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Litidionite

A valid IMA mineral species - grandfathered
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06153440014946681066692.jpg
Litidionite

Somma-Vesuvius Complex, Naples, Campania, Italy
05484930014977430306940.jpg
Litidionite

Somma-Vesuvius Complex, Naples, Campania, Italy
08597460014946681037187.jpg
Litidionite, etc.

Mount Vesuvius, Somma-Vesuvius Complex, Naples, Campania, Italy
06153440014946681066692.jpg
Litidionite

Somma-Vesuvius Complex, Naples, Campania, Italy
09716410014947067078846.jpg
Litidionite

Somma-Vesuvius Complex, Naples, Campania, Italy
01215190014961335361339.jpg
Litidionite, etc.

Mount Vesuvius, Somma-Vesuvius Complex, Naples, Campania, Italy
06153440014946681066692.jpg
Litidionite

Somma-Vesuvius Complex, Naples, Campania, Italy
05484930014977430306940.jpg
Litidionite

Somma-Vesuvius Complex, Naples, Campania, Italy
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About LitidioniteHide

Formula:
CuNaKSi4O10
Hardness:
5 - 6
Specific Gravity:
2.75
Crystal System:
Triclinic
Name:
From the Greek for "pebble". Formerly called lithiodionite; renamed in 2014 (IMA 14-C) in agreement with its original spelling.
This page provides mineralogical data about Litidionite.


Unique IdentifiersHide

Mindat ID:
2422
Long-form identifier:
mindat:1:1:2422:4
GUID
(UUID V4):
cb9ad89a-bc4e-40cd-b84b-3eecbc79b06c

IMA Classification of LitidioniteHide

IMA status:
Approved, 'Grandfathered' (first described prior to 1959)
IMA Formula:
KNaCuSi4O10
First published:
1880
Type description reference:
Scacchi, E. (1880) Lapilli azzurri del Vesuvio. Atti della Regia Accademia delle Scienze Fisiche e Matematiche di Napoli: 19: 175-179.

Classification of LitidioniteHide

Strunz-mindat (2024):
9.DG.70

9 : SILICATES (Germanates)
D : Inosilicates
G : Inosilicates with 3-periodic single and multiple chains
Dana 8th ed.:
70.1.1.1

70 : INOSILICATES Column or Tube Structures
1 : Column or Tube Structures with columnar silicate units
Hey's CIM Ref.:
14.2.6

14 : Silicates not Containing Aluminum
2 : Silicates of Cu

Mineral SymbolsHide

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

SymbolSourceReference
LtdIMA–CNMNCWarr, L.N. (2021). IMA–CNMNC approved mineral symbols. Mineralogical Magazine, 85(3), 291-320. doi:10.1180/mgm.2021.43

Physical Properties of LitidioniteHide

Hardness:
5 - 6 on Mohs scale
Density:
2.75 g/cm3 (Measured)    2.85 g/cm3 (Calculated)

Optical Data of LitidioniteHide

Type:
Biaxial (-)
RI values:
nα = 1.548 nβ = 1.574
2V:
Measured: 56°
Max Birefringence:
δ = 1.548
Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.
Surface Relief:
Low
Dispersion:
none

Chemistry of LitidioniteHide

Mindat Formula:
CuNaKSi4O10
Elements listed:
Cu, K, Na, O, Si - search for minerals with similar chemistry
Common Impurities:
Fe,Pb,Ca

Crystallography of LitidioniteHide

Crystal System:
Triclinic
Class (H-M):
1 - Pinacoidal
Space Group:
P1
Cell Parameters:
a = 9.80(1) Å, b = 8.01(1) Å, c = 6.97(1) Å
α = 114.12(8)°, β = 99.52(6)°, γ = 105.59(8)°
Ratio:
a:b:c = 1.223 : 1 : 0.87
Unit Cell V:
456.81 ų (Calculated from Unit Cell)
Z:
2

Crystal StructureHide

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IDSpeciesReferenceLinkYearLocalityPressure (GPa)Temp (K)
0000464LitidionitePozas J M M, Rossi G, Tazzoli V (1975) Re-examination and crystal structure analysis of litidionite American Mineralogist 60 471-47419750293
0019812LitidioniteBrandao P, Rocha J, Reis M S, dos Santos A M, Jin R (2009) Magnetic properties of KNaMSi4O10 compounds (M=Mn,Fe,Cu) Journal of Solid State Chemistry 182 253-2582009synthetic0293
CIF Raw Data - click here to close

X-Ray Powder DiffractionHide

Powder Diffraction Data:
d-spacingIntensity
6.75 Å(35)
3.652 Å(18)
3.372 Å(100)
3.223 Å(75)
2.675 Å(37)
2.409 Å(85)

Type Occurrence of LitidioniteHide

Type Locality:
ⓘ Mount Vesuvius, Somma-Vesuvius Complex, Naples, Campania, Italy
General Appearance of Type Material:
Very tiny blue plates.
Place of Conservation of Type Material:
Natural History Museum, Paris, France, 99.788.
Geological Setting of Type Material:
In lapilli modified by fumarolic activity.
Associated Minerals at Type Locality:
WollastoniteTridymite
Reference:
Scacchi, E. (1880) Lapilli azzurri del Vesuvio. Atti della Regia Accademia delle Scienze Fisiche e Matematiche di Napoli: 19: 175-179.
Download:
https://rruff.info/rruff_1.0/uploads/RDADSFM19_175.pdf

