IMPORTANT MESSAGE. We need your support now to keep mindat.org running. Click here to find out why.
Log InRegister
Home PageAbout MindatThe Mindat ManualHistory of MindatCopyright StatusWho We AreContact UsAdvertise on Mindat
Donate to MindatCorporate SponsorshipSponsor a PageSponsored PagesMindat AdvertisersAdvertise on Mindat
Learning CenterWhat is a mineral?The most common minerals on earthInformation for Educators
Minerals by PropertiesMinerals by ChemistryAdvanced Locality SearchRandom MineralRandom LocalitySearch by minIDLocalities Near MeSearch ArticlesSearch GlossaryMore Search Options
Search For:
Mineral Name:
Locality Name:
Keyword(s):
 
The Mindat ManualAdd a New PhotoRate PhotosLocality Edit ReportCoordinate Completion ReportAdd Glossary Item
StatisticsThe ElementsUsersBooks & MagazinesMineral MuseumsMineral Shows & EventsThe Mindat DirectoryDevice Settings
Photo SearchPhoto GalleriesNew Photos TodayNew Photos YesterdayMembers' Photo GalleriesPast Photo of the Day Gallery

Sasaite

This page is currently not sponsored. Click here to sponsor this page.
Hide all sections | Show all sections

About SasaiteHide

Formula:
(Al,Fe3+)14(PO4)11(SO4)(OH)7 · 83H2O
Colour:
Colourless to white
Crystal System:
Orthorhombic
Name:
From SASA, the acronym for the South African Speleological Association.
Water content varies with humidity.


Classification of SasaiteHide

Approved
Approval Year:
1977
8.DB.55

8 : PHOSPHATES, ARSENATES, VANADATES
D : Phosphates, etc. with additional anions, with H2O
B : With only medium-sized cations, (OH, etc.):RO4< 1:1
43.5.4.1

43 : COMPOUND PHOSPHATES, ETC.
5 : Hydrated Compound Phosphates, etc·, Containing Hydroxyl or Halogen
22.3.21

22 : Phosphates, Arsenates or Vanadates with other Anions
3 : Phosphates, arsenates or vanadates with sulphates

Physical Properties of SasaiteHide

Colour:
Colourless to white

Optical Data of SasaiteHide

Type:
Biaxial (-)
RI values:
nα = 1.465 nβ = 1.473 nγ = 1.477
2V:
Measured: 15° , Calculated: 70°
Max Birefringence:
δ = 0.012
Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.
Surface Relief:
Moderate
Dispersion:
r > v strong

Chemical Properties of SasaiteHide

Formula:
(Al,Fe3+)14(PO4)11(SO4)(OH)7 · 83H2O
IMA Formula:
Al6(PO4)5(OH)3 · 36H2O

Crystallography of SasaiteHide

Crystal System:
Orthorhombic
Cell Parameters:
a = 21.5 Å, b = 30.04 Å, c = 92.06 Å
Ratio:
a:b:c = 0.716 : 1 : 3.065
Unit Cell V:
59,457.87 ų (Calculated from Unit Cell)
Comment:
Originally given cell: a = 10.75, b = 15.02, c = 46.03 A, with Z=6.

X-Ray Powder DiffractionHide

Powder Diffraction Data:
d-spacingIntensity
11.52 (100)
7.51 (22)
6.99 (23)
6.30 (21)
4.214 (18)
3.262 (18)
2.901 (42)
Comments:
Fully hydrated material.

