anhydrite
noun
an·hy·drite
(ˌ)an-ˈhī-ˌdrīt 
: a mineral consisting of an anhydrous calcium sulfate that is usually massive and white or slightly colored
Examples of anhydrite in a Sentence
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The mismatch of sulfur isotopes from that of anhydrite and the close match between the ice core sulfur isotopes and Zavaritskii ash put the nail in the coffin of the 1831 sulfur spike source.
—
Erik Klemetti, Discover Magazine, 23 Jan. 2025
The top of a growing black smoker consists of calcium sulfate, or anhydrite.
—Robert Kunzig, Discover Magazine, 11 Nov. 2019
Below 136 degrees Fahrenheit, gypsum is the more stable compound, and anhydrite will effortlessly dissolve in water, creating the building blocks for gypsum.
—Robin George Andrews, National Geographic, 22 Oct. 2019
Gypsum’s crystal makeup can accommodate a lot of water, producing plenty of volume using a relatively small mass of anhydrite.
—Robin George Andrews, National Geographic, 22 Oct. 2019
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Erik Klemetti, Discover Magazine, 23 Jan. 2025
The top of a growing black smoker consists of calcium sulfate, or anhydrite.
—Robert Kunzig, Discover Magazine, 11 Nov. 2019
Below 136 degrees Fahrenheit, gypsum is the more stable compound, and anhydrite will effortlessly dissolve in water, creating the building blocks for gypsum.
—Robin George Andrews, National Geographic, 22 Oct. 2019
Gypsum’s crystal makeup can accommodate a lot of water, producing plenty of volume using a relatively small mass of anhydrite.
—Robin George Andrews, National Geographic, 22 Oct. 2019
Cite this Entry
“Anhydrite.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/anhydrite. Accessed 5 Jul. 2025.
Copy CitationKids Definition
anhydrite
noun
an·hy·drite
(ˈ)an-ˈhī-ˌdrīt
: a mineral consisting of calcium sulfate free from water
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