Aspidolite
A valid IMA mineral species - grandfathered
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About Aspidolite
Formula:
NaMg3(AlSi3O10)(OH)2
Colour:
Light brown, white, greenish red
Hardness:
2 - 3
Specific Gravity:
2.885 (Calculated)
Crystal System:
Monoclinic
Member of:
Name:
Named in 1869 by Franz von Kobell from the Greek ασπίδα ("aspida"), "a shield", and λίθος ("lithos"), "stone", alluding to the appearance of its crystals (Zillertal). First formal description was by Banno et al. in (2005).
Unique Identifiers
Mindat ID:
27494
Long-form identifier:
mindat:1:1:27494:8
GUID
(UUID V4):
(UUID V4):
82bb2c71-b62b-48c4-8c68-9baca8e0b550
IMA Classification of Aspidolite
Approved, 'Grandfathered' (first described prior to 1959)
IMA Formula:
NaMg3(Si3Al)O10(OH)2
Approval year:
2004
Classification of Aspidolite
9.EC.20
9 : SILICATES (Germanates)
E : Phyllosilicates
C : Phyllosilicates with mica sheets, composed of tetrahedral and octahedral nets
9 : SILICATES (Germanates)
E : Phyllosilicates
C : Phyllosilicates with mica sheets, composed of tetrahedral and octahedral nets
Dana 7th ed.:
71.2.2.13
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 |
---|---|---|
Asp | IMA–CNMNC | Warr, L.N. (2021). IMA–CNMNC approved mineral symbols. Mineralogical Magazine, 85(3), 291-320. doi:10.1180/mgm.2021.43 |
Asp | The Canadian Mineralogist (2019) | The Canadian Mineralogist (2019) The Canadian Mineralogist list of symbols for rock- and ore-forming minerals (December 30, 2019). download |
Asp | Warr (2020) | Warr, L.N. (2020) Recommended abbreviations for the names of clay minerals and associated phases. Clay Minerals, 55, 261–264 doi:10.1180/clm.2020.30 |
Physical Properties of Aspidolite
Colour:
Light brown, white, greenish red
Streak:
White
Hardness:
2 - 3 on Mohs scale
Tenacity:
Elastic
Cleavage:
Perfect
(001)
(001)
Density:
2.885 g/cm3 (Calculated)
Optical Data of Aspidolite
Type:
Biaxial (-)
Pleochroism:
Visible
Comments:
X = colourless with yellowish tint and
Y = Z = pale yellowish brown
Y = Z = pale yellowish brown
Chemistry of Aspidolite
Mindat Formula:
NaMg3(AlSi3O10)(OH)2
Crystallography of Aspidolite
Crystal System:
Monoclinic
Class (H-M):
2/m - Prismatic
Space Group:
B2/m
Setting:
C2/m
Cell Parameters:
a = 5.291 Å, b = 9.16 Å, c = 10.12 Å
β = 105.1°
β = 105.1°
Ratio:
a:b:c = 0.578 : 1 : 1.105
Unit Cell V:
473.54 ų (Calculated from Unit Cell)
Z:
2
Comment:
. Aspidolite-1M is monoclinic, space group C2/m and Z = 2; aspidolite-1A is triclinic, space group C1Å and Z = 2
X-Ray Powder Diffraction
Powder Diffraction Data:
d-spacing | Intensity |
---|---|
9.77 Å | (100) |
4.59 Å | (25) |
3.26 Å | (50) |
2.61 Å | (100) |
2.55 Å | (25) |
2.45 Å | (20) |
2.19 Å | (20) |
Comments:
From type description
Geological Environment
Paragenetic Mode(s):
Paragenetic Mode | Earliest Age (Ga) |
---|---|
Stage 2: Planetesimal differentiation and alteration | 4.566-4.550 |
6 : Secondary asteroid phases | 4.566-4.560 |
Stage 3a: Earth’s earliest Hadean crust | >4.50 |
7 : Ultramafic igneous rocks | |
Stage 4b: Highly evolved igneous rocks | >3.0 |
36 : Carbonatites, kimberlites, and related igneous rocks | |
Stage 5: Initiation of plate tectonics | <3.5-2.5 |
40 : Regional metamorphism (greenschist, amphibolite, granulite facies) |
Geological Setting:
were also found in igneous rocks. They occur as inclusions in chromites of mafic layered intrusions and ophiolite complexes
Type Occurrence of Aspidolite
Co-Type Localities:
General Appearance of Type Material:
Interleaved with phlogopite.