Type Occurrence of SasaiteHide

Synonyms of SasaiteHide

Other Language Names for SasaiteHide

German:Sasait
Simplified Chinese:多水硫磷铝石
Spanish:Sasaita

Related Minerals - Nickel-Strunz GroupingHide

8.DB.05DiadochiteFe3+2(PO4)(SO4)(OH) · 5H2OAmor.
8.DB.05Pitticite(Fe, SO4, AsO4, H2O) ?Amor.
8.DB.05DestineziteFe3+2(PO4)(SO4)(OH) · 6H2OTric. 1 : P1
8.DB.10VashegyiteAl11(PO4)9(OH)6 · 38H2OOrth. mmm (2/m 2/m 2/m)
8.DB.15SchooneriteZnMn2+Fe2+2Fe3+(PO4)3(OH)2 · 9H2OOrth. mmm (2/m 2/m 2/m) : Pbam
8.DB.20SinkankasiteMn2+Al(PO3OH)2(OH) · 6H2OTric.
8.DB.25MitryaevaiteAl6(PO4)((P,S)O3(OH,O))2F2(OH)2 · 14.5H2OTric.
8.DB.30SanjuaniteAl2(PO4)(SO4)(OH) · 9H2O
8.DB.35SarmientiteFe3+2(AsO4)(SO4)(OH) · 5H2OMon. 2/m : P21/b
8.DB.40BukovskýiteFe3+2(AsO4)(SO4)(OH) · 9H2OTric. 1 : P1
8.DB.45ZýkaiteFe3+4(AsO4)3(SO4)(OH) · 15H2OOrth.
8.DB.50GiniiteFe2+Fe3+4(PO4)3(OH)5 · 2H2OMon. 2/m : P2/b
8.DB.60McauslaniteFe3Al2(PO4)3(PO3OH)F · 18H2OTric.
8.DB.65GoldquarryiteCuCd2Al3(PO4)4F2(H2O,F)2 · 10H2OTric. 1 : P1
8.DB.70BirchiteCd2Cu2(PO4)2(SO4) · 5H2OOrth. mmm (2/m 2/m 2/m) : Pnma
8.DB.75BraithwaiteiteNaCu5(Ti4+Sb5+)(AsO4)4(HAsO4)2O2 · 8H2OTric. 1 : P1

Related Minerals - Hey's Chemical Index of Minerals GroupingHide

22.3.1ParnauiteCu9(AsO4)2(SO4)(OH)10 · 7H2OOrth. mm2 : Pmn21
22.3.2ArdealiteCa2(HPO4)(SO4) · 4H2OMon. m : Bb
22.3.3Machatschkiite(Ca,Na)6(AsO4)(HAsO4)3(PO4,SO4) · 15H2OHex.
22.3.4ClinotyroliteCa2Cu9(AsO4,SO4)4(OH,O)10 · 10H2OMon.
22.3.5PeisleyiteNa2Al9[(P,S)O4]8(OH)6•28H2OTric. 1 : P1
22.3.6ChalcophylliteCu18Al2(AsO4)4(SO4)3(OH)24 · 36H2OTrig. 3 : R3
22.3.7WoodhouseiteCaAl3(PO4)(SO4)(OH)6Trig. 3m (3 2/m) : R3m
22.3.8Schlossmacherite(H3O)Al3(SO4)2(OH)6Trig.
22.3.9SvanbergiteSrAl3(PO4)(SO4)(OH)6Trig. 3m (3 2/m) : R3m
22.3.10KemmlitziteSrAl3(AsO4)(SO4)(OH)6Trig.
22.3.11SanjuaniteAl2(PO4)(SO4)(OH) · 9H2O
22.3.12KribergiteAl5(PO4)3(SO4)(OH)4 · 4H2OTric. 1 : P1
22.3.13HotsoniteAl11(SO4)3(PO4)2(OH)21 · 16H2OTric.
22.3.14WeileriteBaAl3(AsO4)(SO4)(OH)6
22.3.15TsumebitePb2Cu(PO4)(SO4)(OH)Mon. 2/m : P21/m
22.3.16ArsentsumebitePb2Cu(AsO4)(SO4)(OH)Mon. 2/m : P21/m
22.3.17HinsdalitePbAl3(PO4)(SO4)(OH)6Trig. 3m (3 2/m) : R3m
22.3.18HidalgoitePbAl3(AsO4)(SO4)(OH)6Trig.
22.3.19OrpheitePbAl3(PO4)(SO4)(OH)6Trig.
22.3.20CoconinoiteFe3+2Al2(UO2)2(PO4)4(SO4)(OH)2 · 20H2OMon.
22.3.22Tristramite(Ca,U,Fe)(PO4,SO4) · 2H2OHex.
22.3.23CorkitePbFe3(PO4)(SO4)(OH)6Trig. 3m (3 2/m) : R3m
22.3.24BeudantitePbFe3(AsO4)(SO4)(OH)6Trig. 3m (3 2/m) : R3m
22.3.25DiadochiteFe3+2(PO4)(SO4)(OH) · 5H2OAmor.
22.3.26SarmientiteFe3+2(AsO4)(SO4)(OH) · 5H2OMon. 2/m : P21/b
22.3.27BukovskýiteFe3+2(AsO4)(SO4)(OH) · 9H2OTric. 1 : P1
22.3.28ZýkaiteFe3+4(AsO4)3(SO4)(OH) · 15H2OOrth.
22.3.29TooeleiteFe3+6(As3+O3)4(SO4)(OH)4 · 4H2OMon. 2/m : B2/m
22.3.30Pitticite(Fe, SO4, AsO4, H2O) ?Amor.
22.3.31Xiangjiangite(Fe3+,Al)(UO2)4(PO4)2(SO4)2(OH) · 22H2OTet.

