Ilvaite
A valid IMA mineral species - grandfathered
This page kindly sponsored by David Carter
About Ilvaite
Formula:
CaFe3+Fe2+2(Si2O7)O(OH)
Colour:
Iron-black, dark grayish black
Lustre:
Sub-Metallic
Hardness:
5½ - 6
Specific Gravity:
3.99 - 4.05
Crystal System:
Orthorhombic
Member of:
Name:
For "Ilva", the old latin name of Elba Island, on which the co-type localites are situated.
The history of the name of ilvaite is complex.
The mineral was probably first observed in 1784 by the french geologist Déodat de Dolomieu (1750-1801) during his voyage to the Elba Island, Italy. According to Thiébaut de Berneaud (1808), it was found at Cap Calamita ["C'est à la punta della Calamita que Dolomieu trouva cette substance minèrale qu'on a depuis nommée yénite"]. As the mineral collected by Dolomieu didn't show crystal forms, he was induced to classify it as black schorl. The french mineralogist Romé de l’Isle (1736-1790) also had a crystal of the mineral in collection, labelled as Mine de fer noirâtre attirable à l`aimant [an iron mineral that is attracted by magnet] and originating from Rio Marina (Leliévre 1807, Thiébaut de Berneaud 1808, Schubnel 1999). In 1796, the French Mineralogist Louis-Benjamin Fleuriau de Bellevu (1761-1852) also collected the mineral at Cap Calamite (Leliévre 1807 (footnote p. 72-73), Schubnel 1999). It was analyzed by the french chemist Vaquelin.
But it was first published, described and named in 1807 by the French mineralogist Claude-Hugues Leliévre (28 june 1752, Paris, France -18 october 1835). He named it as yenite, in memory of the battle at Jena (in todays Germany) 14 October 1806. The battle was between the forces of Napoleon I of France and Frederick William III of Prussia.
The name should have been written Jenite, but according to Leliévre he changed it to Yenite, to avoid confusions with the prononciation.
The name was however criticized in the science community. Information on the new mineral was published by french geologist Jean-François D'Aubuisson in the German Journal für die Chemie und Physik in 1807. The author gave here another origin for the name: "Le Lièvre gave it the name jenite in memory of the Mineralogical Society of Jena, of which he is member" (It seems to be an attempt to soften a name unpleasent to all German).
Later the German/Danish-Norwegian philosopher and mineralogist Henrik Steffens (2 May 1773 Stavanger, Denmark-Norway - 13 February 1845 Berlin, Germany) in his Vollständiges Handbuch der Oryktgnosie (1811) introduced the name Ilvaite.
Later, in 1812 another German, Abraham Gottlob Werner (in Hoffmann 1812, Handbuch der Mineralogie II, p. 376) proposed the name Lievrite in honor of Leliévre who first described the mineral.
The name Ilvaite is the name used today.
Leliévre (1807), in his description, states that he found the mineral in two different localities on the Elba Island: At Rio Marina and at Cap Calamite.
The history of the name of ilvaite is complex.
The mineral was probably first observed in 1784 by the french geologist Déodat de Dolomieu (1750-1801) during his voyage to the Elba Island, Italy. According to Thiébaut de Berneaud (1808), it was found at Cap Calamita ["C'est à la punta della Calamita que Dolomieu trouva cette substance minèrale qu'on a depuis nommée yénite"]. As the mineral collected by Dolomieu didn't show crystal forms, he was induced to classify it as black schorl. The french mineralogist Romé de l’Isle (1736-1790) also had a crystal of the mineral in collection, labelled as Mine de fer noirâtre attirable à l`aimant [an iron mineral that is attracted by magnet] and originating from Rio Marina (Leliévre 1807, Thiébaut de Berneaud 1808, Schubnel 1999). In 1796, the French Mineralogist Louis-Benjamin Fleuriau de Bellevu (1761-1852) also collected the mineral at Cap Calamite (Leliévre 1807 (footnote p. 72-73), Schubnel 1999). It was analyzed by the french chemist Vaquelin.
But it was first published, described and named in 1807 by the French mineralogist Claude-Hugues Leliévre (28 june 1752, Paris, France -18 october 1835). He named it as yenite, in memory of the battle at Jena (in todays Germany) 14 October 1806. The battle was between the forces of Napoleon I of France and Frederick William III of Prussia.
The name should have been written Jenite, but according to Leliévre he changed it to Yenite, to avoid confusions with the prononciation.
The name was however criticized in the science community. Information on the new mineral was published by french geologist Jean-François D'Aubuisson in the German Journal für die Chemie und Physik in 1807. The author gave here another origin for the name: "Le Lièvre gave it the name jenite in memory of the Mineralogical Society of Jena, of which he is member" (It seems to be an attempt to soften a name unpleasent to all German).
Later the German/Danish-Norwegian philosopher and mineralogist Henrik Steffens (2 May 1773 Stavanger, Denmark-Norway - 13 February 1845 Berlin, Germany) in his Vollständiges Handbuch der Oryktgnosie (1811) introduced the name Ilvaite.
Later, in 1812 another German, Abraham Gottlob Werner (in Hoffmann 1812, Handbuch der Mineralogie II, p. 376) proposed the name Lievrite in honor of Leliévre who first described the mineral.
The name Ilvaite is the name used today.
Leliévre (1807), in his description, states that he found the mineral in two different localities on the Elba Island: At Rio Marina and at Cap Calamite.
Unique Identifiers
Mindat ID:
2016
Long-form identifier:
mindat:1:1:2016:5
GUID
(UUID V4):
(UUID V4):
e0f10988-4f48-471f-9324-004ae46e19f7
IMA Classification of Ilvaite
Approved, 'Grandfathered' (first described prior to 1959)
IMA Formula:
CaFe3+Fe2+2O(Si2O7)(OH)
First published:
1807
Classification of Ilvaite
9.BE.07
9 : SILICATES (Germanates)
B : Sorosilicates
E : Si2O7 groups, with additional anions; cations in octahedral [6] and greater coordination
9 : SILICATES (Germanates)
B : Sorosilicates
E : Si2O7 groups, with additional anions; cations in octahedral [6] and greater coordination
56.2.3.3
56 : SOROSILICATES Si2O7 Groups, With Additional O, OH, F and H2O
2 : Si2O7 Groups and O, OH, F, and H2O with cations in [4] and/or >[4] coordination
56 : SOROSILICATES Si2O7 Groups, With Additional O, OH, F and H2O
2 : Si2O7 Groups and O, OH, F, and H2O with cations in [4] and/or >[4] coordination
14.22.7
14 : Silicates not Containing Aluminum
22 : Silicates of Fe and Ca
14 : Silicates not Containing Aluminum
22 : Silicates of Fe and Ca
Mineral Symbols
As of 2021 there are now IMA–CNMNC approved mineral symbols (abbreviations) for each mineral species, useful for tables and diagrams.
