Lavoisierite

A valid IMA mineral species

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Lavoisierite

Punta Gensane, Col San Giovanni, Viù, Metropolitan City of Turin, Piedmont, Italy

Lavoisierite

Punta Gensane, Col San Giovanni, Viù, Metropolitan City of Turin, Piedmont, Italy

Lavoisierite

Punta Gensane, Col San Giovanni, Viù, Metropolitan City of Turin, Piedmont, Italy

Lavoisierite

Punta Gensane, Col San Giovanni, Viù, Metropolitan City of Turin, Piedmont, Italy

Lavoisierite

Punta Gensane, Col San Giovanni, Viù, Metropolitan City of Turin, Piedmont, Italy

Lavoisierite

Punta Gensane, Col San Giovanni, Viù, Metropolitan City of Turin, Piedmont, Italy

Lavoisierite

Punta Gensane, Col San Giovanni, Viù, Metropolitan City of Turin, Piedmont, Italy

Lavoisierite

Punta Gensane, Col San Giovanni, Viù, Metropolitan City of Turin, Piedmont, Italy

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About LavoisieriteHide

Antoine Lavoisier

Formula:

Mn²⁺₈[Al₁₀(Mn³⁺Mg)][Si₁₁P]O₄₄(OH)₁₂

The full (crystal chemical) formula is: Mn²⁺₈[Al₁₀(Mn³⁺Mg)](SiO₄)₄(Si₂O₇)₂(PO₄)(Si₃O₁₀)(OH)₁₂.

Colour:

Yellow-orange

Lustre:

Vitreous

Specific Gravity:

3.576 (Calculated)

Crystal System:

Orthorhombic

Name:

Named in 2012 by P. Orlandi, C. Biagioni, M. Pasero and M. Mellini in honor of Antoine-Laurent Lavoisier (26 August 1743 – 8 May 1794), a French chemist and biologist. He is considered the 'father of modern chemistry'.

Type Locality:

ⓘ Punta Gensane, Col San Giovanni, Viù, Metropolitan City of Turin, Piedmont, Italy

Related to sursassite and closely related to ardennite (= ardennite-(As) or ardennite-(V)). Also related to pumpellyite.

Complex multianion silicate-phosphate.

Lavoisierite represents a structural link between sursassite and ardennite.

Unique IdentifiersHide

Mindat ID:

42756

Long-form identifier:

mindat:1:1:42756:8

IMA Classification of LavoisieriteHide

IMA status:

Approved

IMA Formula:

Mn²⁺₈[Al₁₀(Mn³⁺Mg)][Si₁₁P]O₄₄(OH)₁₂

Approval year:

2012

First published:

2013

Classification of LavoisieriteHide

Strunz-mindat (2026):

9.B0.05

9 : SILICATES (Germanates)
B : Sorosilicates
0 :

Mineral SymbolsHide

As of 2021 there are now IMA–CNMNC approved mineral symbols (abbreviations) for each mineral species, useful for tables and diagrams.

Symbol	Source	Reference for Standard
Lvo	IMA–CNMNC	Warr, L.N. (2021). IMA–CNMNC approved mineral symbols. Mineralogical Magazine, 85(3), 291-320. doi:10.1180/mgm.2021.43

Physical Properties of LavoisieriteHide

Lustre:

Vitreous

Colour:

Yellow-orange

Streak:

White

Hardness Data:

Could not be measured

Tenacity:

Brittle

Cleavage:

None Observed

Density:

3.576 g/cm³ (Calculated)

Chemistry of LavoisieriteHide

Mindat Formula:

Mn²⁺₈[Al₁₀(Mn³⁺Mg)][Si₁₁P]O₄₄(OH)₁₂

The full (crystal chemical) formula is: Mn²⁺₈[Al₁₀(Mn³⁺Mg)](SiO₄)₄(Si₂O₇)₂(PO₄)(Si₃O₁₀)(OH)₁₂.

Element Weights:

Element	% weight
O	43.995 %
Mn	24.279 %
Si	15.170 %
Al	13.249 %
P	1.521 %
Mg	1.193 %
H	0.594 %

Calculated from ideal end-member formula.

