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Aventurine feldsparAventurine A*ven"tu*rine, n. [F. aventurine: cf. It.
avventurino.]
1. A kind of glass, containing gold-colored spangles. It was
produced in the first place by the accidental (par
aventure) dropping of some brass filings into a pot of
melted glass.
2. (Min.) A variety of translucent quartz, spangled
throughout with scales of yellow mica.
Aventurine feldspar, a variety of oligoclase with internal
firelike reflections due to the presence of minute
crystals, probably of hematite; sunstone. Feldspar
Feldspar Feld"spar`, Feldspath Feld"spath`, n. [G.
feldspath; feld field + spath spar.] (Min.)
A name given to a group of minerals, closely related in
crystalline form, and all silicates of alumina with either
potash, soda, lime, or, in one case, baryta. They occur in
crystals and crystalline masses, vitreous in luster, and
breaking rather easily in two directions at right angles to
each other, or nearly so. The colors are usually white or
nearly white, flesh-red, bluish, or greenish.
Note: The group includes the monoclinic (orthoclastic)
species orthoclase or common potash feldspar, and the
rare hyalophane or baryta feldspar; also the triclinic
species (called in general plagioclase) microcline,
like orthoclase a potash feldspar; anorthite or lime
feldspar; albite or soda feldspar; also intermediate
between the last two species, labradorite, andesine,
oligoclase, containing both lime and soda in varying
amounts. The feldspars are essential constituents of
nearly all crystalline rocks, as granite, gneiss, mica,
slate, most kinds of basalt and trachyte, etc. The
decomposition of feldspar has yielded a large part of
the clay of the soil, also the mineral kaolin, an
essential material in the making of fine pottery.
Common feldspar is itself largely used for the same
purpose.
Feldspath
Feldspar Feld"spar`, Feldspath Feld"spath`, n. [G.
feldspath; feld field + spath spar.] (Min.)
A name given to a group of minerals, closely related in
crystalline form, and all silicates of alumina with either
potash, soda, lime, or, in one case, baryta. They occur in
crystals and crystalline masses, vitreous in luster, and
breaking rather easily in two directions at right angles to
each other, or nearly so. The colors are usually white or
nearly white, flesh-red, bluish, or greenish.
Note: The group includes the monoclinic (orthoclastic)
species orthoclase or common potash feldspar, and the
rare hyalophane or baryta feldspar; also the triclinic
species (called in general plagioclase) microcline,
like orthoclase a potash feldspar; anorthite or lime
feldspar; albite or soda feldspar; also intermediate
between the last two species, labradorite, andesine,
oligoclase, containing both lime and soda in varying
amounts. The feldspars are essential constituents of
nearly all crystalline rocks, as granite, gneiss, mica,
slate, most kinds of basalt and trachyte, etc. The
decomposition of feldspar has yielded a large part of
the clay of the soil, also the mineral kaolin, an
essential material in the making of fine pottery.
Common feldspar is itself largely used for the same
purpose.
Feldspathic
Feldspathic Feld*spath"ic, Feldspathose Feld*spath"ose, a.
Pertaining to, or consisting of, feldspar.
Feldspathose
Feldspathic Feld*spath"ic, Feldspathose Feld*spath"ose, a.
Pertaining to, or consisting of, feldspar.
glassy feldsparSanidine San"i*dine, n. [Gr. ?. ?, a board. So called in
allusion to the tabular crystals.] (Min.)
A variety of orthoclase feldspar common in certain eruptive
rocks, as trachyte; -- called also glassy feldspar. Glassy feldsparGlassy Glass"y, a.
1. Made of glass; vitreous; as, a glassy substance. --Bacon.
2. Resembling glass in its properties, as in smoothness,
brittleness, or transparency; as, a glassy stream; a
glassy surface; the glassy deep.
3. Dull; wanting life or fire; lackluster; -- said of the
eyes. ``In his glassy eye.' --Byron.
Glassy feldspar (Min.), a variety of orthoclase; sanidine. Labrador feldsparLabrador Lab`ra*dor", n.
A region of British America on the Atlantic coast, north of
Newfoundland.
Labrador duck (Zo["o]l.), a sea duck (Camtolaimus
Labradorius) allied to the eider ducks. It was formerly
common on the coast of New England, but is now supposed to
be extinct, no specimens having been reported since 1878.
Labrador feldspar. See Labradorite.
Labrador tea (Bot.), a name of two low, evergreen shrubs of
the genus Ledum (L. palustre and L. latifolium),
found in Northern Europe and America. They are used as tea
in British America, and in Scandinavia as a substitute for
hops.
Meaning of Felds from wikipedia
- by
Israel and
Irvin Feld A.
Spencer Feld (1891–1987), New York
politician Bernard T.
Feld (1919–1993),
American physicist Brad
Feld (born 1965), American...
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Stefan Feld (born 1970 in Karlsruhe, Germany) is a German-style
board game
designer who
lives in Gengenbach, Baden-Württemberg, Germany.
Feld is considered...
- the
Broadway musical. In 1981, Ken
Feld started the
Beyond Belief show at the New
Frontier Hotel and Casino. The
Felds bought the
company back in 1982 for...
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Eliot Feld (born July 5, 1942) is an
American modern ballet c****ographer, performer, teacher, and director.
Feld works in
contemporary ballet.[citation...
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Kenneth Jeffrey Feld (born
October 31, 1948) is the CEO of
Feld Entertainment,
which operates the
Ringling Bros. and
Barnum &
Bailey Circus,
Disney on...
- Lars
Peter Feld (born
August 9, 1966 in Saarbrücken) is a
German economist who
currently serves as
director of the
Walter Eucken Institut and as Professor...
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Fritz Feld (October 15, 1900 –
November 18, 1993) was a German-American film
character actor who
appeared in over 140
films in 72 years, both
silent and...
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Steven Feld (born
August 20, 1949) is an
American ethnomusicologist, anthropologist, and linguist, who
worked for many
years with the
Kaluli (Bosavi) people...
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felds-career-path-took-him-straight-to-the-circus/b8d9cc74-683a-4818-bf84-1936e8374120/ [bare URL] People: "'Lord of the Rings'
Irvin Feld Has Made...
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Tempelhofer Feld (English:
Tempelhof Field)
historically was an area in
Berlin used for
military practice, and as a
parade ground of the
Berlin garrison...
