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Luinaite-(OH)

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Formula:
Na(Fe2+)3Al6(Si6O18)(BO3)3(OH)3(OH)
System:
Monoclinic
Name:
For the type locality, Luina (Heazlewood district, Tasmania, Australia).
Dimorph of:
Tourmaline Group.
The OH analogue of Unnamed (F-analogue of Luinaite-(OH)).

A monoclinic-pseudorhombohedral member of the tourmaline group. The symmetry reduction is caused by cation ordering.
Can be correctly identified only using high-resolution XRD (SXRD) studies. EDS-, EPMA- and standard PXRD-analyses are insufficient for a correct identification of luinaite-(OH).

NOTE: Only one of the photos uploaded so far shows a SXRD-analysed sample; all other samples may just be normal schorl.

Classification of Luinaite-(OH)

Approved 2009
61.3.7.

61 : CYCLOSILICATES Six-Membered Rings
3 : Six-Membered Rings with borate groups
mindat.org URL:
http://www.mindat.org/min-39672.html
Please feel free to link to this page.

First Recorded Occurrence of Luinaite-(OH)

Crystallography of Luinaite-(OH)

Crystal System:
Monoclinic
Class (H-M):
m - Domatic
Space Group:
Bm
Space Group Setting:
Cm
Cell Parameters:
a = 10.408(3) Å, b = 15.991(5) Å, c = 7.189(2) Å
β = 117.44(2)°
Ratio:
a:b:c = 0.651 : 1 : 0.45
Unit Cell Volume:
V 1,061.88 ų (Calculated from Unit Cell)
Comment:
Strongly pseudorhombohedral.
X-Ray Powder Diffraction Data:
d-spacingIntensity
6.47 (55)
4.26 (52)
4.01 (79)
3.51 (49)
2.98 (48)
2.59 (100)
2.06 (41)
2.05 (44)

Chemical Properties of Luinaite-(OH)

Formula:
Na(Fe2+)3Al6(Si6O18)(BO3)3(OH)3(OH)
Essential elements:
All elements listed in formula:

Relationship of Luinaite-(OH) to other Species

Other Members of Group:
AdachiiteCaFe3Al6(Si5AlO18)(BO3)3(OH)3(OH)
Chromium-draviteNa(Mg3)Cr63+(Si6O18)(BO3)3(OH)3(OH)
Chromo-alumino-povondraiteNa(Cr3)(Al4Mg2)(Si6O18)(BO3)3(OH)3O
DarrellhenryiteNa(LiAl2)Al6(BO3)3Si6O18(OH)3O
DraviteNa(Mg3)Al6(Si6O18)(BO3)3(OH)3(OH)
ElbaiteNa(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3(OH)
FeruviteCa(Fe2+)3MgAl5(Si6O18)(BO3)3(OH)3(OH)
Fluor-buergeriteNa(Fe33+)Al6(Si6O18)(BO3)3O3F
Fluor-draviteNa(Mg3)Al6(Si6O18)(BO3)3(OH)3F
Fluor-elbaiteNa(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3F
Fluor-feruviteCa(Fe2+)3MgAl5(Si6O18)(BO3)3(OH)3F
Fluor-liddicoatiteCa(Li2Al)Al6(Si6O18)(BO3)3(OH)3F
Fluor-schorlNa(Fe32+)Al6(Si6O18)(BO3)3(OH)3F
Fluor-tsilaisiteNa(Mn2+)3Al6(Si6O18)(BO3)3(OH)3F
Fluor-uviteCa(Mg3)MgAl5(Si6O18)(BO3)3(OH)3F
Foitite(□,Na)(Fe22+Al)Al6(Si6O18)(BO3)3(OH)3OH
LiddicoatiteCa(Li2Al)Al6(Si6O18)(BO3)3(OH)3(OH)
Magnesio-foitite(□,Na)(Mg2Al)Al6(Si6O18)(BO3)3(OH)3(OH)
MaruyamaiteK(MgAl2)(Al5Mg)(BO3)3(Si6O18)(OH)3O
OleniteNa(Al3)Al6(Si6O18)(BO3)3O3(OH)
Oxy-chromium-draviteNa(Cr)3(Cr4Mg2)(Si6O18)(BO3)3(OH)3O
Oxy-draviteNa(MgAl2)MgAl5(Si6O18)(BO3)3(OH)3O
Oxy-rossmanite☐(LiAl2)Al6(Si6O18)(BO3)3(OH)3O
Oxy-schorlNa(Fe22+Al)Al6(Si6O18)(BO3)3(OH)3O
Oxy-vanadium-draviteNa(V)3(V4Mg2)Si6O18(BO3)3(OH)3O
PovondraiteNaFe33+(Mg2Fe43+)(Si6O18)(BO3)3(OH)3O
Rossmanite☐(LiAl2)Al6(Si6O18)(BO3)3(OH)3(OH)
SchorlNa(Fe32+)Al6(Si6O18)(BO3)3(OH)3(OH)
TsilaisiteNa(Mn2+)3Al6(Si6O18)(BO3)3(OH)3(OH)
UM2000-64-SiO:BFeHKMgK, Mg, Fe, Si, B, O, H
Unnamed (Pb-dominant Tourmaline)(Pb,Na)(Li,Al)3Al6(Si6O18)(BO3)3(OH)3(F,OH)
UviteCa(Mg3)MgAl5(Si6O18)(BO3)3(OH)3(F/OH)
Vanadio-oxy-chromium-draviteNa(V)3(Cr4Mg2)(Si6O18)(BO3)3(OH)3O
Vanadio-oxy-draviteNaV3(Al4Mg2)(Si6O18)(BO3)3(OH)3O
Structurally related to group(s):
TourmalineA(D3)G6(T6O18)(BO3)3X3Z