Please only use the official IMA–CNMNC symbol. Older variants are listed for historical use only.
Please only use the official IMA–CNMNC symbol. Older variants are listed for historical use only.
Symbol | Source | Reference |
---|---|---|
Ilv | IMA–CNMNC | Warr, L.N. (2021). IMA–CNMNC approved mineral symbols. Mineralogical Magazine, 85(3), 291-320. doi:10.1180/mgm.2021.43 |
Ilv | Whitney & Evans (2010) | Whitney, D.L. and Evans, B.W. (2010) Abbreviations for names of rock-forming minerals. American Mineralogist, 95, 185–187 doi:10.2138/am.2010.3371 |
Ilv | The Canadian Mineralogist (2019) | The Canadian Mineralogist (2019) The Canadian Mineralogist list of symbols for rock- and ore-forming minerals (December 30, 2019). download |
Physical Properties of Ilvaite
Sub-Metallic
Transparency:
Opaque
Colour:
Iron-black, dark grayish black
Streak:
Black, inclining to green or brown
Hardness:
5½ - 6 on Mohs scale
Tenacity:
Brittle
Cleavage:
Distinct/Good
Distinct on {001} {010}
Distinct on {001} {010}
Fracture:
Irregular/Uneven
Density:
3.99 - 4.05 g/cm3 (Measured) 4.064 g/cm3 (Calculated)
Optical Data of Ilvaite
Type:
Biaxial (+)
RI values:
nα = 1.727 nβ = 1.870 nγ = 1.883
2V:
Measured: 20° to 30°, Calculated: 30°
Max Birefringence:
δ = 0.156
Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.
and does not take into account mineral colouration.
Surface Relief:
Very High
Anisotropism:
Very strong
Dispersion:
Strong r
Optical Extinction:
X > Y > Z
Reflectivity:
Wavelength | R1 | R2 |
---|---|---|
400nm | 8.7% | 10.4% |
420nm | 8.6% | 10.3% |
440nm | 8.5% | 10.2% |
460nm | 8.2% | 10.1% |
480nm | 7.9% | 10.0% |
500nm | 7.6% | 9.9% |
520nm | 7.3% | 9.8% |
540nm | 7.0% | 9.8% |
560nm | 6.7% | 9.8% |
580nm | 6.3% | 9.8% |
600nm | 5.8% | 9.8% |
620nm | 5.5% | 9.8% |
640nm | 5.2% | 9.8% |
660nm | 5.0% | 9.8% |
680nm | 5.1% | 9.7% |
700nm | 5.4% | 9.6% |
Graph shows reflectance levels at different wavelengths (in nm). Top of box is 100%. Peak reflectance is 10.4%.
R1 shown in black, R2 shown in red
Colour in reflected light:
light gray to bluish gray, pinkish red to violet
Pleochroism:
Strong
Comments:
X= dark green
Y= yellow-brown to dark brown
Z= dark brown
Y= yellow-brown to dark brown
Z= dark brown
Comments:
X=c, Y=b, Z=a
Chemistry of Ilvaite
Mindat Formula:
CaFe3+Fe2+2(Si2O7)O(OH)
Common Impurities:
Mg,Mn
Crystallography of Ilvaite
Crystal System:
Orthorhombic
Class (H-M):
mmm (2/m 2/m 2/m) - Dipyramidal
Cell Parameters:
a = 8.800 Å, b = 13.019 Å, c = 5.852 Å
Ratio:
a:b:c = 0.676 : 1 : 0.449
Unit Cell V:
670.45 ų (Calculated from Unit Cell)
Z:
4
Morphology:
Prismatic, columnar, radiating, compact massive,
Comment:
Orthorhombic (Pbnm; cell parameters given refer to this space-group symmetry) or monoclinic (P21/a; 13.0103(5), 8.8039(4), 5.8517(3), 90.209(5))
Crystallographic forms of Ilvaite
Crystal Atlas:
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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) |
---|---|---|---|---|---|---|---|
0001003 | Ilvaite | Ghose S, Sen Gupta P K, Schlemper E O (1985) Electron ordering in ilvaite, a mixed-valence iron silicate: crystal structure refinement at 138 K American Mineralogist 70 1248-1252 | 1985 | 0 | 293 | ||
0002317 | Ilvaite | Bonazzi P, Bindi L (1999) Structural adjustments induced by heat treatment in ilvaite American Mineralogist 84 1604-1612 | 1999 | 0 | 293 | ||
0002318 | Ilvaite | Bonazzi P, Bindi L (1999) Structural adjustments induced by heat treatment in ilvaite American Mineralogist 84 1604-1612 | 1999 | 0 | 293 | ||
0002319 | Ilvaite | Bonazzi P, Bindi L (1999) Structural adjustments induced by heat treatment in ilvaite American Mineralogist 84 1604-1612 | 1999 | 0 | 293 | ||
0002320 | Ilvaite | Bonazzi P, Bindi L (1999) Structural adjustments induced by heat treatment in ilvaite American Mineralogist 84 1604-1612 | 1999 | 0 | 293 | ||
0002321 | Ilvaite | Bonazzi P, Bindi L (1999) Structural adjustments induced by heat treatment in ilvaite American Mineralogist 84 1604-1612 | 1999 | 0 | 293 | ||
0002322 | Ilvaite | Bonazzi P, Bindi L (1999) Structural adjustments induced by heat treatment in ilvaite American Mineralogist 84 1604-1612 | 1999 | 0 | 293 | ||
