Help mindat.org|Log In|Register|
Home PageMindat NewsThe Mindat ManualHistory of MindatCopyright StatusManagement TeamContact UsAdvertise on Mindat
Donate to MindatSponsor a PageSponsored PagesTop Available PagesMindat AdvertisersAdvertise on Mindat
Minerals by PropertiesMinerals by ChemistryAdvanced Locality SearchRandom MineralSearch 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 ElementsMember ListBooks & MagazinesMineral Shows & EventsThe Mindat DirectoryHow to Link to MindatDevice Settings
Photo SearchPhoto GalleriesNew Photos TodayNew Photos YesterdayMembers' Photo GalleriesPast Photo of the Day Gallery

Lulzacite

This page is currently not sponsored. Click here to sponsor this page.
Formula:
Sr2Fe2+(Fe2+,Mg)2Al4(PO4)4(OH)10
Colour:
Greyish-green
Lustre:
Vitreous
Hardness:
5½ - 6
Specific Gravity:
3.55
Crystal System:
Triclinic
Name:
To honor Mr. Yves Lulzac, from Nantes, France, geologist-engineer with BRGM (Bureau de Recherches Géologiques et Minières). He discovered the mineral.
Isostructural with:
A complex phosphate isotypic with jamesite.


Hide all sections | Show all sections

Classification of LulzaciteHide

Approved
First Published:
2000
8.BK.25

8 : PHOSPHATES, ARSENATES, VANADATES
B : Phosphates, etc., with additional anions, without H2O
K : With medium-sized and large cations, (OH, etc.):RO4 = 2:1, 2.5:1

Physical Properties of LulzaciteHide

Vitreous
Colour:
Greyish-green
Hardness:
5½ - 6 on Mohs scale
Cleavage:
None Observed
None
Density:
3.55 g/cm3 (Measured)    3.58 g/cm3 (Calculated)

Optical Data of LulzaciteHide

Type:
Biaxial (-)
RI values:
nα = 1.654 nβ = 1.674 nγ = 1.684
2V:
Measured: 45° to 65°, Calculated: 68°
Max Birefringence:
δ = 0.030
Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.
Surface Relief:
High
Dispersion:
r < v distinct
Pleochroism:
Visible
Comments:
brown-yellow to pale blue-violet

Chemical Properties of LulzaciteHide

Formula:
Sr2Fe2+(Fe2+,Mg)2Al4(PO4)4(OH)10
IMA Formula:
Sr2Fe2+3Al4(PO4)4(OH)10

Crystallography of LulzaciteHide

Crystal System:
Triclinic
Class (H-M):
1 - Pinacoidal
Space Group:
P1
Cell Parameters:
a = 5.457 Å, b = 9.131 Å, c = 9.769 Å
α = 108.47°, β = 91.72°, γ = 97.44°
Ratio:
a:b:c = 0.598 : 1 : 1.07
Unit Cell V:
456.5 ų
Z:
1

X-Ray Powder DiffractionHide

Powder Diffraction Data:
d-spacingIntensity
4.47 (41)
3.591 (50)
3.218 (100)
3.132 (62)
3.016 (56)
2.878 (42)
2.812 (62)
2.653 (44)
2.634 (43)
(

Type Occurrence of LulzaciteHide

Place of Conservation of Type Material:
Mineralogical Museum of the École des Mines in Paris.
Museum national d’histoire naturelle in Paris.
Collection de minéralogie de la Sorbonne (Paris University).

Synonyms of LulzaciteHide

Other Language Names for LulzaciteHide

German:Lulzacit
Spanish:Lulzacita

Common AssociatesHide

Associated Minerals Based on Photo Data:
Siderite3 photos of Lulzacite associated with Siderite on mindat.org.
Quartz1 photo of Lulzacite associated with Quartz on mindat.org.

Related Minerals - Nickel-Strunz GroupingHide

8.BK.05BrazilianiteNaAl3(PO4)2(OH)4Mon. 2/m : P2/b
8.BK.10MedenbachiteBi2Fe3+Cu2+(AsO4)2O(OH)3Tric. 1 : P1
8.BK.10NeustädteliteBi2Fe3+(Fe3+,Co)(AsO4)2(O,OH)4Tric. 1 : P1
8.BK.10CobaltneustädteliteBi2Fe3+(Co,Fe3+)(AsO4)2(O,OH)4Tric. 1 : P1
8.BK.15CuretoniteBa(Al,Ti)(PO4)(OH,O)FMon. 2/m
8.BK.20HeyitePb5Fe2+2(VO4)2O4Mon.
8.BK.25JamesitePb2Zn(Fe2+,Zn)2Fe3+4(AsO4)4(OH)10Tric.

Other InformationHide

Notes:
Slightly soluble in hot HNO3 but inert in HCl.
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 LulzaciteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Moëlo, Y., Lasnier, B., Palvadeau, P., Leone, P., Fontan, F. (2000) Lulzacite, Sr2Fe2+(Fe2+,Mg)2Al4(PO4)4(OH)10, a new strontium phosphate (Saint-Aubin-des-Chateaux, Loire-Atlantique, France). Comptes Rendu Académie des Sciences, Sér. IIa: 330: 317-324. (in French)
Leone, P., Palvadeau, P., Moëlo, Y. (2000) Crystal structure of a new natural strontium, iron and aluminum hydroxyphosphate (lulzacite): Sr2Fe(Fe0.63Mg0.37)2Al4(PO4)4(OH)10. Comptes Rendus de l'Academie des Sciences, Série IIc: 3: 301-308. (in French)

Internet Links for LulzaciteHide

Localities for LulzaciteHide

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.
France (TL)
 
  • Pays de la Loire
    • Loire-Atlantique
      • Saint-Aubin-des-Châteaux
Moëlo, Y., Lasnier, B., Palvadeau, P., Leone, P. & Fontan, F. (2000): Lulzacite, Sr2Fe2+(Fe2+,Mg)2Al4(PO4)4(OH)10, a new strontium phosphate (Saint-Aubin-des-Chateaux, Loire-Atlantique, France). Comptes Rendu Académie des Sciences, Sér. IIa, 330: 317-324. (in French); Moëlo, Y., Gloaguen, E., Lulzac, Y. (2006): III. Les minéraux de Saint-Aubin. Le Cahier des Micromonteurs, 1/2006, 13-25
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 1993-2017, 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: September 20, 2017 19:20:22 Page generated: September 18, 2017 20:39:28
Go to top of page