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Definition of Heavy spar
1. Noun. A white or colorless mineral (BaSO4); the main source of barium.
Terms within: Atomic Number 56, Ba, Barium
Generic synonyms: Mineral
Medical Definition of Heavy spar
1.
Lexicographical Neighbors of Heavy Spar
Literary usage of Heavy spar
Below you will find example usage of this term as found in modern and/or classical literature:
1. Edinburgh New Philosophical Journal, Exhibiting a View of the Progressive by Robert Jameson, Sir William Jardine, Henry D Rogers (1828)
"Calcareous heavy spar, or Curved Lamellar heavy spar, which, is by Breithaupt
... It decays more readily than common heavy spar, and in lustre and structure ..."
2. A System of Mineralogy: In which Minerals are Arranged According to the by ROBERT. JAMESON (1820)
"It is one of die most common subspecies of heavy-spar. ... Fresh Straight Lamellar
Heavy-Spar, Disintegrated Straight Lamellar Heavy- Spar, ..."
3. Elements of Chemical and Physical Geology by Gustav Bischof (1854)
"C.—Heavy-Spar. heavy spar has not yet been found as a mineralogically defined
... The aqueous origin of heavy-spar is likewise indicated by its being ..."
4. A System of Mineralogy: Comprising the Most Recent Discoveries: Including by James Dwight Dana (1854)
"heavy spar, quartz crystals ! specular iron, blende, galena, tremolite, chalcedony,
bog ore, satin spar, (assoc. with serpentine), iron and copper pyrites, ..."
5. Quantitative Chemical Analysis by C. Remigius Fresenius (1903)
"heavy spar is employed partly as an adulterant of white lead, etc., and partly
for the ... heavy spar must, therefore, frequently be examined analytically. ..."
6. Manual of Mineralogy: Including Observations on Mines, Rocks, Reduction of by James Dwight Dana (1877)
"MACOMB. — Blende, mica, galena (on land of James Averil), sphene MINERAL POINT,
Morristown. — Fluor, blende, galena, phlogopite (Pope's Mills,) heavy spar. ..."
7. The Mining Magazine (1854)
"... in contact with the porphyry, very often contains, in rugs or druses, the
crystals of iron and copper pyrites, galena, zinc blende, and heavy spar. ..."
8. A Treatise on Metallurgy: Comprising Mining, and General and Particular by Frederick Overman (1865)
"heavy spar.—Sulphate of barytes, when melted with carbonate of soda, forms a
fluid glass, which is absorbed by the coal with constant ebullition. ..."
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