Place of Conservation of Type Material:
The type specimens of aspidolite have been deposited at the Geological Museum, Geological Survey of Japan, AIST, Tsukuba, under the registered number GSJ M35151-4 and
National Science Museum, Tokyo, under thecatalogue no. NSM-28719.
National Science Museum, Tokyo, under thecatalogue no. NSM-28719.
Geological Setting of Type Material:
Contact aureole.
Associated Minerals at Type Locality:
Synonyms of Aspidolite
Other Language Names for Aspidolite
Japanese:ソーダ金雲母
Relationship of Aspidolite to other Species
Member of:
Other Members of this group:
Balestraite | KLi2V5+Si4O12 | Mon. 2 : B2 |
Biotite | K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 | |
Ephesite | NaLiAl2(Al2Si2O10)(OH)2 | Tric. 1 : P1 |
Garmite | CsLiMg2(Si4O10)F2 | Mon. |
Hendricksite | KZn3(Si3Al)O10(OH)2 | Mon. 2/m : B2/m |
Kreiterite | CsLi2Fe3+(Si4O10)F2 | Mon. |
Lepidolite | A Li-rich mica in, or close to, the so-called Polylithionite-Trilithionite series. | Mon. |
Masutomilite | (K,Rb)(Li,Mn3+,Al)3(AlSi3O10)(F,OH)2 | Mon. 2 : B2 |
Norrishite | KLiMn3+2(Si4O10)O2 | Mon. 2/m : B2/m |
Orlovite | KLi2Ti(Si4O10)OF | Mon. 2 : B2 |
Polylithionite | KLi2Al(Si4O10)(F,OH)2 | Mon. 2/m : B2/b |
Preiswerkite | NaMg2Al(Al2Si2O10)(OH)2 | Mon. 2/m : B2/b |
Shirokshinite | K(NaMg2)(Si4O10)F2 | Mon. 2/m : B2/m |
Shirozulite | KMn2+3(Si3Al)O10(OH)2 | Mon. 2/m : B2/m |
Sokolovaite | CsLi2Al(Si4O10)F2 | Mon. |
Suhailite | (NH4)Fe2+3(AlSi3O10)(OH)2 | Mon. 2/m : B2/m |
Tainiolite | KLiMg2(Si4O10)F2 | Mon. 2/m : B2/m |
Trilithionite | K(Li1.5Al1.5)(AlSi3O10)(F,OH)2 | Mon. 2/m : B2/b |
Wonesite | (Na,K)(Mg,Fe,Al)6((Al,Si)4O10)2(OH,F)4 | Mon. 2/m : B2/m |
Zinnwaldite | Mica Group. |
Related Minerals - Strunz-mindat Grouping
9.EC. | Balestraite | KLi2V5+Si4O12 |
9.EC. | Meifuite | KFe6(Si7Al)O19(OH)4Cl2 |
9.EC.05 | Minnesotaite | Fe2+3Si4O10(OH)2 |
9.EC.05 | Talc | Mg3Si4O10(OH)2 |
9.EC.05 | Willemseite | Ni3Si4O10(OH)2 |
9.EC.9.EC. | Voloshinite | Rb(LiAl1.5◻0.5)(Al0.5Si3.5)O10F2 |
9.EC.10 | Ferripyrophyllite | Fe3+Si2O5(OH) |
9.EC.10 | Pyrophyllite | Al2Si4O10(OH)2 |
9.EC.10 | Luanshiweiite | KLiAl1.5(Si3.5Al0.5)O10(OH)2 |
9.EC.10 | Fluorluanshiweiite | KLiAl1.5(Si3.5Al0.5)O10F2 |
9.EC.10 | Manganiceladonite | K(MgMn3+◻)(Si4O10)(OH)2 |
9.EC.10 | Garmite | CsLiMg2(Si4O10)F2 |
