Difference between revisions of "Diaspore"
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== Description == | == Description == | ||
| − | A hydrated aluminum oxide mineral. Diaspore occurs naturally with [http://cameo.mfa.org/materials/fullrecord.asp?name=bauxite bauxite], [http://cameo.mfa.org/materials/fullrecord.asp?name=corundum corundum], and [http://cameo.mfa.org/materials/fullrecord.asp?name=emery emery]. It is a white or pale colored mineral ranging from transparent to translucent. Diaspore has been found in Hungary, Greece, Asia Minor, the Ural Mountains and the United States (Massachusetts). It is used as an [http://cameo.mfa.org/materials/fullrecord.asp?name=abrasive abrasive] and a [http://cameo.mfa.org/materials/fullrecord.asp?name=refractory | + | A hydrated aluminum oxide mineral. Diaspore occurs naturally with [http://cameo.mfa.org/materials/fullrecord.asp?name=bauxite bauxite], [http://cameo.mfa.org/materials/fullrecord.asp?name=corundum corundum], and [http://cameo.mfa.org/materials/fullrecord.asp?name=emery emery]. It is a white or pale colored mineral ranging from transparent to translucent. Diaspore has been found in Hungary, Greece, Asia Minor, the Ural Mountains and the United States (Massachusetts). It is used as an [http://cameo.mfa.org/materials/fullrecord.asp?name=abrasive abrasive] and a [http://cameo.mfa.org/materials/fullrecord.asp?name=refractory%20material refractory clay]. |
== Synonyms and Related Terms == | == Synonyms and Related Terms == | ||
| − | aluminum hydroxide; | + | aluminum hydroxide; diásporo (Esp.); Diaspor (Deut.); diaspoor (Ned.) |
[[[SliderGallery rightalign|diasporeRS.jpg~Raman]]] | [[[SliderGallery rightalign|diasporeRS.jpg~Raman]]] | ||
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== Authority == | == Authority == | ||
| − | * | + | * Robert Fournier, ''Illustrated Dictionary of Practical Pottery'', Chilton Book Company, Radnor, PA, 1992 |
* Wikipedia, the free encyclopedia, at http://www.wikipedia.com Comment: http://en.wikipedia.org/wiki/Diaspore (Accessed Sept. 7, 2005) | * Wikipedia, the free encyclopedia, at http://www.wikipedia.com Comment: http://en.wikipedia.org/wiki/Diaspore (Accessed Sept. 7, 2005) | ||
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* ''Van Nostrand's Scientific Encyclopedia'', Douglas M. Considine (ed.), Van Nostrand Reinhold, New York, 1976 | * ''Van Nostrand's Scientific Encyclopedia'', Douglas M. Considine (ed.), Van Nostrand Reinhold, New York, 1976 | ||
| − | * | + | * 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 | * ''The American Heritage Dictionary'' or ''Encarta'', via Microsoft Bookshelf 98, Microsoft Corp., 1998 | ||
Revision as of 06:40, 24 July 2013
Description
A hydrated aluminum oxide mineral. Diaspore occurs naturally with bauxite, corundum, and emery. It is a white or pale colored mineral ranging from transparent to translucent. Diaspore has been found in Hungary, Greece, Asia Minor, the Ural Mountains and the United States (Massachusetts). It is used as an abrasive and a refractory clay.
Synonyms and Related Terms
aluminum hydroxide; diásporo (Esp.); Diaspor (Deut.); diaspoor (Ned.)
Other Properties
Prismatic orthorhombic crystals. brittle with conchoidal fracture. Luster = vitreous to pearly
| Composition | AlO(OH) |
|---|---|
| Mohs Hardness | 6.5 - 7.0 |
| Density | 3.3-3.5 |
Authority
- Robert Fournier, Illustrated Dictionary of Practical Pottery, Chilton Book Company, Radnor, PA, 1992
- Wikipedia, the free encyclopedia, at http://www.wikipedia.com Comment: http://en.wikipedia.org/wiki/Diaspore (Accessed Sept. 7, 2005)
- Van Nostrand's Scientific Encyclopedia, Douglas M. Considine (ed.), Van Nostrand Reinhold, New York, 1976
- 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