Lexic.us

Definition of Heulandite

1. Noun. A group of minerals of the zeolite family consisting of a hydrous aluminum silicate of sodium and calcium.

Definition of Heulandite

1. n. A mineral of the Zeolite family, often occurring in amygdaloid, in foliated masses, and also in monoclinic crystals with pearly luster on the cleavage face. It is a hydrous silicate of alumina and lime.

Definition of Heulandite

1. Noun. (minerology) A common mineral of the zeolite group with monoclinic crystals, the most usual form being heulandite-Ca (Ca,Na)_2-3Al₃(Al,Si)₂Si₁₃O₃₆·12H₂O. ¹

¹ Source: wiktionary.com

Definition of Heulandite

1. [n -S]

Medical Definition of Heulandite

1. A mineral of the Zeolite family, often occurring in amygdaloid, in foliated masses, and also in monoclinic crystals with pearly luster on the cleavage face. It is a hydrous silicate of alumina and lime. Origin: After Heuland, an English mineralogist. Source: Websters Dictionary (01 Mar 1998)

Lexicographical Neighbors of Heulandite

Literary usage of Heulandite

Below you will find example usage of this term as found in modern and/or classical literature:

1. Mineralogy: An Introduction to the Scientific Study of Minerals by Henry Alexander Miers (1902)
"628, the cleavage B is perpendicular to the acute positivt bisectrix (2E = 50 about), and this affi<i • a ready means of distinguishing heulandite from ..."

2. Manual of Mineralogy and Lithology: Containing the Elements of the Science by James Dwight Dana (1886)
"It is distinguished from heulandite by its crystals. ... heulandite. Monoclinic. In right rhomboidal prisms like the figure, with perfect pearly cleavage ..."

3. A System of Mineralogy: Descriptive Mineralogy, Comprising the Most Recent by James Dwight Dana, George Jarvis Brush (1890)
"... St. Croix Cove, chabazite, heulandite. COLCHESTER Co.—Five Islands, East River, ... Long Point, live miles west of Black Rock, heulandite, laumontite ! ..."

4. Edinburgh New Philosophical Journal, Exhibiting a View of the Progressive by Robert Jameson, Sir William Jardine, Henry D Rogers (1844)
"... as stated in Silliman's Journal for April 1844, appears to be merely a variety of heulandite ; and in the same journal we are informed that the ..."

5. Descriptive Mineralogy by William Shirley Bayley (1917)
"Before the blowpipe heulandite whitens, exfoliates, crinkles and melts to a white ... heulandite is distinguished by its crystallization and its reactions ..."

6. The Edinburgh New Philosophical Journal (1844)
"... as stated in Silliman's Journal for April 1844, appears to be merely a variety of heulandite; and in the same journal we are informed that the ..."

7. A Text-book of Mineralogy: With an Extended Treatise on Crystallography and by Edward Salisbury Dana, James Dwight Dana (1877)
"... Swan's Creek, west side, near the Point, calcite, gypsum, heulandite, pyrite : east side, at Wasson's Bluff and vicinity, ..."

8. A Treatise on Mineralogy by Charles Upham Shepard (1857)
"heulandite, Brooke. Primary form, as above. Fig. 315. [H.=3 5... 4-0. G.=2 2. XIs. right obi. angled prs. of 130° 30' with obtuse and acute lateral angles ..."

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