Other Names for Luinaite-(OH)

Name in Other Languages:

Other Information

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 Luinaite-(OH)

Reference List:
IMA approvals - September 2009

Mills, S. J. & Groat, L. A. (2008) New minerals related to tourmaline and possible implications on nomenclature. M&M6 (6th Museums & Mineralogy) Conference, Golden, Colorado, USA, 29.

Kolitsch, U., Husdal, T. A., Brandstätter, F. & Ertl, A. (2011): New crystal-chemical data for members of the tourmaline group from Norway: occurences of fluor-schorl and luinaite-(OH).

Kolitsch, U., Andresen, P., Husdal, T. A., Ertl, A., Haugen, A., Ellingsen, H. V. and Larsen, A. O. (2013): Tourmaline-group minerals from Norway, part II: Occurrences of luinaite-(OH) in Tvedalen, Larvik and Porsgrunn, and fluor-liddicoatite, fluor-elbaite and fluor-schorl at Ågskardet, Nordland. Norsk Bergverksmuseet Skrift 50, 23-41.

Internet Links for Luinaite-(OH)

Localities for Luinaite-(OH)

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.
(TL) indicates type locality for a valid mineral species. (FRL) indicates first recorded locality for everything else. ? indicates mineral may be doubtful at this locality. All other localities listed without reference should be considered as uncertain and unproven until references can be found.
Australia
 
  • Tasmania
    • Heazlewood district
      • Luina
IMA approvals - Sept. 2009
    • Waratah district
      • Waratah
IMA approvals - Sept. 2009; Stu Mills in prep
R Bottrill & A Tuma collections
  • Victoria
    • Bendoc
IMA approvals - Sept. 2009
Brazil
 
  • Minas Gerais
    • Doce Valley
S. Mills type description in prep.
Norway
 
  • Nordland
    • Tysfjord
Kolitsch, U., Husdal, T. A., Brandstätter, F. & Ertl, A. (2011) : New crystal-chemical data for members of the tourmaline group from Norway: occurences of fluor-schorl and luinaite-(OH). Norsk Bergverksmuseum Skrift 46, 17-24.
  • Telemark
    • Porsgrunn
      • Langangen
Kolitsch, U., Andresen, P., Husdal, T. A., Ertl, A., Haugen, A., Ellingsen, H. V. and Larsen, A. O. (2013): Tourmaline-group minerals from Norway, part II: Occurrences of luinaite-(OH) in Tvedalen, Larvik and Porsgrunn, and fluor-liddicoatite, fluor-elbaite and fluor-schorl at Ågskardet, Nordland. Norsk Bergverksmuseum Skrift 50, 23-41.
  • Vestfold
    • Larvik
      • Malerød
Kolitsch, U., Andresen, P., Husdal, T. A., Ertl, A., Haugen, A., Ellingsen, H. V. and Larsen, A. O. (2013): Tourmaline-group minerals from Norway, part II: Occurrences of luinaite-(OH) in Tvedalen, Larvik and Porsgrunn, and fluor-liddicoatite, fluor-elbaite and fluor-schorl at Ågskardet, Nordland. Norsk Bergverksmuseet Skrift 50, 23-41.; Peter Andresen collection.
      • Tvedalen
        • Tuften (Tuften 1 Quarry; Tuften 2 Quarry)
Nordrum, F.S. (2012): Noen funn av mineraler i Norge 2011-2012. Norsk Bergverksmuseum Skrifter. 49, 117-124; Kolitsch, U., Andresen, P., Husdal, T. A., Ertl, A., Haugen, A., Ellingsen, H. V. and Larsen, A. O. (2013): Tourmaline-group minerals from Norway, part II: Occurrences of luinaite-(OH) in Tvedalen, Larvik and Porsgrunn, and fluor-liddicoatite, fluor-elbaite and fluor-schorl at Ågskardet, Nordland. Norsk Bergverksmuseet Skrift 50, 23-41.
USA
 
  • Washington
    • King Co.
      • North Bend
IMA approvals - Sept. 2009
Mineral and/or Locality  
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