0002323 | Ilvaite | Bonazzi P, Bindi L (1999) Structural adjustments induced by heat treatment in ilvaite American Mineralogist 84 1604-1612 | 1999 | 0 | 293 | ||
0002324 | Ilvaite | Bonazzi P, Bindi L (1999) Structural adjustments induced by heat treatment in ilvaite American Mineralogist 84 1604-1612 | 1999 | 0 | 293 | ||
0002325 | Ilvaite | Bonazzi P, Bindi L (1999) Structural adjustments induced by heat treatment in ilvaite American Mineralogist 84 1604-1612 | 1999 | 0 | 293 | ||
0002326 | Ilvaite | Bonazzi P, Bindi L (1999) Structural adjustments induced by heat treatment in ilvaite American Mineralogist 84 1604-1612 | 1999 | 0 | 293 | ||
0002327 | Ilvaite | Bonazzi P, Bindi L (1999) Structural adjustments induced by heat treatment in ilvaite American Mineralogist 84 1604-1612 | 1999 | 0 | 293 | ||
0002848 | Ilvaite | Bonazzi P, Bindi L (2002) Structural properties and heat-induced oxidation-dehydrogenation of manganoan ilvaite from Perda Niedda mine, Sardinia, Italy American Mineralogist 87 845-852 | 2002 | 0 | 293 | ||
0002849 | Ilvaite | Bonazzi P, Bindi L (2002) Structural properties and heat-induced oxidation-dehydrogenation of manganoan ilvaite from perda Niedda mine, Sardinia, Italy American Mineralogist 87 845-852 | 2002 | 0 | 293 | ||
0002850 | Ilvaite | Bonazzi P, Bindi L (2002) Structural properties and heat-induced oxidation-dehydrogenation of manganoan ilvaite from perda Niedda mine, Sardinia, Italy American Mineralogist 87 845-852 | 2002 | 0 | 293 | ||
0002851 | Ilvaite | Bonazzi P, Bindi L (2002) Structural properties and heat-induced oxidation-dehydrogenation of manganoan ilvaite from perda Niedda mine, Sardinia, Italy American Mineralogist 87 845-852 | 2002 | 0 | 293 | ||
0002852 | Ilvaite | Bonazzi P, Bindi L (2002) Structural properties and heat-induced oxidation-dehydrogenation of manganoan ilvaite from perda Niedda mine, Sardinia, Italy American Mineralogist 87 845-852 | 2002 | 0 | 293 | ||
0002853 | Ilvaite | Bonazzi P, Bindi L (2002) Structural properties and heat-induced oxidation-dehydrogenation of manganoan ilvaite from perda Niedda mine, Sardinia, Italy American Mineralogist 87 845-852 | 2002 | 0 | 293 | ||
0002854 | Ilvaite | Bonazzi P, Bindi L (2002) Structural properties and heat-induced oxidation-dehydrogenation of manganoan ilvaite from perda Niedda mine, Sardinia, Italy American Mineralogist 87 845-852 | 2002 | 0 | 293 | ||
0006537 | Ilvaite | Carrozzini B (1994) Crystal structure refinements of ilvaite: new relationships between chemical composition and crystallographic parameters European Journal of Mineralogy 6 465-479 | 1994 | 0 | 293 | ||
0006538 | Ilvaite | Carrozzini B (1994) Crystal structure refinements of ilvaite: new relationships between chemical composition and crystallographic parameters European Journal of Mineralogy 6 465-479 | 1994 | 0 | 293 | ||
0006539 | Ilvaite | Carrozzini B (1994) Crystal structure refinements of ilvaite: new relationships between chemical composition and crystallographic parameters European Journal of Mineralogy 6 465-479 | 1994 | 0 | 293 | ||
0006540 | Ilvaite | Carrozzini B (1994) Crystal structure refinements of ilvaite: new relationships between chemical composition and crystallographic parameters European Journal of Mineralogy 6 465-479 | 1994 | 0 | 293 | ||
0006541 | Ilvaite | Carrozzini B (1994) Crystal structure refinements of ilvaite: new relationships between chemical composition and crystallographic parameters European Journal of Mineralogy 6 465-479 | 1994 | 0 | 293 | ||
0006542 | Ilvaite | Carrozzini B (1994) Crystal structure refinements of ilvaite: new relationships between chemical composition and crystallographic parameters European Journal of Mineralogy 6 465-479 | 1994 | 0 | 293 | ||
0006543 | Ilvaite | Carrozzini B (1994) Crystal structure refinements of ilvaite: new relationships between chemical composition and crystallographic parameters European Journal of Mineralogy 6 465-479 | 1994 | 0 | 293 | ||
0006544 | Ilvaite | Carrozzini B (1994) Crystal structure refinements of ilvaite: new relationships between chemical composition and crystallographic parameters European Journal of Mineralogy 6 465-479 | 1994 | 0 | 293 | ||