Elements listed:

Al, H, Mg, Mn, O, P, Si - search for minerals with similar chemistry

Crystallography of LavoisieriteHide

Crystal System:

Orthorhombic

Class (H-M):

mmm(2/m2/m2/m) - Dipyramidal

Cell Parameters:

a = 8.689(1) Å, b = 5.7755(3) Å, c = 36.950(2) Å

Ratio:

a:b:c = 1.504 : 1 : 6.398

Unit Cell V:

1854.3 Å³

Comment:

space group: Pnmm

Crystal StructureHide

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Data courtesy of the American Mineralogist Crystal Structure Database. Click on an AMCSD ID to view structure

ID	Species	Reference	Link	Year	Locality	Pressure (GPa)	Temp (K)
0019788	Lavoisierite	Orlandi P, Biagioni C, Pasero M, Mellini M (2013) Lavoisierite, Mn2+8[Al10(Mn3+Mg)][Si11P]O44(OH)12, a new mineral from Piedmont, Italy: the link between "ardennite" and sursassite Physics and Chemistry of Minerals 40 239-249		2013	Piedmontese Nappe from Punta Gensane, Viu Valley, Western Alps, Italy	0	293

CIF Raw Data - click here to close

data_global
_chemical_name_mineral 'Lavoisierite'
loop_
_publ_author_name
'Orlandi P'
'Biagioni C'
'Pasero M'
'Mellini M'
_journal_name_full 'Physics and Chemistry of Minerals'
_journal_volume 40 
_journal_year 2013
_journal_page_first 239
_journal_page_last 249
_publ_section_title
;
 Lavoisierite, Mn2+8[Al10(Mn3+Mg)][Si11P]O44(OH)12, a new mineral from
 Piedmont, Italy: the link between "ardennite" and sursassite
;
_database_code_amcsd 0019788
_chemical_compound_source 'Piedmontese Nappe from Punta Gensane, Viu Valley, Western Alps, Italy'
_chemical_formula_sum 'Mn6.72 Ca.84 Mg2.6 Al9.84 Si11.5 P.5 O56 H12'
_cell_length_a 8.6891
_cell_length_b 5.7755
_cell_length_c 36.9504
_cell_angle_alpha 90
_cell_angle_beta 90
_cell_angle_gamma 90
_cell_volume 1854.315
_exptl_crystal_density_diffrn      3.543
_symmetry_space_group_name_H-M 'P n m m'
loop_
_space_group_symop_operation_xyz
  'x,y,z'
  'x,y,1/2-z'
  '-x,-y,1/2+z'
  'x,1/2-y,z'
  '-x,1/2+y,-z'
  '-x,1/2+y,1/2+z'
  'x,1/2-y,1/2-z'
  '-x,-y,-z'
loop_
_atom_site_label
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
_atom_site_occupancy
_atom_site_U_iso_or_equiv
MnA1   0.86890   0.25000   0.70330   0.58000   0.00770
CaA1   0.86890   0.25000   0.70330   0.42000   0.00770
MnA2   0.42670   0.75000   0.70586   0.70000   0.00680
MgA2   0.42670   0.75000   0.70586   0.30000   0.00680
MnA3   0.78410   0.75000   0.45668   0.74000   0.00730
MgA3   0.78410   0.75000   0.45668   0.26000   0.00730
MnA4   0.75810   0.75000   0.54683   0.76000   0.00650
MgA4   0.75810   0.75000   0.54683   0.24000   0.00650
MnM1   0.13270   0.00550   0.75000   0.50000   0.00540
MgM1   0.13270   0.00550   0.75000   0.50000   0.00540
AlM2   0.50000   0.00000   0.50000   0.98000   0.00500
MnM2   0.50000   0.00000   0.50000   0.02000   0.00500
AlM3   0.81660   0.00010   0.62447   0.97000   0.00320
MnM3   0.81660   0.00010   0.62447   0.03000   0.00320
AlM4   0.31530  -0.00120   0.62469   1.00000   0.00370
SiT1   0.42130   0.75000   0.42329   1.00000   0.00350
SiT2   0.05220   0.75000   0.67290   1.00000   0.00330
SiT3   0.53840   0.25000   0.67216   1.00000   0.00370
SiT4   0.77230   0.75000   0.75000   0.50000   0.00440
PT4   0.77230   0.75000   0.75000   0.50000   0.00440
SiT5   0.09320   0.75000   0.57618   1.00000   0.00320
SiT6   0.84410   0.25000   0.50173   1.00000   0.00520
SiT7   0.48000   0.25000   0.75000   1.00000   0.00400
O1   0.43960   0.01640   0.66670   1.00000   0.00520
O-H2   0.96450   0.25000   0.53610   1.00000   0.00810
O3   0.67050   0.75000   0.71540   1.00000   0.01210
O4   0.94640  -0.02410   0.66570   1.00000   0.00570
O5   0.50950   0.75000   0.46340   1.00000   0.00590
O6   0.11590   0.25000   0.71580   1.00000   0.01020
O7   0.92680   0.75000   0.59760   1.00000   0.00590
O8   0.70380   0.25000   0.65060   1.00000   0.00530
O9   0.59740   0.25000   0.71540   1.00000   0.00680
O10   0.74020  -0.98770   0.50070   1.00000   0.00880
O-H11   0.92890   0.25000   0.60660   1.00000   0.00610
O-H12   0.43120   0.75000   0.60650   1.00000   0.00500
O-H13   0.70330   0.75000   0.64180   1.00000   0.00550
O14   0.19230  -0.01740   0.58240   1.00000   0.00640
O15   0.19740   0.75000   0.64490   1.00000   0.00460
O16   0.56720   0.75000   0.39530   1.00000   0.00590
O17   0.13810   0.75000   0.71340   1.00000   0.01110
O-H18   0.48640   0.25000   0.46650   1.00000   0.00730
O-H19   0.19860   0.25000   0.64180   1.00000   0.00620
O20   0.31370  -0.02450   0.41670   1.00000   0.00510
O21   0.96270   0.25000   0.46680   1.00000   0.00660
O22   0.87690  -0.02510   0.75000   1.00000   0.01510
O23   0.38120   0.01000   0.75000   1.00000   0.00670

