About 255,000 results
Open links in new tab
  1. Calcite - Wikipedia

    Calcite is a carbonate mineral and the most stable polymorph of calcium carbonate (CaCO 3). It is a very common mineral, particularly as a component of limestone. Calcite defines hardness 3 on the …

  2. Calcite Mineral | Uses and Properties - Geology.com

    Calcite is the principal constituent of limestone and marble. These rocks are extremely common and make up a significant portion of Earth's crust. They serve as one of the largest carbon repositories on …

  3. Calcite | Mineral, Rock & Crystal | Britannica

    Calcite, the most common form of natural calcium carbonate (CaCO3), a widely distributed mineral known for the beautiful development and great variety of its crystals.

  4. The 12 Different Types Of Calcite (With Photos) - Rock Chasing

    Mar 5, 2025 · Learn about the various types of calcite, their unique appearances, and where they can be found in this comprehensive guide.

  5. Calcite: Mineral information, data and localities.

    Calcite is best recognized by its relatively low Mohs hardness (3) and its high reactivity with even weak acids, such as vinegar, plus its prominent rhombohedral cleavage in most varieties.

  6. Calcite : Properties, Formation, Occurrence and Uses Areas

    Apr 25, 2018 · Calcite is the principal constituent of limestone and marble. These rocks are extremely common and make up a significant portion of Earth’s crust. The properties of calcite make it one of …

  7. Calcite: The mineral Calcite spar information and pictures

    Calcite is the one of the most common minerals. It occurs in a great variety of shapes and colors, and it constitutes a major portion of many of the earth's rocks. Calcite belongs to the calcite group of …

  8. Calcite (and Aragonite) | Common Minerals

    As a consequence, calcite is not only the main mineral of limestone rocks and marble (metamorphosed limestone), but also a common accessory component of sandstone and siltstone rocks. Calcite forms …

  9. Calcite - Smithsonian National Museum of Natural History

    Calcite is a very common carbonate mineral that is widespread and found in many forms and colors. It is typically colorless or white, however due to impurities it can occur in shades of red, yellow, orange, …

  10. Calcite: Properties, Crystal Forms & Geologic Significance

    Aug 1, 2012 · Calcite is one of the most common and widespread minerals. It is a principal component of most sedimentary carbonate rocks (limestone, chalk, travertine, etc.) but occurs in metamorphic …