0007361 | Ilvaite | Ghose S, Hewat A W, Marezio M (1984) A neutron powder diffraction study of the crystal and magnetic structures of ilvaite from 305 K to 5 K - a mixed valence iron silicate with an electronic transition Physics and Chemistry of Minerals 11 67-74 | 1984 | 0 | 293 | ||
0007362 | Ilvaite | Ghose S, Hewat A W, Marezio M (1984) A neutron powder diffraction study of the crystal and magnetic structures of ilvaite from 305 K to 5 K - a mixed valence iron silicate with an electronic transition Physics and Chemistry of Minerals 11 67-74 | 1984 | 0 | 293 | ||
0007363 | Ilvaite | Ghose S, Hewat A W, Marezio M (1984) A neutron powder diffraction study of the crystal and magnetic structures of ilvaite from 305 K to 5 K - a mixed valence iron silicate with an electronic transition Physics and Chemistry of Minerals 11 67-74 | 1984 | 0 | 293 | ||
0007364 | Ilvaite | Ghose S, Hewat A W, Marezio M (1984) A neutron powder diffraction study of the crystal and magnetic structures of ilvaite from 305 K to 5 K - a mixed valence iron silicate with an electronic transition Physics and Chemistry of Minerals 11 67-74 | 1984 | 0 | 293 | ||
0007453 | Ilvaite | Ghose S, Tsukimura K, Hatch D M (1989) Phase transitions in ilvaite, a mixed-valence iron silicate II. A single-crystal X-ray diffraction study and Landau theory of the monoclinic to orthorhombic phase transition induced by charge delocalization Physics and Chemistry of Minerals 16 483-496 | 1989 | 0 | 293 | ||
0007454 | Ilvaite | Ghose S, Tsukimura K, Hatch D M (1989) Phase transitions in ilvaite, a mixed-valence iron silicate II. A single-crystal X-ray diffraction study and Landau theory of the monoclinic to orthorhombic phase transition induced by charge delocalization Physics and Chemistry of Minerals 16 483-496 | 1989 | 0 | 293 | ||
0007455 | Ilvaite | Ghose S, Tsukimura K, Hatch D M (1989) Phase transitions in ilvaite, a mixed-valence iron silicate II. A single-crystal X-ray diffraction study and Landau theory of the monoclinic to orthorhombic phase transition induced by charge delocalization Physics and Chemistry of Minerals 16 483-496 | 1989 | 0 | 293 | ||
0007456 | Ilvaite | Ghose S, Tsukimura K, Hatch D M (1989) Phase transitions in ilvaite, a mixed-valence iron silicate II. A single-crystal X-ray diffraction study and Landau theory of the monoclinic to orthorhombic phase transition induced by charge delocalization Physics and Chemistry of Minerals 16 483-496 | 1989 | 0 | 293 | ||
0007457 | Ilvaite | Ghose S, Tsukimura K, Hatch D M (1989) Phase transitions in ilvaite, a mixed-valence iron silicate II. A single-crystal X-ray diffraction study and Landau theory of the monoclinic to orthorhombic phase transition induced by charge delocalization Physics and Chemistry of Minerals 16 483-496 | 1989 | 0 | 293 | ||
0007458 | Ilvaite | Ghose S, Tsukimura K, Hatch D M (1989) Phase transitions in ilvaite, a mixed-valence iron silicate II. A single-crystal X-ray diffraction study and Landau theory of the monoclinic to orthorhombic phase transition induced by charge delocalization Physics and Chemistry of Minerals 16 483-496 | 1989 | 0 | 293 | ||
0015644 | Ilvaite | Beran A, Bittner H (1974) Untersuchungen zur kristallchemie des ilvaits Tschermaks Mineralogische und Petrographische Mitteilungen 21 11-29 | 1974 | 0 | 293 |
CIF Raw Data - click here to close
X-Ray Powder Diffraction
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Radiation - Copper Kα
Data courtesy of RRUFF project at University of Arizona, used with permission.
Powder Diffraction Data:
d-spacing | Intensity |
---|---|
7.305 Å | (70) |
2.865 Å | (70) |
2.849 Å | (93) |
2.840 Å | (93) |
2.721 Å | (70) |
2.714 Å | (70) |
2.676 Å | (100) |
Geological Environment
Paragenetic Mode(s):
Paragenetic Mode | Earliest Age (Ga) |
---|---|
High-𝑇 alteration and/or metamorphism | |
31 : Thermally altered carbonate, phosphate, and iron formations | |
Stage 5: Initiation of plate tectonics | <3.5-2.5 |
40 : Regional metamorphism (greenschist, amphibolite, granulite facies) |
Geological Setting:
Contact metasomatic rocks and iron deposits.
Type Occurrence of Ilvaite