Other InformationHide

Health Risks:
No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.

References for SasaiteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Martini, J. (1978): Sasaite, a new phosphate mineral from West Driefontein Cave, Transvaal, South Africa. Mineral. Mag., 42, 401–404. [Abs. in American Mineralogist (1979): 64: 464-465.]
Canadian Mineralogist (1983): 21: 497.

Internet Links for SasaiteHide

Localities for SasaiteHide

This 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.

Locality ListHide

- This locality has map coordinates listed. - This locality has estimated coordinates. ⓘ - Click for further information on this occurrence. ? - Indicates mineral may be doubtful at this locality. - Good crystals or important locality for species. - World class for species or very significant. (TL) - Type Locality for a valid mineral species. (FRL) - First Recorded Locality for everything else (eg varieties). Struck out - Mineral was erroneously reported from this locality. Faded * - Never found at this locality but inferred to have existed at some point in the past (eg from pseudomorphs.)

All localities listed without proper references should be considered as questionable.
Australia
 
  • Victoria
    • Corangamite Shire
      • Skipton
        • Mt. Widderin (Anderson's Hill)
Birch, W.D. & D.A. Henry, eds. (1993): Phosphate Minerals of Victoria. The Mineralogical Society of Victoria - Special publication No.3 (192p): 123-144.
    • Rural City of Wangaratta
      • Whitfield
W. D. Birch and D. A. Henry in Phosphate Minerals of Victoria, p.83-90.
Austria
 
  • Styria
    • Fischbacher Alpen
      • St. Jakob-Breitenau
        • Hochlantsch
Landesmuseum Joanneum (Graz, Styria) collection; Postl, W. (1990)
Canada
 
  • Yukon
    • Dawson mining district
MinRec 23:4-47
[MinRec Vol 23:Yukon 38]
China
 
  • Guizhou Province
    • Zunyi Prefecture
      • Zunyi Co.
        • Zunyi Ni-Mo-PGE-Au ore field
Taiyi Luo, Xiaobiao Li, Linbo Yao, and Dan Zhu (2003): Acta Mineralogica Sinica 23(3), 205-210
Germany
 
  • Thuringia
    • Saalfeld
      • Garnsdorf
RÜGER, F.; SENF, L. & WITZKE, T. (1995): Die Saalfelder Feengrotten: Seltene Sekundärmineralien aus Thüringen.- Lapis 20(1), 15-26
South Africa
 
  • Gauteng Province
    • Witwatersrand field
      • West Rand District (West Rand)
        • Far West Rand (West Wits Line)
          • Oberholzer
Cairncross, B. and Dixon, R., (1995) Minerals of South Africa. The Geological Society of South Africa, pg 240;
Minerals of South Africa
          • Western Sector
            • Carletonville
Mineralogical Magazine(1978) 42, 401-404
  • Mpumalanga Province
    • Ehlanzeni District
      • Nelspruit
Martini, J.E.J. et al (1997), "Mbobo Mkulu Cave, South Africa", in "Cave Minerals of the World" (1997)
USA
 
  • Virginia
    • Bath Co.
NSS Bulletin 44:90-97 (1982)
Mineral and/or Locality  
Mindat.org is an outreach project of the Hudson Institute of Mineralogy, a 501(c)(3) not-for-profit organization.
Copyright © mindat.org and the Hudson Institute of Mineralogy 1993-2018, except where stated. Mindat.org relies on the contributions of thousands of members and supporters.
Privacy Policy - Terms & Conditions - Contact Us Current server date and time: October 21, 2018 13:26:25 Page generated: October 14, 2018 08:13:46
Go to top of page