X-Ray Powder DiffractionHide

Powder Diffraction Data:

d-spacing	Intensity
4.62 Å	(m)
4.23 Å	(m)
3.167 Å	(m)
2.931 Å	(vs)
2.765 Å	(s)
2.598 Å	(s)
2.448 Å	(ms)
2.318 Å	(m)

Locality:

Punta Gensane, Col San Giovanni, Viù, Metropolitan City of Turin, Piedmont, Italy

Geological EnvironmentHide

Paragenetic Mode(s):

Paragenetic Mode	Earliest Age (Ga)
High-? alteration and/or metamorphism
32 : Ba/Mn/Pb/Zn deposits, including metamorphic deposits

Type Occurrence of LavoisieriteHide

Type Locality:

ⓘ Punta Gensane, Col San Giovanni, Viù, Metropolitan City of Turin, Piedmont, Italy

General Appearance of Type Material:

Acicular and prismatic-tabular crystals, elongated on [010] and flattened on {001}, up to a few millimeters in length.

Place of Conservation of Type Material:

Museo di Storia Naturale e del Territorio, Università di Pisa, Calci (Pisa), Italy, catalogue number 19637, and the Museo Regionale di Scienze Naturali, Torino, Italy, catalogue number M/U16359

Geological Setting of Type Material:

In piemontite-bearing micaschists. The crystallization of lavoisierite is related to the Alpine tectono-metamorphic events involving (Mn, Al)-rich metasediments.

Associated Minerals at Type Locality:

Braunite	Mica Group	Piemontite	Quartz	Spessartine
Sursassite	Tourmaline

Synonyms of LavoisieriteHide

IMA2012-009

Other Language Names for LavoisieriteHide

Dutch:Lavoisieriet

German:Lavoisierit

Relationship of Lavoisierite to other SpeciesHide

Structurally related to group(s):

Ardennite Group

Common AssociatesHide

Associations Based on Photo Data:

4 photos of Lavoisierite associated with Piemontite	(CaCa)(AlAlMn³⁺)O[Si₂O₇][SiO₄](OH)
1 photo of Lavoisierite associated with Braunite	Mn²⁺Mn³⁺₆(SiO₄)O₈

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.

Internet Links for LavoisieriteHide

mindat.org URL:

https://www.mindat.org/min-42756.html
Please feel free to link to this page.

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External Links:

Look for Lavoisierite on Webmineral

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Look for Lavoisierite on Mineralien Atlas

Raman and XRD data at RRUFF project

References and PDF downloads at RRUFF project

American Mineralogist Crystal Structure Database

Handbook of Mineralogy page PDF

Mineral Dealers:

Buy from D. Joyce minerals

References for LavoisieriteHide

Reference List:

Williams, P. A., Hatert, F., Pasero, M., Mills, S. J. (2012) New minerals and nomenclature modifications approved in 2012. CNMNC Newsletter No 13. Mineralogical Magazine, 76 (3) 807-817 doi:10.1180/minmag.2012.076.3.26

Orlandi, Paolo; Biagioni, Cristian; Pasero, Marco; Mellini, Marcello (2013) Lavoisierite, Mn2+8[Al10(Mn3+Mg)][Si11P]O44(OH)12, a new mineral from Piedmont, Italy: the link between “ardennite” and sursassite. Physics and Chemistry of Minerals, 40 (3). p.239-249. doi:10.1007/s00269-013-0564-x

(2015) Lavoisierite. Handbook of Mineralogy. Mineralogical Society of America

Localities for LavoisieriteHide

Showing 4 localities.

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.

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Locality ListHide

- This locality has map coordinates listed.

- This locality has estimated coordinates. ⓘ - Click for references and 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 (e.g. from pseudomorphs).

All localities listed without proper references should be considered as questionable.


Italy
Piedmont Metropolitan City of Turin Lanzo Valleys Mezzenile ⓘ Rio Cenere	Deidda et al. (2022)
Usseglio ⓘ Punta Chestassa	Deidda et al. (2022)
Viù Col San Giovanni ⓘ Punta Gensane (TL)	Williams et al. (2012)

North Macedonia
Prilep Municipality ⓘ Vitolište ?	Altherr et al. (2017)

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