Co-Type Localities:
General Appearance of Type Material:
A sample collected in 1801 by Claude-Hugues Leliévre measuring 17 x 14 cm with about 50 shiny crystals.
Place of Conservation of Type Material:
Natural History Museum in Paris, inventory Nr 3.158.
Reference:
Steffens, H. (1811) Ilvait. in Vollständiges Handbuch der Oryktognosie, Erster Theil (Halle, Germany): 356-358.
Synonyms of Ilvaite
Other Language Names for Ilvaite
Relationship of Ilvaite to other Species
Member of:
Other Members of this group:
Amamoorite | CaMn2+2Mn3+(Si2O7)O(OH) | Mon. 2/m : P21/b |
Cortesognoite | CaV2(Si2O7)(OH)2 · H2O | Orth. mmm (2/m 2/m 2/m) : Cmcm |
Hennomartinite | SrMn3+2(Si2O7)(OH)2 · H2O | Orth. mmm (2/m 2/m 2/m) : Cmcm |
Itoigawaite | SrAl2(Si2O7)(OH)2 · H2O | Orth. mmm (2/m 2/m 2/m) : Cmcm |
Lawsonite | CaAl2(Si2O7)(OH)2 · H2O | Orth. mmm (2/m 2/m 2/m) : Cmcm |
Manganilvaite | CaFe2+Fe3+Mn2+(Si2O7)O(OH) | Mon. 2/m : P21/b |
Noelbensonite | BaMn3+2(Si2O7)(OH)2 · H2O | Orth. mm2 |
Common Associates
Associated Minerals Based on Photo Data:
389 photos of Ilvaite associated with Quartz | SiO2 |
119 photos of Ilvaite associated with Hedenbergite | CaFe2+Si2O6 |
112 photos of Ilvaite associated with Calcite | CaCO3 |
37 photos of Ilvaite associated with Arsenopyrite | FeAsS |
19 photos of Ilvaite associated with Siderite | FeCO3 |
17 photos of Ilvaite associated with Hematite | Fe2O3 |
15 photos of Ilvaite associated with Rhodochrosite | MnCO3 |
14 photos of Ilvaite associated with Datolite | CaB(SiO4)(OH) |
14 photos of Ilvaite associated with Fluorite | CaF2 |
13 photos of Ilvaite associated with Natanite | Fe2+[Sn(OH)6] |
Related Minerals - Strunz-mindat Grouping
9.BE. | Paralomonosovite | Na6◻4Ti4(Si2O7)2[PO3OH][PO2(OH)2]O2(OF) |
9.BE. | Cámaraite | Ba3Na(Fe2+,Mn)8Ti4(Si2O7)4O4(OH,F)7 |
9.BE. | Christofschäferite-(Ce) | Ce3CaMnTiFe(3+)Ti2(Si2O7)2O8 |
9.BE. | Bobshannonite | Na2KBa(Mn,Na)8(Nb,Ti)4(Si2O7)4O4(OH)4(O,F)2 |
9.BE. | Calciomurmanite | (Na,◻)2Ca(Ti,Mg,Nb)4[Si2O7]2O2(OH,O)2(H2O)4 |
9.BE. | Batievaite-(Y) | Y2Ca2Ti(Si2O7)2(OH)2(H2O)4 |
9.BE. | Delhuyarite-(Ce) | Ce4Mg(Fe3+,W)3◻(Si2O7)2O6(OH)2 |
9.BE.X | Asimowite | Fe2+4O(Si2O7) |
9.BE. | Moxuanxueite | NaCa6Zr(Si2O7)2OF3 |
9.BE. | Alexkuznetsovite-(Ce) | Ce2Mn(CO3)(Si2O7) |
9.BE. | Biraite-(La) | La2Fe2+(CO3)(Si2O7) |
9.BE. | Zinkgruvanite | Ba4Mn2+4Fe3+2(Si2O7)2(SO4)2O2(OH)2 |
9.BE. | Madeiraite | Na2Ca2Fe2Zr2(Si2O7)2O2F2 |
9.BE. | Bortolanite | Ca2(Ca1.5Zr0.5)Na(NaCa)Ti(Si2O7)2(OF)F2 |
9.BE. | Nacareniobsite-(Y) | Na3Ca3YNb(Si2O7)2OF3 |
9.BE. | Pilanesbergite | Na2Ca2Fe2Ti2(Si2O7)2O2F2 |
9.BE. | Alfredcasparite | Sr2TiO(Si2O7) |
9.BE.02 | Wadsleyite | Mg4O(Si2O7) |
9.BE.05 | Hennomartinite | SrMn3+2(Si2O7)(OH)2 · H2O |
9.BE.05 | Lawsonite | CaAl2(Si2O7)(OH)2 · H2O |
9.BE.05 | Noelbensonite | BaMn3+2(Si2O7)(OH)2 · H2O |
9.BE.05 | Itoigawaite | SrAl2(Si2O7)(OH)2 · H2O |
9.BE.05 | Cortesognoite | CaV2(Si2O7)(OH)2 · H2O |
9.BE.07 | Manganilvaite | CaFe2+Fe3+Mn2+(Si2O7)O(OH) |
9.BE.07 | Amamoorite | CaMn2+2Mn3+(Si2O7)O(OH) |
9.BE.10 | Suolunite | Ca2(H2Si2O7) · H2O |
9.BE.12 | Jaffeite | Ca6(Si2O7)(OH)6 |
9.BE.15 | Fresnoite | Ba2Ti(Si2O7)O |
9.BE.17 | Baghdadite | Ca6Zr2(Si2O7)2O4 |
9.BE.17 | Burpalite | Na2CaZr(Si2O7)F2 |
9.BE.17 | Cuspidine | Ca8(Si2O7)2F4 |
9.BE.17 | Hiortdahlite | Na2Ca4(Ca0.5Zr0.5)Zr(Si2O7)2OF3 |
9.BE.17 | Janhaugite | (Na,Ca)3(Mn2+,Fe2+)3(Ti,Zr,Nb)2(Si2O7)2O2(OH,F)2 |
9.BE.17 | Låvenite | Na2Ca2Mn2Zr2(Si2O7)2O2F2 |
9.BE.17 | Niocalite | (Ca,Nb)4(Si2O7)(O,OH,F)2 |
9.BE.17 | Normandite | NaCa(Mn,Fe)(Ti,Nb,Zr)(Si2O7)OF |
9.BE.17 | Wöhlerite | Na2Ca4ZrNb(Si2O7)2O3F |
9.BE.20 | Mosandrite-(Ce) | (Ca3REE)[(H2O)2Ca0.5◻0.5]Ti(Si2O7)2(OH)2(H2O)2 |
9.BE.20 | Nacareniobsite-(Ce) | Na3Ca3(Ce,REE)Nb(Si2O7)2OF3 |
9.BE.20 | Roumaite | (Ca,Na,REE,◻)7(Nb,Ti)[Si2O7]2OF3 |
9.BE.20 | Rinkite-(Y) | Na2Ca4YTi(Si2O7)2OF3 |
9.BE.22 | Götzenite | NaCa6Ti(Si2O7)2OF3 |
9.BE.22 | Hainite-(Y) | Na2Ca4(Y,REE)Ti(Si2O7)2OF3 |
9.BE.22 | Rosenbuschite | Na6Ca6Zr3Ti(Si2O7)4O2F6 |
9.BE.22 | Kochite | Na3Ca2MnZrTi(Si2O7)2OF3 |
9.BE.22 | Fogoite-(Y) | Na3Ca2Y2Ti(Si2O7)2OF3 |
9.BE.23 | Dovyrenite | Ca6Zr(Si2O7)2(OH)4 |
9.BE.25 | Barytolamprophyllite | (Ba,Na)2(Na,Ti,Fe3+)4Ti2(Si2O7)2O(OH,F) |