9.EC.10 | Gorbunovite | CsLi2(Ti,Fe)Si4O10(F,OH,O)2 |
9.EC.15 | Boromuscovite | KAl2(BSi3O10)(OH)2 |
9.EC.15 | Celadonite | K(MgFe3+◻)(Si4O10)(OH)2 |
9.EC.15 | Chernykhite | (Ba,Na)(V3+,Al,Mg)2((Si,Al)4O10)(OH)2 |
9.EC.15 | Montdorite | (K,Na)2(Fe2+,Mn2+,Mg)5(Si4O10)2(OH,F)4 |
9.EC.15 | Muscovite | KAl2(AlSi3O10)(OH)2 |
9.EC.15 | Nanpingite | CsAl2(AlSi3O10)(OH,F)2 |
9.EC.15 | Paragonite | NaAl2(AlSi3O10)(OH)2 |
9.EC.15 | Roscoelite | K(V3+,Al)2(AlSi3O10)(OH)2 |
9.EC.15 | Tobelite | (NH4,K)Al2(AlSi3O10)(OH)2 |
9.EC.15 | Aluminoceladonite | K(MgAl◻)(Si4O10)(OH)2 |
9.EC.15 | Chromphyllite | K(Cr,Al)2(AlSi3O10)(OH,F)2 |
9.EC.15 | Ferroaluminoceladonite | K(Fe2+Al◻)(Si4O10)(OH)2 |
9.EC.15 | Ferroceladonite | K(Fe2+Fe3+◻)(Si4O10)(OH)2 |
9.EC.15 | Chromceladonite | K(MgCr◻)(Si4O10)(OH)2 |
9.EC.15 | Tainiolite | KLiMg2(Si4O10)F2 |
9.EC.15 | Ganterite | (Ba,Na,K)(Al,Mg)2(AlSi3O10)(OH)2 |
9.EC.15 | UM1988-22-SiO:AlCaFFeHKLiMg | KLiMgAl2Si3O10F2 |
9.EC.15 | Kreiterite | CsLi2Fe3+(Si4O10)F2 |
9.EC.20 | Annite | KFe2+3(AlSi3O10)(OH)2 |
9.EC.20 | Ephesite | NaLiAl2(Al2Si2O10)(OH)2 |
9.EC.20 | Hendricksite | KZn3(Si3Al)O10(OH)2 |
9.EC.20 | Masutomilite | (K,Rb)(Li,Mn3+,Al)3(AlSi3O10)(F,OH)2 |
9.EC.20 | Norrishite | KLiMn3+2(Si4O10)O2 |
9.EC.20 | Phlogopite | KMg3(AlSi3O10)(OH)2 |
9.EC.20 | Polylithionite | KLi2Al(Si4O10)(F,OH)2 |
9.EC.20 | Preiswerkite | NaMg2Al(Al2Si2O10)(OH)2 |
9.EC.20 | Siderophyllite | KFe2+2Al(Al2Si2O10)(OH)2 |
9.EC.20 | Tetraferriphlogopite | KMg3(Fe3+Si3O10)(OH,F)2 |
9.EC.20 | Fluorotetraferriphlogopite | KMg3(Fe3+Si3O10)F2 |
9.EC.20 | Wonesite | (Na,K)(Mg,Fe,Al)6((Al,Si)4O10)2(OH,F)4 |
9.EC.20 | Eastonite | KMg2Al(Al2Si2O10)(OH)2 |
9.EC.20 | Tetraferriannite | KFe2+3(Si3Fe3+)O10(OH)2 |
9.EC.20 | Trilithionite | K(Li1.5Al1.5)(AlSi3O10)(F,OH)2 |
9.EC.20 | Fluorannite | KFe2+3(Si3Al)O10F2 |
9.EC.20 | Shirokshinite | K(NaMg2)(Si4O10)F2 |
9.EC.20 | Shirozulite | KMn2+3(Si3Al)O10(OH)2 |
9.EC.20 | Sokolovaite | CsLi2Al(Si4O10)F2 |
9.EC.20 | Fluorophlogopite | KMg3(Si3Al)O10F2 |
9.EC.20 | UM2004-49-SiO:AlCsFHKLi | (Cs,K)(Al,Li)2.6((Si,Al)4O10)(F,OH)2 |
9.EC.20 | Suhailite | (NH4)Fe2+3(AlSi3O10)(OH)2 |
9.EC.20 | Yangzhumingite | KMg2.5(Si4O10)F2 |
9.EC.20 | Orlovite | KLi2Ti(Si4O10)OF |
9.EC.20 | Oxyphlogopite | K(Mg,Ti,Fe)3[(Si,Al)4O10](O,F)2 |
