stilbite
Americannoun
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a white-to-brown or red zeolite mineral, a hydrous silicate of calcium and aluminum, occurring in sheaflike aggregates of crystals and in radiated masses.
noun
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a white or yellow zeolite mineral consisting of hydrated calcium sodium aluminium silicate, often in the form of sheaves of monoclinic crystals. Formula: (Na 2 Ca)Al 2 Si 7 O 18 .7H 2 O
Etymology
Origin of stilbite
1805–15; < Greek stilb- (stem of stílbein to shine) + -ite 1
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
Volcanic ash, or bole, is frequently found separating the different lava-flows; and in the upper amygdaloidal sheets numerous secondary minerals are found, such as quartz, agate and jasper, stilbite and chlorite.
From Volcanoes: Past and Present by Hull, Edward
The crystals measure up to a yard across, and are rhombohedral or scalenohedral in habit; their faces are usually dull and corroded or coated with stilbite.
From Encyclopaedia Britannica, 11th Edition, Volume 4, Part 4 "Bulgaria" to "Calgary" by Various
Heulandite occurs with stilbite and other zeolites in the amygdaloidal cavities of basaltic volcanic rocks, and occasionally in gneiss and metalliferous veins.
From Encyclopaedia Britannica, 11th Edition, Volume 13, Slice 4 "Hero" to "Hindu Chronology" by Various
Heulandite is distinguished from stilbite by its crystals and perfect solubility; from apopholite by form of crystals.
From Scientific American Supplement, No. 344, August 5, 1882 by Various
A family of simple minerals, including stilbite, mesotype, analcime, and some others, usually found in the trap or volcanic rocks.
From Principles of Geology or, The Modern Changes of the Earth and its Inhabitants Considered as Illustrative of Geology by Lyell, Charles, Sir
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Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.