9.BE.25 | Ericssonite | BaMn2+2Fe3+(Si2O7)O(OH) |
9.BE.25 | Lamprophyllite | (Na,Mn2+)3(Sr,Na)2(Ti,Fe3+)3(Si2O7)2O2(OH,O,F)2 |
9.BE.25 | Ericssonite-2O | BaMn2+2Fe3+(Si2O7)O(OH) |
9.BE.25 | Seidozerite | Na4MnZr2Ti(Si2O7)2O2F2 |
9.BE.25 | Nabalamprophyllite | (BaNa)Ti2Na3Ti(Si2O7)2O2(OH)2 |
9.BE.25 | Grenmarite | Na4MnZr3(Si2O7)2O2F2 |
9.BE.25 | Schüllerite | Ba2Na(Mn,Ca)(Fe3+,Mg,Fe2+)2Ti2(Si2O7)2(O,F)4 |
9.BE.25 | Kazanskyite | BaNa3Ti2Nb(Si2O7)2O2(OH)2(H2O)4 |
9.BE.25 | Lileyite | Ba2(Na,Fe,Ca)3MgTi2(Si2O7)2O2F2 |
9.BE.25 | Emmerichite | Ba2Na(Na,Fe2+)2(Fe3+,Mg)Ti2(Si2O7)2O2F2 |
9.BE.25 | Saamite | Ba◻Na3Ti2Nb(Si2O7)2O2(OH)F(H2O)2 |
9.BE.25 | Fluorlamprophyllite | Na3(SrNa)Ti3(Si2O7)2O2F2 |
9.BE.25 | Fluorbarytolamprophyllite | (Ba,Sr)2[(Na,Fe2+)3(Ti,Mg)F2][Ti2(Si2O7)2O2] |
9.BE.27 | Murmanite | Na2Ti2(Si2O7)O2 · 2H2O |
9.BE.27 | Vigrishinite | NaZnTi4(Si2O7)2O3(OH)(H2O)4 |
9.BE.27 | Kolskyite | CaNa2Ti4(Si2O7)2O4(H2O)7 |
9.BE.27 | Selivanovaite | NaFe3+Ti4(Si2O7)2O4(H2O)4 |
9.BE.30 | Epistolite | (Na◻)Nb2Na3Ti(Si2O7)2O2(OH)2(H2O)4 |
9.BE.32 | Lomonosovite | Na5Ti2(Si2O7)(PO4)O2 |
9.BE.35 | Vuonnemite | Na11Ti4+Nb2(Si2O7)2(PO4)2O3(F,OH) |
9.BE.37 | Sobolevite | Na13Ca2Mn2Ti3(Si2O7)2(PO4)4O3F3 |
9.BE.40 | Innelite | Ba4Ti2Na(NaMn2+)Ti(Si2O7)2[(SO4)(PO4)]O2[O(OH)] |
9.BE.40 | Phosphoinnelite | Na3Ba4Ti3(Si2O7)2(PO4,SO4)2O2F |
9.BE.42 | Yoshimuraite | Ba2Mn2Ti(Si2O7)(PO4)O(OH) |
9.BE.45 | Quadruphite | Na6Na2(CaNa)2Na2Ti2Na2Ti2(Si2O7)2(PO4)4O4F2 |
9.BE.47 | Polyphite | Na5(Na4Ca2)Ti2(Si2O7)(PO4)3O2F2 |
9.BE.50 | Bornemanite | Na6BaTi2Nb(Si2O7)2(PO4)O2(OH)F |
9.BE.50 | Shkatulkalite | Na2Nb2Na3Ti(Si2O7)2O2(FO)(H2O)4(H2O)3 |
9.BE.55 | Bafertisite | Ba2Fe2+4Ti2(Si2O7)2O2(OH)2F2 |
9.BE.55 | Hejtmanite | Ba2Mn2+4Ti2(Si2O7)2O2(OH)2F2 |
9.BE.55 | Bykovaite | (Ba,Na,K)2(Na,Ti,Mn)4(Ti,Nb)2(Si2O7)2O2(H2O,F,OH)2 · 3.5H2O |
9.BE.55 | Nechelyustovite | (Ba,Sr,K)2(Na,Ti,Mn)4(Ti,Nb)2(Si2O7)2O2(O,H2O,F)2 · 4.5H2O |
9.BE.60 | Delindeite | (Na,K)2(Ba,Ca)2(Ti,Fe,Al)3(Si2O7)2O2(OH)2 · 2H2O |
9.BE.62 | Orthochevkinite | (Ce,La,Ca,Na,Th)4(Fe2+,Mg)2(Ti,Fe3+)3Si4O22 |
9.BE.62 va | Strontium Perrierite | (Ce,Sr,La,Ca)4Fe2+(Ti,Zr,Fe)2Ti2(Si2O7)2O8 |
9.BE.62 | Chevkinite-(Nd) | (Nd,REE)4(Fe2+,Mg)(Fe2+,Ti,Fe3+)2(Ti,Fe3+)2(Si2O7)2O8 ? |
9.BE.62 | Perrierite-(Nd) | Nd4MgFe3+2Ti2(Si2O7)2O8 ? |
9.BE.65 | Bussenite | Na2Ba2Fe2+Ti(Si2O7)(CO3)(OH)3F |
9.BE.67 | Jinshajiangite | BaNaFe2+4Ti2(Si2O7)2O2(OH)2F |
9.BE.67 | Perraultite | BaNaMn2+4Ti2(Si2O7)2O2(OH)2F |
9.BE.70 | Karnasurtite-(Ce) | (Ce,La,Th)(Ti,Nb)(Al,Fe)(Si2O7)(OH)4 · 3H2O |
9.BE.70 | Perrierite-(Ce) | Ce4MgFe3+2Ti2(Si2O7)2O8 |
9.BE.70 | Strontiochevkinite | (Sr,La,Ce,Ca)4Fe2+(Ti,Zr)2Ti2(Si2O7)2O8 |
9.BE.70 | Chevkinite-(Ce) | Ce4(Ti,Fe2+,Fe3+)5O8(Si2O7)2 |
9.BE.70 | Polyakovite-(Ce) | (Ce,Ca)4(Mg,Fe2+)(Cr3+,Fe3+)2(Ti,Nb)2(Si2O7)2O8 |
9.BE.70 | Rengeite | Sr4ZrTi4(Si2O7)2O8 |
9.BE.70 | Matsubaraite | Sr4Ti5(Si2O7)2O8 |
9.BE.70 | Dingdaohengite-(Ce) | (Ce,La)4Fe2+(Ti,Fe2+,Mg,Fe3+)2Ti2(Si2O7)2O8 |
9.BE.70 | Maoniupingite-(Ce) | (Ce,Ca)4(Fe3+,Ti,Fe2+,◻)(Ti,Fe3+,Fe2+,Nb)4(Si2O7)2O8 |
9.BE.70 | Perrierite-(La) | (La,Ce,Ca)4(Fe2+,Mn)(Ti,Fe3+,Al)4[(Si2O7)O4]2 |
9.BE.70 | UM2008-53-SiO:SrTiZr | Sr4ZrTi4(Si2O7)2O8 |
9.BE.70 | Hezuolinite | (Sr,REE)4Zr(Ti,Fe3+)4(Si2O7)2O8 |
9.BE.72 | Fersmanite | Ca4(Na,Ca)4(Ti,Nb)4(Si2O7)2O8F3 |
9.BE.75 | Belkovite | Ba3(Nb,Ti)6(Si2O7)2O12 |
9.BE.77 | Nasonite | Pb6Ca4(Si2O7)3Cl2 |
9.BE.80 | Kentrolite | Pb2Mn3+2(Si2O7)O2 |
9.BE.80 | Melanotekite | Pb2Fe3+2(Si2O7)O2 |
9.BE.82 | Tilleyite | Ca5(Si2O7)(CO3)2 |
9.BE.82 | Alexkuznetsovite-(La) | La2Mn(CO3)(Si2O7) |
9.BE.85 | Killalaite | Ca6.4(H0.6Si2O7)2(OH)2 |
9.BE.87 | Stavelotite-(La) | (La,Nd,Ca)3Mn2+3Cu(Mn3+,Fe3+,Mn4+)26(Si2O7)6O30 |
9.BE.90 | Biraite-(Ce) | Ce2Fe2+(Si2O7)(CO3) |
9.BE.90 | Magnesiorowlandite-(Y) | Y4(Mg,Fe)(Si2O7)2F2 |
9.BE.92 | Cervandonite-(Ce) | (Ce,Nd,La)(Fe3+,Fe2+,Ti,Al)3O2(Si2O7)(As3+O3)(OH) |
9.BE.92 | Chirvinskyite | (Na,Ca)13(Fe,Mn,◻)2(Ti,Zr)5(Si2O7)4(OH,O)12 · 2H2O |
9.BE.95 | Batisivite | BaV3+8Ti6(Si2O7)O22 |
9.BE.95 | Rusinovite | Ca10(Si2O7)3Cl2 |
9.BE.97 | Schlüterite-(Y) | (Y,REE)2AlSi2O7(OH)2F |
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.
