Classification of Waylandite |
| IMA status: | Approved 1962 |
|---|
| Strunz 8th edition ID: | 7/B.36-90
|
|---|
| Nickel-Strunz 10th (pending) edition ID: | 8.BL.10
8 : PHOSPHATES, ARSENATES, VANADATES B : Phosphates, etc., with additional anions, without H2O L : With medium-sized and large cations, (OH, etc.):RO4 = 3:1 |
|---|
| Dana 8th edition ID: | 41.5.12.1
41 : ANHYDROUS PHOSPHATES, ETC.CONTAINING HYDROXYL OR HALOGEN 5 : (AB)2(XO4)Zq |
|---|
| Hey's CIM Ref.: | 17.6.14
17 : Silicates Containing other Anions 6 : Silicates with phosphate |
|---|
| mindat.org URL: | http://www.mindat.org/min-4252.html Please feel free to link to this page. |
|---|
Type Occurrence of Waylandite |
| Type Locality: | Wampewo Hill, Busiiro Co. (Bushiro Co.), Wakiso District, Uganda |
|---|
| Year of Discovery: | 1962 |
|---|
Physical Properties of Waylandite |
| Lustre: | Waxy, Dull |
|---|
| Colour: | White |
|---|
| Hardness (Mohs): | 4 - 5 |
|---|
Crystallography of Waylandite |
| Crystal System: | Trigonal |
|---|
| Cell Parameters: | a = 6.97Å, c = 16.29Å
|
|---|
| Ratio: | a:c = 1 : 2.337 |
|---|
| Unit Cell Volume: | V 685.36 ų (Calculated from Unit Cell) |
|---|
Optical Data of Waylandite |
| Type: | Uniaxial (-) |
|---|
| RI values: | nω = 1.774 nε = 1.748 |
|---|
| Maximum Birefringence: | δ = 0.026
 Chart shows birefringence interference colour range (at 30µm thickness) and does not take into account mineral colouration. |
|---|
| Surface Relief: | High |
|---|
Chemical Properties of Waylandite |
| Formula: | |
|---|
| Essential elements: | Al, Bi, H, O, P |
|---|
| All elements listed in formula: | Al, Bi, Ca, H, O, P, Si |
|---|
Relationship of Waylandite to other Species |
| Related Minerals - Nickel-Strunz Grouping): | |
|---|
| Related Minerals - Hey's Index Grouping: | | 17.6.1 | Nagelschmidtite | | | 17.6.2 | Perhamite | | | 17.6.3 | Viséite | | | 17.6.4 | Phosinaite | | | 17.6.5 | Clinophosinaite | | | 17.6.6 | Karnasurtite-(Ce) | | (Ce,La,Th)(Ti,Nb)(Al,Fe)(Si,P) | | O | | (OH) | | ·3H | | O |
| | 17.6.7 | Lomonosovite | | | 17.6.8 | Bornemanite | | | 17.6.9 | Sobolevite | | Na | | Ca(NaCaMn)Ti | | (Si | | O | | ) | | (PO | | ) | | O | | F | | |
| | 17.6.10 | Laplandite-(Ce) | | | 17.6.11
| Vunonnemite | | | 17.6.12 | Saryarkite-(Y) | | Ca(Y,Th)Al | | (SiO | | ) | | (PO | | ,SO | | ) | | (OH) | | ·6H | | O |
| | 17.6.13 | Steenstrupine-(Ce) | | Na | | Mn | | (Fe | | ,Mn | | ) | | Ce | | (Zr,Th)[(OH) | | |HPO | | |(PO | | ) | | |(Si | | O | | ) | | ]·2H | | O |
| | 17.6.15 | Britholite-(Ce) | | Ca | | (Ce,Ca) | | [(OH,F)|(SiO | | ,PO | | ) | | ] |
| | 17.6.16 | Britholite-(Y) | | Ca | | (Y,Ca) | | [(OH,F)|(SiO | | ,PO | | ) | | ] |
| | 17.6.17 | Eylettersite | | (Th,Pb)Al | | [(OH) | | |(PO | | ,SiO | | ) | | ] ? |
|
|
|---|
Other Names for Waylandite |
| Synonyms: | |
|---|
| German names: | |
|---|
| Japanese 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 Waylandite |
| Reference List: | American Mineralogist (1963): 48: 216.
Clark, A. M., Couper, A. G., Embrey, P. G. and Fejer, E. E. (1986): Waylandite: new data, from an occurrence in Cornwall, with a note on ‘agnesite’. Mineralogical Magazine: 50: 731-733.
American Mineralogist (1988): 73: 199.
|
|---|
Internet Links for Waylandite |
| Search Engines: |
Look for Waylandite on Google
Look for Waylandite images on Google |
|---|
| External Links: | Look for Waylandite on WebmineralLook for Waylandite on Athena MineralogyLook for Waylandite on WikipediaLook for Waylandite on Mineralien AtlasRaman and XRD data at RRUFF projectAmerican Mineralogist Crystal Structure DatabaseSearch for Waylandite in the Natural History Museum (London) online catalogueWaylandite details from Handbook of Mineralogy (PDF) |
|---|
| Mineral Dealers: | Buy Fine Minerals from mineralsweb.comSearch for Waylandite on minvision.comThe Arkenstone - Fine MineralsSearch for Waylandite at Thames Valley MineralsMineral Classics - Worldwide Collector Quality Minerals and GemsWright's Rock Shop - excellent mineral specimens since 1970e-Rocks - Mineral Auctions and SalesTop quality minerals from Kristalle of Californiarare and unusual minerals mainly crystallizedBuy fine minerals and gemstones from Pala InternationalFine Minerals from Dan Weinrich MineralsRare and Unusual minerals at Mineralogical Research Company |
|---|
| 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 Waylandite |
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!
|