC exhibiting rhombohedral, orthorhombic, and scalenohedral habits were used as pigments in various combinations with rhombohedral habit calcite GCC.
However, in a basic medium with a pH greater than 8, carbonic and calcite ions will form ordered sites on the calcium surface.
With the right type of light, calcite prisms can bend laser beams in different directions based on the crystal's orientation.
But they say by using calcite crystal they can make objects like pins and paper clips disappear from sight.
It is one of the very few structures in nature that self-sharpen," says Gilbert, explaining that the sea urchin tooth, which is always growing, is a biomineral mosaic composed of calcite crystals with two forms -- plates and fibers -- arranged crosswise and cemented together with super-hard calcite nanocement.
There is no evidence of recent calcite accumulation on this column; to the contrary, its outer surfaces are extensively pitted and locally exfoliating.
Limestone quarry estimated to hold over 14,450,000 tons of quality Calcite.
The results are compared with those of blend systems filled with calcium carbonate or calcite ([CaCO.
The vehicle is available in Carneol Red, Obsidian Black, Calcite White, Tenorite Grey, Iridium Silver and Cubanite Silver colours.
This phenomenon is called microbiologically induced calcite precipitation.