Internet Links for Ilvaite
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References for Ilvaite
Reference List:
Localities for Ilvaite
Locality List
- 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.
All localities listed without proper references should be considered as questionable.
Albania | |
| Váczi-Lovász et al. (2024) |
Argentina | |
| Brodtkorb (2002) |
Australia | |
| Canadian Mineralogist Vol. 19 (1981) |
| Ramdohr (1950) |
| Lehrmann (2012) |
| Lehrmann (2012) |
| an example of Broken Hill-type mineralization in the eastern succession et al. (8) +3 other references |
| Plimer (1978) |
| Natural History Museum Vienna collection (collected and SXRD-analysed by Uwe Kolitsch 2/08) |
| Bottrill et al. (2008) |
Austria | |
| M. Reicht |
| Exel (1993) |
Bolivia | |
| Kempff et al. (La Paz, 2009) |
Brazil | |
| Tallarico (2002) |
Bulgaria | |
| [MinRec 22 p.439] |
Canada | |
| Peatfield (n.d.) |
| correspondance with Giles Peatfied |
| Pohlner et al. (2020) |
| Gilpin (1881) |
| Galley et al. (2000) |
Chile | |
| Maskaev et al. (2007) |
China | |
| Zhenhua Zhou et al. (2011) |
| Yiming Zhao et al. (1982) +1 other reference |
| Yiming Zhao et al. (1982) |
| Xing et al. (2022) |
Xing et al. (2021) +2 other references | |
| Dianhao Huang et al. (1991) |
| Baogui Yu and Zhanwu Liu (1991) |
| Hawthorne et al. (2002) +1 other reference |
| Dequan Zhang et al. (1991) +1 other reference |
Yunfen Lei and Dequan Zhang (1991) +2 other references | |
| Ottens et al. (2012) |
Ottens et al. (2012) | |
| Fenying Zhang et al. (2011) |
| Wang et al. (2023) |
| Jiang +7 other references |
| Guosheng Feng et al. (2006) |
| Lifei Zhang et al. (1999) |
| Pingzhi Tang et al. (2011) |
| Peng et al. (2022) |
| Chuandong Xue et al. (2008) |
Hua Huang et al. (2014) | |
Czech Republic | |
| - (n.d.) |
| Minerální a horninová asociace z ... +2 other references |
France | |
| H. Azias et al. : "Le problème du ... |
Germany | |
| Vom Rath (1871) |
Wilke (1979) | |
| Weiß (1990) |
| |
| Beyer (1978) |
| Lapis (10) |
| Gröbner J. +1 other reference |
| www.mineralienatlas.de (n.d.) |
Lapis 30 (7/8) | |
| Wittern (2001) |
Greece | |
| Frenzel (1895) +2 other references |
Christos Spiromitros specimens +1 other reference | |
Rocks & Min.: 64 (5) | |
Korosidis et al. (2022, March) | |
Greenland | |
| - (1993) +1 other reference |
Collection of NHM +2 other references | |
Lorenzen (1884) +1 other reference | |
Bøggild (1953) | |
| Böggild (1902) |
Bøggild (1953) | |
Iceland | |
| Robinson (1986) +1 other reference |
Flink (1886) | |
India | |
| Ottens et al. (2022) |
| Personal experience-Rock Currier +3 other references |
Italy | |
| www.musei.unina.it (n.d.) |
| Giuseppe Pipino - L'antica miniera di ... |
| Palenzona (1987) +1 other reference |
| AA. VV. |
Ghizzoni et al. (2005) | |
| Prete (1995) |
| |
| Stara (1990) |
| Stara et al. (1993) |
| Meloni et al. (2017) |
| Conti-Vecchi et al. (1991) |
Conti-Vecchi et al. (1991) | |
| |
Stara et al. (1996) | |
| Mair (1996) |
| De Michele (1974) |
| De Michele (1974) |
| Capperi M. |
| Dill (1979) |
Brizzi G. et al. (GR) | |
| Bazzoni C. et al. |
| Biagioni et al. (2013) |
Dini et al. (2013) | |
Nannoni R. et al. (2012) +1 other reference | |
De Michele (1974) +2 other references | |
| |
N. Calanchi et al. (1976) | |
“L' Elba e i suoi minerali : guida alla ricerca” et al. (Collana Uomonatura) +1 other reference | |
| Nannoni R. et al. (2012) |
REGIONE TOSCANA | |
| A. Hanauer |
| E. Manasse (Isola d'Elba) |
G. Gottardi | |
F. Barberi et al. | |
M. Lelièvre | |
| Dini et al. (2024) |
Japan | |
| Sadanaga et al. (1974) |
Dr. Kameki Kinoshita collection (curated at Geological Survey of Japan) | |
| Yamada (2004) |
| Matsubara et al. (1989) |
| Harada |
| Kozo Takeda collection |
| Sadanaga et al. (1974) |
Sadanaga et al. (1974) | |
| Masutomi Museum specimens +2 other references |
| Matsueda (1980) |
| Professor Takashi Kitagawa (1949-2009) +1 other reference |
| Harada et al. (1965) +1 other reference |
Harada et al. (1970) | |
| Imai (1978) |
| Dr. Kameki Kinoshita collection (curated at Geological Survey of Japan) |
Nagashima et al. (2021) | |
Sadanaga et al. (1974) | |
