Difference between revisions of "Diaspore"
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== Description == | == Description == | ||
| − | A hydrated aluminum oxide mineral. Diaspore occurs naturally with [ | + | 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 material|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]]] | ||
| − | == | + | ==Physical and Chemical Properties== |
| − | Prismatic orthorhombic crystals. | + | * Prismatic orthorhombic crystals. |
| + | * Brittle with conchoidal fracture. | ||
| + | * Luster = vitreous to pearly | ||
{| class="wikitable" | {| class="wikitable" | ||
| Line 18: | Line 20: | ||
! scope="row"| Composition | ! scope="row"| Composition | ||
| AlO(OH) | | AlO(OH) | ||
| − | |||
| − | |||
| − | |||
|- | |- | ||
! scope="row"| Mohs Hardness | ! scope="row"| Mohs Hardness | ||
| 6.5 - 7.0 | | 6.5 - 7.0 | ||
| + | |- | ||
| + | ! scope="row"| Density | ||
| + | | 3.3-3.5 g/ml | ||
|} | |} | ||
| − | == | + | ==Resources and Citations== |
| − | * | + | * Robert Fournier, ''Illustrated Dictionary of Practical Pottery'', Chilton Book Company, Radnor, PA, 1992 |
| − | * Wikipedia | + | * Wikipedia: 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 | * ''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 | ||
| + | |||
| + | |||
| + | |||
| + | [[Category:Materials database]] | ||
Latest revision as of 09:00, 21 July 2022
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.)
Physical and Chemical 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 g/ml |
Resources and Citations
- Robert Fournier, Illustrated Dictionary of Practical Pottery, Chilton Book Company, Radnor, PA, 1992
- Wikipedia: 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