Difference between revisions of "Sphalerite"
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blackjack; black-jack; blende; zinc blende; mock lead; false galena; Zinkblende (Deut.); Sphalerit (Deut., Ned); esfalerita (Esp.); esfalerite (Port.); staleryt (Pol.); sfaleriet (Ned.) | blackjack; black-jack; blende; zinc blende; mock lead; false galena; Zinkblende (Deut.); Sphalerit (Deut., Ned); esfalerita (Esp.); esfalerite (Port.); staleryt (Pol.); sfaleriet (Ned.) | ||
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[[[SliderGallery rightalign|Sphaleriteitaly5.jpg~Raman]]] | [[[SliderGallery rightalign|Sphaleriteitaly5.jpg~Raman]]] | ||
| − | == | + | ==Resources and Citations== |
| − | Soluble in hydrochloric acid. Crystal system = isometric Cleavage is perfect in six directions to from dodecahedron. | + | * Soluble in hydrochloric acid. |
| − | + | * Crystal system = isometric | |
| − | Fracture = conchoidal. Streak is yellow or light brown. Luster = adamantine Some specimens are highly fluorescent. | + | * Cleavage is perfect in six directions to from dodecahedron. |
| + | * Fracture = conchoidal. | ||
| + | * Streak is yellow or light brown. | ||
| + | * Luster = adamantine | ||
| + | * Some specimens are highly fluorescent. | ||
{| class="wikitable" | {| class="wikitable" | ||
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|- | |- | ||
! scope="row"| Density | ! scope="row"| Density | ||
| − | | 3.9-4.1 | + | | 3.9-4.1 g/ml |
|} | |} | ||
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== Additional Images == | == Additional Images == | ||
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</gallery> | </gallery> | ||
| − | + | ==Resources and Citations== | |
| − | == | + | * Mineralogy Database: [http://www.webmineral.com/data/Sphalerite.shtml Sphalerite] |
* R.F.Symmes, T.T.Harding, Paul Taylor, ''Rocks, Fossils and Gems'', DK Publishing, Inc., New York City, 1997 | * R.F.Symmes, T.T.Harding, Paul Taylor, ''Rocks, Fossils and Gems'', DK Publishing, Inc., New York City, 1997 | ||
| − | * ''Encyclopedia Britannica'', http://www.britannica.com Comment: "sphalerite" | + | * ''Encyclopedia Britannica'', http://www.britannica.com Comment: "sphalerite" [Accessed December 4, 2001]. |
* C.W.Chesterman, K.E.Lowe, ''Audubon Society Field Guide to North American Rocks and Minerals'', Alfred A. Knopf, New York, 1979 | * C.W.Chesterman, K.E.Lowe, ''Audubon Society Field Guide to North American Rocks and Minerals'', Alfred A. Knopf, New York, 1979 | ||
| − | * Wikipedia | + | * Wikipedia: http://en.wikipedia.org/wiki/Sphalerite (Accessed Sept. 17, 2005) |
* Richard S. Lewis, ''Hawley's Condensed Chemical Dictionary'', Van Nostrand Reinhold, New York, 10th ed., 1993 | * Richard S. Lewis, ''Hawley's Condensed Chemical Dictionary'', Van Nostrand Reinhold, New York, 10th ed., 1993 | ||
Revision as of 15:04, 2 June 2022
Description
An important zinc ore commonly called zinc blende. Sphalerite is composed of Zinc sulfide. The ore may contain massive transparent, yellow, green, red or brown zinc sulfide crystals with a resinous luster. Gem-quality sphalerite crystals are mined in Mexico (Sonora), and Spain (Santander). The ore is mined in Poland, Belgium, North Africa and the U.S. (Mississippi River valley).
Synonyms and Related Terms
blackjack; black-jack; blende; zinc blende; mock lead; false galena; Zinkblende (Deut.); Sphalerit (Deut., Ned); esfalerita (Esp.); esfalerite (Port.); staleryt (Pol.); sfaleriet (Ned.)
Resources and Citations
- Soluble in hydrochloric acid.
- Crystal system = isometric
- Cleavage is perfect in six directions to from dodecahedron.
- Fracture = conchoidal.
- Streak is yellow or light brown.
- Luster = adamantine
- Some specimens are highly fluorescent.
| Composition | ZnS |
|---|---|
| Mohs Hardness | 3.5 - 4.0 |
| Density | 3.9-4.1 g/ml |
Additional Images
Sphalerite
Sphalerite
Resources and Citations
- Mineralogy Database: Sphalerite
- R.F.Symmes, T.T.Harding, Paul Taylor, Rocks, Fossils and Gems, DK Publishing, Inc., New York City, 1997
- Encyclopedia Britannica, http://www.britannica.com Comment: "sphalerite" [Accessed December 4, 2001].
- C.W.Chesterman, K.E.Lowe, Audubon Society Field Guide to North American Rocks and Minerals, Alfred A. Knopf, New York, 1979
- Wikipedia: http://en.wikipedia.org/wiki/Sphalerite (Accessed Sept. 17, 2005)
- Richard S. Lewis, Hawley's Condensed Chemical Dictionary, Van Nostrand Reinhold, New York, 10th ed., 1993
- Random House, Webster's Encyclopedic Unabridged Dictionary of the English Language, Grammercy Book, New York, 1997
- The American Heritage Dictionary or Encarta, via Microsoft Bookshelf 98, Microsoft Corp., 1998