9.EC.20 | Chloroferrokinoshitalite | (Ba,K)(Fe2+,Mg)3(Al2Si2O10)(Cl,OH,F)2 |
9.EC.22 | Pimelite | Ni3Si4O10(OH)2 · 4H2O |
9.EC.30 | Chlorophaeite | (Ca,Mg,Fe)2Fe2Si4O13 · 10H2O |
9.EC.30 | Margarite | CaAl2(Al2Si2O10)(OH)2 |
9.EC.35 | Anandite | (Ba,K)(Fe2+,Mg)3((Si,Al,Fe)4O10)(S,OH)2 |
9.EC.35 | Bityite | CaLiAl2(AlBeSi2O10)(OH)2 |
9.EC.35 | Clintonite | CaAlMg2(SiAl3O10)(OH)2 |
9.EC.35 | Kinoshitalite | (Ba,K)(Mg,Mn2+,Al)3(Al2Si2O10)(OH)2 |
9.EC.35 | Ferrokinoshitalite | (Ba,K)(Fe2+,Mg)3(Al2Si2O10)(OH,F)2 |
9.EC.35 | Oxykinoshitalite | (Ba,K)(Mg,Ti,Fe3+,Fe2+)3((Si,Al)4O10)(O,OH,F)2 |
9.EC.35 | Fluorokinoshitalite | BaMg3(Al2Si2O10)F2 |
9.EC.40 | Beidellite | (Na,Ca0.5)0.3Al2((Si,Al)4O10)(OH)2 · nH2O |
9.EC.40 | Kurumsakite | (Zn,Ni,Cu)8Al8V5+2Si5O35 · 27H2O (?) |
9.EC.40 | Montmorillonite | (Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O |
9.EC.40 | Nontronite | Na0.3Fe2((Si,Al)4O10)(OH)2 · nH2O |
9.EC.40 | Volkonskoite | Ca0.3(Cr,Mg,Fe)2((Si,Al)4O10)(OH)2 · 4H2O |
9.EC.40 | Yakhontovite | (Ca,Na)0.5(Cu,Fe,Mg)2(Si4O10)(OH)2 · 3H2O |
9.EC.45 | Hectorite | Na0.3(Mg,Li)3(Si4O10)(F,OH)2 |
9.EC.45 | Saponite | Ca0.25(Mg,Fe)3((Si,Al)4O10)(OH)2 · nH2O |
9.EC.45 | Sauconite | Na0.3Zn3((Si,Al)4O10)(OH)2 · 4H2O |
9.EC.45 | Spadaite | MgSiO2(OH)2 · H2O (?) |
9.EC.45 | Stevensite | (Ca,Na)xMg3-x(Si4O10)(OH)2 |
9.EC.45 | Swinefordite | Li(Al,Li,Mg)3((Si,Al)4O10)2(OH,F)4 · nH2O |
9.EC.45 | Zincsilite | Zn3Si4O10(OH)2 · 4H2O (?) |
9.EC.45 | Ferrosaponite | Ca0.3(Fe2+,Mg,Fe3+)3((Si,Al)4O10)(OH)2 · 4H2O |
9.EC.45 | Hanjiangite | Ba2CaV3+Al(H2AlSi3O12)(CO3)2F |
9.EC.50 | Vermiculite | Mg0.7(Mg,Fe,Al)6(Si,Al)8O20(OH)4 · 8H2O |
9.EC.52 | Tarasovite | near NaKAl11Si13O40(OH)9 · 3H2O |
9.EC.55 | Baileychlore | (Zn,Fe2+,Al,Mg)6(Si,Al)4O10(OH)8 |
9.EC.55 | Chamosite | (Fe2+)5Al(Si,Al)4O10(OH,O)8 |
9.EC.55 | Clinochlore | Mg5Al(AlSi3O10)(OH)8 |
9.EC.55 | Cookeite | (LiAl4◻)[AlSi3O10](OH)8 |
9.EC.55 | Franklinfurnaceite | Ca2Fe3+Mn2+3Mn3+(Zn2Si2O10)(OH)8 |
9.EC.55 | Gonyerite | (Mn2+,Mg)5Fe3+(Fe3+Si3O10)(OH)8 |
9.EC.55 | Nimite | (Ni,Mg,Al)6((Si,Al)4O10)(OH)8 |
9.EC.55 | Orthochamosite | (Fe2+,Mg,Fe3+)5Al(AlSi3O10)(OH,O)8 |
9.EC.55 | Pennantite | Mn2+5Al(AlSi3O10)(OH)8 |
9.EC.55 | Sudoite | Mg2Al3(Si3Al)O10)(OH)8 |
9.EC.55 | Donbassite | Al4.33(Si3Al)O10(OH)8 |
