| Home Page | Log In | Message Board | The Mindat Directory |
| Register | Search Pages | Mineral Chatroom | The Mindat Store |
|
|
|
| Formula: |
| |||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Colour: | Brownish yellow, yellow | |||||||||||||||||||||||
| Name: | After the locality at Koukourdei (Bir Salado) near Hangara, Egai (Eguéï Region), Chad. | |||||||||||||||||||||||
Classification of Eguëite | ||||||||||||||||||||||
| IMA status: | Not Approved | |||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| mindat.org URL: | http://www.mindat.org/min-32417.html Please feel free to link to this page. | |||||||||||||||||||||
Physical Properties of Eguëite | ||||||||||||||||||||||
| Lustre: | Vitreous | |||||||||||||||||||||
| Comment: | Lustre also slightly greasy | |||||||||||||||||||||
| Colour: | Brownish yellow, yellow | |||||||||||||||||||||
| Tenacity: | Fragile | |||||||||||||||||||||
| Density (measured): | 2.6 g/cm3 | |||||||||||||||||||||
Crystallography of Eguëite | ||||||||||||||||||||||
| Morphology: | Occurs as small nodules with a fibrous-lamellar structure and exhibiting small monoclinic (?) crystals in cavities. | |||||||||||||||||||||
Optical Data of Eguëite | ||||||||||||||||||||||
| Type: | Isotropic | |||||||||||||||||||||
Chemical Properties of Eguëite | ||||||||||||||||||||||
| Formula: |
| |||||||||||||||||||||
| Essential elements: | Ca, Fe, H, O, P | |||||||||||||||||||||
| All elements listed in formula: | Ca, Fe, H, O, P | |||||||||||||||||||||
Other Names for Eguëite | ||||||||||||||||||||||
| Synonyms: |
| |||||||||||||||||||||
| Other Languages: | ||||||||||||||||||||||
Other Information | ||||||||||||||||||||||
| Other Information: | Soluble in cold HCl. | |||||||||||||||||||||
| Health Warning: | No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care. | |||||||||||||||||||||
References for Eguëite | ||||||||||||||||||||||
| Reference List: - + | Garde (1909) Comptes rendus de l’Académie des sciences de Paris: 148: 1618. Lacroix, A. (1910) Minéralogie de la France et des ses colonies, Paris. 5 volumes: vol. 4: 536 (as Eguéïite). Palache, C., Berman, H., & Frondel, C. (1951), The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana, Yale University 1837-1892, Volume II. John Wiley and Sons, Inc., New York, 7th edition, revised and enlarged, 1124 pp.: 955. | |||||||||||||||||||||
Internet Links for Eguëite | ||||||||||||||||||||||
| Search Engines: |
| |||||||||||||||||||||
| Mineral Dealers: | ||||||||||||||||||||||
| Jobs: | ||||||||||||||||||||||
Localities for Eguëite | ||||||||||||||||||||||
|
The map shows a selection of localities that have latitude and longitude coordinates recorded. Click on the
 symbol to view information about a locality.
The symbol next to localities in the list
can be used to jump to that position on the map.
| ||||||||||||||||||||||
|
Mineral and Locality SearchOptions| Fade toolbar when not in focus | Fix toolbar to bottom of page | ||
|---|---|---|---|
| Hide Social Media Links | |||
| Slideshow frame delay | seconds | ||