Wada (1904) +1 other reference | |
Kazakhstan | |
| Spiridonov (1982) |
Kosovo | |
| Féraud J. (1979) +3 other references |
Mexico | |
| Panczner (1987) |
| Querol +1 other reference |
| Levresse |
| des Rivieres |
Mr. Richard Dale. | |
| American Mineralogist 28:257-271 +1 other reference |
| Megaw (2023) |
| Fluorite: The Collector's Choice. Extra ... |
Mongolia | |
| Pavel.M. Kartashov (n.d.) |
| P. Kartashov et al. (2002) |
Kartashov P.M. et al. (Mongolian Altai) | |
Kovalenko et al. (2004) | |
Morocco | |
| Tomasz Praszkier information 2012 |
Namibia | |
| Medenbach (2001) +2 other references |
New Zealand | |
| crownminerals.med.govt.nz (2004) |
North Macedonia | |
| Strmić Palinkas et al. (2013) |
Norway | |
| Barton et al. (1984) |
| Neumann (1985) |
| Larsen et al. (2002) |
| Möller (1827) +1 other reference |
Larsen et al. (2002) | |
Larsen et al. (2002) | |
Larsen et al. (2002) | |
| Rune S. Selbekk (2010) |
Goldschmidt (1911) | |
Goldschmidt (1911) | |
Poland | |
| Mochnacka et al. (2012) |
| Lis et al. (1986) |
Lis et al. (1986) | |
Romania | |
| Hîrtopanu +1 other reference |
| Rădulescu |
| Kräutner et al. (1969) |
| www.geoecomar.ro (2015) +1 other reference |
| Hîrtopanu +2 other references |
Hîrtopanu et al. (2012) | |
Hîrtopanu et al. (2012) | |
| Clain et al. (2006) |
Russia | |
| Brusnitsyn et al. (2009) |
| Kulikov et al. (1989) |
| Gritsenko et al. (2008) +1 other reference |
| Bazai et al. (2009) |
| E. Schlichter Collection. +1 other reference |
Betts (n.d.) | |
| Grant et al. (2001) |
Grant et al. (2001) +2 other references | |
Simanenko (2006) +1 other reference | |
Grant et al. (2001) | |
Grant et al. (2001) | |
webmineral.ru (n.d.) | |
Slovakia | |
| Ďuďa |
South Africa | |
| Cairncross et al. (1995) |
| Cairncross & Dixon (1995) |
Cairncross et al. (1995) | |
| genetic implications. Economic Geology: ... +1 other reference |
S.M.C. Verryn et al (1991) | |
South Korea | |
| Choi et al. (2002) |
Spain | |
| Ruiz Garcia (1976) |
| Hîrtopanu |
| Hîrtopanu |
Sweden | |
| Wilke (1997) |
Wilke (1997) | |
Wilke (1997) | |
| Ödman (1943) |
| |
| Holtstam et al. (1999) +1 other reference |
- (2016) | |
Gatedal (n.d.) | |
Langhof (2003) | |
| Gatedal (n.d.) +1 other reference |
Gatedal (n.d.) | |
| Nysten (1984) |
Switzerland | |
| Dietrich (1972) +1 other reference |
| Volker Dietrich (1972) |
Stalder et al. (1998) | |
Hochscheid et al. (2022) | |
| Stalder et al. (1998) |
Tajikistan | |
| Badalov et al. (1976) +1 other reference |
geo.web.ru (n.d.) | |
Turkey | |
| Akinci (2009) |
UK | |
| A.W.G. Kingsbury specimen in the ... +2 other references |
| www.academia.edu (n.d.) +1 other reference |
| A.W.G. Kingsbury specimen in the ... +1 other reference |
| A.W.G. Kingsbury specimen in the ... +1 other reference |
Ukraine | |
| Biruk et al. (2012) |
USA | |
| Wilson (1977) |
| USGS PP 1760A |
| Anthony et al. (1995) |
Anthony et al. (1995) | |
| Wilson (1988) +1 other reference |
| Collected by |
| Rocks & Min. (1995) +1 other reference |
| Murdoch (1966) |
| Van Nostrand Reinholt Press: 492. +2 other references |
| Van Nostrand Reinholt Press: 388. +3 other references |
| Murdoch (1966) |
| Eckel et al. (1997) |
| Truebe (1978) |
| Ream (2004) |
- (2005) | |
Ream (2004) | |
- (2005) | |
Ream (2004) | |
- (2005) | |
Christian Bracke Collection. | |
- (2005) | |
AmMin 46:1509 | |
| Castor et al. (2004) |
| Economic Geology +4 other references |
| Castor et al. (2004) |
Castor et al. (2004) | |
Castor et al. (2004) | |
| Kent et al. (2000) |
| Minerals of the Ground Hog Mine Grant ... +2 other references |
Northrop et al. (1996) | |
New Mexico Geological Society Guidebook +2 other references | |
- (2005) | |
Econ Geol (1987) +1 other reference | |
- (2005) | |
Northrop et al. (1996) | |
| Rocks & Minerals 84:492-500 |
| Northrop et al. (1996) |
| Northrop et al. (1996) |
DeMark (1989) | |
| Lupulescu |
Jensen (1978) | |
Jensen (1978) +1 other reference | |
| Chamberlain et al. (2023) |
| Wood (1979) +1 other reference |
| Hotz (1953) +1 other reference |
| Miller (1972) |
Miller (1971) |
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Serifos Island, Milos, South Aegean, Greece