9.EC.55 | Glagolevite | Na(Mg,Al)6(AlSi3O10)(OH,O)8 |
9.EC.55 | Borocookeite | (LiAl4◻)[BSi3O10](OH)8 |
9.EC.60 | Aliettite | Ca0.2Mg6((Si,Al)8O20)(OH)4 · 4H2O |
9.EC.60 | Corrensite | (Mg,Fe)9((Si,Al)8O20)(OH)10 · nH2O |
9.EC.60 | Dozyite | Mg7Al2(Al2Si4O15)(OH)12 |
9.EC.60 | Hydrobiotite | K(Mg,Fe2+)6((Si,Al)8O20)(OH)4 · nH2O |
9.EC.60 | Karpinskite | (Ni,Mg)2Si2O5(OH)2 (?) |
9.EC.60 | Kulkeite | Mg8Al(AlSi7O20)(OH)10 |
9.EC.60 | Lunijianlaite | Li0.7Al6.2(AlSi7O20)(OH,O)10 |
9.EC.60 | Rectorite | (Na,Ca)Al4((Si,Al)8O20)(OH)4 · 2H2O |
9.EC.60 | Saliotite | (Li,Na)Al3(AlSi3O10)(OH)5 |
9.EC.60 | Tosudite | Na0.5(Al,Mg)6((Si,Al)8O18)(OH)12 · 5H2O |
9.EC.60 | Brinrobertsite | Na0.3Al4(Si4O10)2(OH)4 · 3.5 H2O |
9.EC.65 | Macaulayite | (Fe,Al)24Si4O43(OH)2 |
9.EC.70 | Burckhardtite | Pb2(Fe3+Te6+)[AlSi3O8]O6 |
9.EC.75 | Ferrisurite | (Pb,Ca)2.4Fe3+2(Si4O10)(CO3)1.7(OH)3 · nH2O |
9.EC.75 | Surite | (Pb,Ca)3(Al,Fe2+,Mg)2((Si,Al)4O10)(CO3)2(OH)2 |
9.EC.75 | Niksergievite | (Ba,Ca)2Al3(AlSi3O10)(CO3)(OH)6 · nH2O |
9.EC.80 | Kegelite | Pb8Al4(Si8O20)(SO4)2(CO3)4(OH)8 |
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 Aspidolite
mindat.org URL:
https://www.mindat.org/min-27494.html
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References for Aspidolite
Reference List:
Localities for Aspidolite
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.
Algeria | |
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Angola | |
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Austria (TL) | |
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Canada | |
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Chile | |
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China | |
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Europe | |
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Japan (TL) | |
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Kazakhstan | |
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New Zealand | |
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Pakistan | |
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Russia | |
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Vietnam | |
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Kasuga mine, Ibigawa-cho, Ibi District, Gifu Prefecture, Japan