How to Use feldspar in a Sentence

feldspar

noun

• Later the region was mined for the feldspar in the granite ledges.
  — courant.com, 12 Aug. 2019
• One of those the-world-and-all-its-banks-are-mine skulls that looks like it’s made of feldspar and weighs a metric ton.
  — Virginia Heffernan, WIRED, 30 Mar. 2018
• Generations of Spruce Pine miners tossed the quartz aside in favor of the feldspar and mica.
  — Sam Farmer, Los Angeles Times, 11 Nov. 2020
• The vast majority of the glass was a pale green color, thanks to a composition of quartz and feldspar.
  — Marisa Sloan, Discover Magazine, 21 July 2021
• The sand reflects the rocky outcrops found inland and along the coast and is composed mostly of grains of quartz, feldspar, limestone and fragmented shells.
  — David Bressan, Forbes, 27 Apr. 2021
• But what intrigued the researchers was that biotite and feldspar don’t occur together.
  — Roger Lewin, Discover Magazine, 11 Nov. 2019
• Slate, along with sandstone, quartzite, soapstone and granite, is in the other big group, with stones composed mostly of silicates, such as quartz and feldspar.
  — Jeanne Huber, Washington Post, 26 May 2023
• The traps are bunkers, and what appears to patrons and television viewers to be the whitest sand in golf is technically not sand but waste from feldspar mines in North Carolina.
  — Nick Paumgarten, The New Yorker, 14 June 2019
• Oregon sunstone’s feldspar crystals are found in soil and prehistoric lava flows in Lake and Harney counties.
  — oregonlive, 2 Mar. 2023
• Rhyolitic lava is felsic; the name is derived from feldspar and silica, which are present in high concentrations.
  — Gemma Tarlach, Discover Magazine, 24 Nov. 2015
• Their research indicates that the DNA molecules can cling to minerals of feldspar and clay, which protect them from further damage.
  — Carl Zimmer, New York Times, 7 Dec. 2022
• Basalt is the most common rock on Earth, formed directly by crystallization of feldspar, pyroxen, olivine and quartz from a magma rich in iron and silica.
  — David Bressan, Forbes, 10 Mar. 2021
• Granite is a siliceous stone composed primarily of silicates, such as quartz, feldspar, and mica.
  — Caitlin Sole, Better Homes & Gardens, 4 Aug. 2022
• So instead, Rittenour used light—specifically the luminescence of bits of feldspar buried in the sediment.
  — Matt Simon, WIRED, 20 July 2023
• The researchers examined zircon, an incredibly resilient mineral, as well as feldspar and quartz from the rock sample, according to Mike Wall at Space.com.
  — Jay Bennett, Smithsonian, 28 Jan. 2019
• Bauxite is a complex mix of the minerals gibbsite, boehmite, and diaspore, formed as less stable minerals like feldspar and mica react with water.
  — David Bressan, Forbes, 31 Dec. 2022
• Some are safe as inclusions in other minerals like plagioclase feldspar.
  — Erik Klemetti, Discover Magazine, 6 Dec. 2013
• A new paper in Nature tries to quantify some of these questions by looking at the age and compositional data recorded in plagioclase feldspar crystals.
  — Erik Klemetti, WIRED, 17 Feb. 2014
• The rocky planets all share minerals like olivine, feldspar, pyroxene and magnetite, but only this blue-green world has abundant hornblende, biotite, muscovite … and all those clays — all minerals that require water in their structure.
  — Erik Klemetti, Discover Magazine, 5 Sep. 2019
• The most common lava rock found at Mount St. Helens is indeed Dacite, composed predominantly of plagioclase feldspar and quartz (pure silicon-dioxide).
  — David Bressan, Forbes, 18 May 2021
• Connecticut has 304 identified mineral deposits, the most commonly listed are feldspar, iron, and mica.
  — Courant Community, 1 May 2018
• If there are low-abundance elements in the mineral, like strontium, magnesium and titanium in plagioclase feldspar, then the amount of the element is controlled by the partitioning of the element between the liquid magma (melt) and the crystal.
  — Erik Klemetti, Discover Magazine, 2 Feb. 2012
• Changing chemical composition of the magma can betray the rapid crystallization of the mineral plagioclase feldspar.
  — Erik Klemetti, Discover Magazine, 14 Nov. 2018
• The exact composition of porcelain varies depending on its use and the manufacturer, although one common ingredient is kaolin, a soft white clay that is combined with other ingredients like bone ash, sand, magnesium, quartz, and feldspar.
  — Melissa Locker, Southern Living, 30 June 2021
• Where others attempted to scale up weathering reactions using rock types, Brantley’s team instead concentrated on the most abundant silicate mineral within those rocks: feldspar.
  — Howard Lee, Ars Technica, 13 Feb. 2023
• This occurs due to light fragmentation between microscopic layers of feldspar (aluminosilicate minerals with calcium, sodium or potassium) in the gem.
  — Olivia Munson, USA TODAY, 15 May 2023
• The other important minerals available in significant quantities are limestone, dolomite, manganese, mica, china clay, graphite, fire clay, coal bed methane, uranium, phosphorite, apatite, quartz, gold, feldspar and pyroxenite.
  — Gurvinder Singh, Quartz India, 4 Oct. 2019

Last Updated: 18 Aug 2024