• Thumbnail for Calcite
    Rhombohedral calcite Scalenohedral calcite Prismatic calcite Prismatic calcite Stalactitic calcite Hexagonal calcite Dodecahedral calcite Bipyramidal calcite Druse...
    45 KB (4,748 words) - 01:56, 28 April 2024
  • Thumbnail for Manganoan calcite
    Manganoan calcite or manganocalcite is a variety of calcite rich in manganese, which gives the mineral a pink color. Its chemical formula is (Ca,Mn)CO3...
    1 KB (123 words) - 22:28, 20 March 2023
  • Thumbnail for Alabaster
    of calcite. Chemically, gypsum is a hydrous sulfate of calcium, whereas calcite is a carbonate of calcium. As types of alabaster, gypsum and calcite have...
    31 KB (3,428 words) - 04:10, 26 April 2024
  • Thumbnail for Calcite sea
    A calcite sea is a sea in which low-magnesium calcite is the primary inorganic marine calcium carbonate precipitate. An aragonite sea is the alternate...
    9 KB (1,049 words) - 08:16, 1 February 2024
  • Iceland spar (redirect from Optical calcite)
    [ˈsɪlvʏrˌpɛrk], lit. 'silver-rock') and also called optical calcite, is a transparent variety of calcite, or crystallized calcium carbonate, originally brought...
    33 KB (3,555 words) - 10:27, 30 April 2024
  • Thumbnail for Limestone
    main source of the material lime. It is composed mostly of the minerals calcite and aragonite, which are different crystal forms of CaCO3. Limestone forms...
    72 KB (8,512 words) - 01:09, 2 May 2024
  • Apache Calcite is an open source framework for building databases and data management systems. It includes a SQL parser, an API for building expressions...
    3 KB (149 words) - 17:39, 1 May 2024
  • Thumbnail for Calcite, Colorado
    Calcite is an extinct town located in Fremont County, Colorado, United States. It served as a company coal mining town for Colorado Fuel & Iron. It is...
    7 KB (475 words) - 23:31, 21 February 2024
  • Thumbnail for Chalk
    sedimentary carbonate rock. It is a form of limestone composed of the mineral calcite and originally formed deep under the sea by the compression of microscopic...
    23 KB (2,564 words) - 12:59, 21 April 2024
  • Thumbnail for Calcium carbonate
    formula CaCO3. It is a common substance found in rocks as the minerals calcite and aragonite, most notably in chalk and limestone, eggshells, gastropod...
    78 KB (7,435 words) - 19:01, 31 March 2024
  • Thumbnail for Hard water
    from minerals within aquifers. Common calcium-containing minerals are calcite and gypsum. A common magnesium mineral is dolomite (which also contains...
    43 KB (4,516 words) - 07:29, 20 April 2024
  • Thumbnail for Aragonite
    occurring crystal forms of calcium carbonate (CaCO3), the others being calcite and vaterite. It is formed by biological and physical processes, including...
    20 KB (1,933 words) - 03:34, 22 April 2024
  • is below this depth. Calcite is the least soluble of these carbonates, so the CCD is normally the compensation depth for calcite. The aragonite compensation...
    11 KB (1,363 words) - 16:25, 7 December 2023
  • Thumbnail for Carbonate rock
    carbonate minerals. The two major types are limestone, which is composed of calcite or aragonite (different crystal forms of CaCO3), and dolomite rock (also...
    13 KB (1,440 words) - 03:44, 11 December 2023
  • Thumbnail for Mineral
    in living organisms. However, some minerals are often biogenic (such as calcite) or organic compounds in the sense of chemistry (such as mellite). Moreover...
    109 KB (13,010 words) - 21:48, 11 April 2024
  • Thumbnail for Calcite rafts
    Calcite crystals form on the surface of quiescent bodies of water, even when the bulk water is not supersaturated with respect to calcium carbonate. The...
    8 KB (1,062 words) - 04:57, 11 December 2020
  • Thumbnail for Speleothem
    speleothems are calcareous, composed of calcium carbonate (CaCO3) minerals (calcite or aragonite). Less commonly, speleothems are made of calcium sulfate (gypsum...
    15 KB (1,617 words) - 10:32, 14 April 2024
  • Thumbnail for Marble
    is a metamorphic rock consisting of carbonate minerals (most commonly calcite (CaCO3) or dolomite (CaMg(CO3)2)) that have recrystallized under the influence...
    32 KB (3,011 words) - 17:02, 19 April 2024
  • Thumbnail for Dichroscope
    instrument. There are two types of dichroscopes available: calcite and polarizing. Of the two, calcite gives better results and is widely used by experienced...
    2 KB (263 words) - 13:16, 23 July 2023
  • Thumbnail for Nicol prism
    Nicol prism is a type of polarizer. It is an optical device made from calcite crystal used to convert ordinary light into plane polarized light. It is...
    4 KB (460 words) - 23:05, 27 March 2024
  • Thumbnail for Michigan Limestone and Chemical Company
    world's largest limestone quarry (Michigan Limestone; a/k/a the "Calcite Quarry"; "Calcite Plant and Mill"; and "Carmeuse Lime and Stone"), which is located...
    41 KB (4,585 words) - 07:43, 7 November 2023
  • Thumbnail for Exoskeleton
    period, exoskeletons made of various materials – silica, calcium phosphate, calcite, aragonite, and even glued-together mineral flakes – sprang up in a range...
    18 KB (2,118 words) - 17:48, 24 April 2024
  • Thumbnail for Dolomite (rock)
    lime mud before lithification. The geological process of conversion of calcite to dolomite is known as dolomitization and any intermediate product is...
    27 KB (3,404 words) - 00:19, 4 January 2024
  • Thumbnail for Vaterite
    carbonate (μ-CaCO3). Vaterite belongs to the hexagonal crystal system, whereas calcite is trigonal and aragonite is orthorhombic. Vaterite, like aragonite, is...
    6 KB (374 words) - 03:09, 27 November 2023
  • Thumbnail for Lysocline
    dissolution of calcite increases dramatically because of a pressure effect. While the lysocline is the upper bound of this transition zone of calcite saturation...
    6 KB (682 words) - 12:45, 28 November 2023
  • Thumbnail for Test (biology)
    sea urchins is made of calcium carbonate, strengthened by a framework of calcite monocrystals, in a characteristic "stereomic" structure. These two ingredients...
    6 KB (656 words) - 13:28, 30 September 2023
  • Thumbnail for Oxygen isotope ratio cycle
    an atomic mass of 16 present in some substances, such as polar ice or calcite in ocean core samples, measured with the isotope fractionation. The ratio...
    10 KB (1,104 words) - 14:19, 15 July 2023
  • Thumbnail for Microbiologically induced calcite precipitation
    three polymorphic forms, which in the order of their usual stabilities are calcite, aragonite and vaterite. The main groups of microorganisms that can induce...
    35 KB (3,738 words) - 23:14, 5 April 2024
  • Thumbnail for Endoskeleton
    endoskeletons made of diffuse calcite/silica structural elements called spicules, and echinoderms have a dermal calcite endoskeleton known as ossicles...
    5 KB (569 words) - 03:06, 24 April 2024
  • Thumbnail for Particulate inorganic carbon
    carbon. Most PIC is calcium carbonate, CaCO3, particularly in the form of calcite, but also in the form of aragonite. Calcium carbonate makes up the shells...
    60 KB (6,029 words) - 21:10, 4 January 2024