Classification of Agrinierite |
| IMA status: | Approved 1971 |
|---|
| Strunz 8th edition ID: | 4/H.02-10
|
|---|
| Nickel-Strunz 10th (pending) edition ID: | 4.GB.05
4 : OXIDES (Hydroxides, V[5,6] vanadates, arsenites, antimonites, bismuthites, sulfites, selenites, tellurites, iodates) G : Uranyl Hydroxides B : With additional cations (K, Ca, Ba, Pb, etc.); with mainly UO2(O,OH)5 pentagonal polyhedra |
|---|
| Dana 8th edition ID: | 5.5.1.1
5 : OXIDES CONTAINING URANIUM OR THORIUM 5 : AX3O10·xH2O |
|---|
| Hey's CIM Ref.: | 7.16.13
7 : Oxides and Hydroxides 16 : Oxides of U |
|---|
| mindat.org URL: | http://www.mindat.org/min-58.html Please feel free to link to this page. |
|---|
Type Occurrence of Agrinierite |
| Type Locality: | Margnac Mine, Compreignac, Haute-Vienne, Limousin, France |
|---|
| Geological Setting of type material: | oxidation zone of a uranium deposit |
|---|
| Associated Minerals at type locality: | |
|---|
Physical Properties of Agrinierite |
| Diaphaneity (Transparency): | Transparent, Translucent |
|---|
| Colour: | Orange |
|---|
| Cleavage: | Distinct/Good on {001} |
|---|
| Density (measured): | 5.7 g/cm3 |
|---|
| Density (calculated): | 5.55 g/cm3 |
|---|
Crystallography of Agrinierite |
| Crystal System: | Orthorhombic |
|---|
| Cell Parameters: | a = 14.04Å, b = 24.07Å, c = 14.13Å
|
|---|
| Ratio: | a:b:c = 0.583 : 1 : 0.587 |
|---|
| Unit Cell Volume: | V 4,775.13 ų (Calculated from Unit Cell) |
|---|
| Z: | 16 |
|---|
| Morphology: | Crystals tabular on {001}, pseudohexagonal in section |
|---|
| Twinning: | Sector twins with composition plane {110} |
|---|
| X-Ray Powder Diffraction: | | d-spacing | | Intensity | | 2.023 | | (s) | | 3.128 | | (vvs) | | 3.153 | | (vs) | | 3.485 | | (vs) | | 3.516 | | (s) | | 6.05 | | (ms) |
|
|---|
| Comments: | Sample from the type locality |
|---|
Optical Data of Agrinierite |
| Type: | Biaxial (-) |
|---|
| Dispersion: | relatively weak |
|---|
Chemical Properties of Agrinierite |
| Formula: | |
|---|
| Essential elements: | H, K, O, U |
|---|
| All elements listed in formula: | Ca, H, K, O, Sr, U |
|---|
| Analyical Data: | Sample from Margnac Mine, France
Analytical results by electron microprobe, water by thermogravimetry (TGA)
Empirical formula based on three uranium and ten oxygen atoms per formula unit
UO3 (85.15)
CaO (2.20)
SrO (2.05)
K2O (3.35)
H2O (7.45)
sum 100.20 wt.-% |
|---|
| Empirical Formula: | |
|---|
Relationship of Agrinierite to other Species |
| Related Minerals - Nickel-Strunz Grouping): | |
|---|
| Related Minerals - Hey's Index Grouping: | | 7.16.1 | Uraninite | | | 7.16.2 | Schoepite | | | 7.16.3 | Paraschoepite | | | 7.16.4 | Metaschoepite | | | 7.16.5 | Metastudtite | | | 7.16.6 | Studtite | | | 7.16.7 | Ianthinite | | | 7.16.8 | Compreignacite | | | 7.16.9 | Vandenbrandeite | | | 7.16.10 | Roubaultite | | | 7.16.11 | Becquerelite | | | 7.16.12 | Rameauite | | | 7.16.14 | Protasite | | | 7.16.15 | Billietite | | | 7.16.16 | Bauranoite | | | 7.16.17 | Metacalciouranoite | | | 7.16.18 | Calciouranoite | | | 7.16.19 | Orthobrannerite | | | 7.16.20 | Thorutite | | | 7.16.21 | Davidite-(La) | | (La,Ce)(Y,U,Fe)(Ti,Fe) | | (O,OH) | | |
| | 7.16.22 | Davidite-(Ce) | | (Ce,La)(Y,U,Fe)(Ti,Fe) | | (O,OH) | | |
| | 7.16.23 | Brannerite | | | 7.16.24 | Fourmarierite | | | 7.16.25 | Richetite | | | 7.16.26 | Curite | | | 7.16.27 | Masuyite | | | 7.16.28 | Vandendriesscheite | | | 7.16.29 | Metavandendriesscheite | | | 7.16.30 | Sayrite | | | 7.16.31 | Wölsendorfite | | | 7.16.32 | Clarkeite | | | 7.16.33 | Uranosphaerite | |
|
|---|
Other Names for Agrinierite |
| Synonyms: | |
|---|
| German names: | |
|---|
| Russian names: | |
|---|
| Spanish names: | |
|---|
Other Information |
| 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 Agrinierite |
| Reference List: | Cesbron, F., Brown, W. L., Bariand, P. and Geffroy, J. (1972): Rameauite and Agrinierite, two new hydrated complex uranyl oxides from Margnac, France. Mineralogical Magazine 38, 781-789. - American Mineralogist (1973) 58, 805 (abstract).
Cahill, C. L. and Burns, P. C. (2000): The structure of agrinierite, a Sr containing uranyl oxide hydrate mineral. American Mineralogist 85, 1294-1297.
Anthony, J. W., Bideaux, R. A., Bladh, K. W. and Nichols, M. C. (1997): Handbook of Mineralogy, Volume 3: Halides, Hydroxides, Oxides. Mineral Data Publishing (Tucson, AZ), 6.
Burns, P. C. (2005): U6+ minerals and inorganic compounds: insights into an expanded structural hierarchy of crystal structures. Canadian Mineralogist 43, 1839-1894. |
|---|
Internet Links for Agrinierite |
| Search Engines: |
Look for Agrinierite on Google
Look for Agrinierite images on Google |
|---|
| External Links: | Look for Agrinierite on WebmineralLook for Agrinierite on Athena MineralogyLook for Agrinierite on WikipediaLook for Agrinierite on Mineralien AtlasRaman and XRD data at RRUFF projectAmerican Mineralogist Crystal Structure DatabaseSearch for Agrinierite in the Natural History Museum (London) online catalogueAgrinierite details from Handbook of Mineralogy (PDF) |
|---|
| Mineral Dealers: | e-Rocks - Mineral Auctions and SalesWilensky Fine MineralsWright's Rock Shop - excellent mineral specimens since 1970High-end worldwide specimens & outstanding customer serviceMineral Classics - Worldwide Collector Quality Minerals and GemsSearch for Agrinierite on minvision.comSearch for Agrinierite at Thames Valley MineralsTop quality minerals from Kristalle of CaliforniaFine Minerals from Dan Weinrich MineralsBuy Fine Minerals from mineralsweb.comBuy Minerals and Crystals from Crystalarium.comBuy fine minerals and gemstones from Pala International |
|---|
| Jobs: | Mining & Geology Jobs |
|---|
Page Sponsor |
| Sponsorship: | This page is currently not sponsored. Click here to find out how you can sponsor this page. |
|---|
Localities for Agrinierite |
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. These maps work faster with Firefox!
|