Synonyms of LitidioniteHide

Other Language Names for LitidioniteHide

Relationship of Litidionite to other SpeciesHide

Member of:
Litidionite Group
Other Members of this group:
CalcinaksiteKNaCa(Si4O10) · H2OTric. 1 : P1
EnricofrancoiteKNaCaSi4O10Tric. 1 : P1
Fenaksite(K,Na)4(Fe,Mn)2(Si4O10)2(OH,F)Tric. 1 : P1
ManaksiteKNaMnSi4O10Tric. 1 : P1

Common AssociatesHide

Associated Minerals Based on Photo Data:
1 photo of Litidionite associated with TridymiteSiO2

Related Minerals - Strunz-mindat GroupingHide

9.DG.CalcinaksiteKNaCa(Si4O10) · H2OTric. 1 : P1
9.DG.Barrydawsonite-(Y)Na1.5Y0.5CaSi3O8(OH)Mon. 2/m : P21/b
9.DG.ParatobermoriteCa4(Al0.5Si0.5)2Si4O16(OH)(H2O)2 · (Ca · 3H2O)Mon. 2/m
9.DG.EnricofrancoiteKNaCaSi4O10Tric. 1 : P1
9.DG.AlvesiteNaKZrSi6O15 · 2H2OOrth. mmm (2/m 2/m 2/m)
9.DG.02SteedeiteNaMn2[Si3BO9](OH)2Tric. 1 : P1
9.DG.02NolzeiteNaMn2[Si3BO9](OH)2 · 2H2OTric. 1 : P1
9.DG.05BustamiteCaMn2+(Si2O6)Tric. 1 : P1
9.DG.05FerrobustamiteCaFe2+(Si2O6)Tric. 1
9.DG.05PectoliteNaCa2Si3O8(OH)Tric. 1 : P1
9.DG.05SeranditeNaMn2+2Si3O8(OH)Tric. 1 : P1
9.DG.05WollastoniteCa3(Si3O9)Tric. 1 : P1
9.DG.05Wollastonite-1ACaSiO3Tric. 1 : P1
9.DG.05TanohataiteLiMn2Si3O8(OH)Tric. 1 : P1
9.DG.05SchizoliteNaCaMnSi3O8(OH)Tric. 1 : P1
9.DG.05MurakamiiteLiCa2Si3O8(OH)Tric. 1 : P1
9.DG.05DalnegorskiteCa5Mn(Si3O9)2Tric. 1 : P1
9.DG.07CascanditeCaScSi3O8(OH)Tric. 1
9.DG.08Plombièrite[Ca4Si6O16(OH)2 · 2H2O] · (Ca · 5H2O)Orth.
9.DG.10Clinotobermorite[Ca4Si6O17 · 2H2O] · (Ca · 3H2O)Mon.
9.DG.10RiversideiteCa5(HSi3O9)2 · 2H2OOrth.
9.DG.10TobermoriteCa4Si6O17(H2O)2 · (Ca · 3H2O)Mon. 2 : P21
9.DG.12JusiteNa2Ca15Al4Si16O54 · 17H2O
9.DG.12KenotobermoriteCa4Si6O15(OH)2(H2O)2 · 3H2OMon.
9.DG.15FoshagiteCa4(Si3O9)(OH)2Tric. 1 : P1
9.DG.20JenniteCa9(Si3O9)2(OH)8 · 8H2OTric. 1 : P1
9.DG.20KameneviteK2TiSi3O9 · H2OOrth. 2 2 2 : P21 21 21
9.DG.25ParaumbiteK3Zr2H(Si3O9)2 · nH2OOrth. mm2
9.DG.25UmbiteK2(Zr,Ti)Si3O9 · H2OOrth. 2 2 2 : P21 21 21
9.DG.30SørenseniteNa4SnBe2Si6O16(OH)4Mon. 2/m : B2/b
9.DG.32Escheite Ca2NaMnTi5[Si12O34]O2(OH)3 · 12H2OOrth. mm2 : Ama2
9.DG.35XonotliteCa6(Si6O17)(OH)2Mon. 2/m : B2/m
9.DG.40HillebranditeCa2(SiO3)(OH)2Orth. mmm (2/m 2/m 2/m) : Cmcm
9.DG.45ZoriteNa8(Ti,Nb)5(Si6O17)2(OH,O)5 · 14H2OOrth.
9.DG.45ChivruaiiteCa4(Ti,Nb)5(Si6O17)2(OH,O)5 · 13-14H2OOrth. mmm (2/m 2/m 2/m) : Cmmm
9.DG.50Haineaultite(Na,Ca)5Ca(Ti,Nb)5(Si6O17)2(OH,F)8 · 5H2OOrth. 2 2 2 : C2 2 2
9.DG.55EpididymiteNa2Be2Si6O15 · H2OOrth. mmm (2/m 2/m 2/m) : Pnma
9.DG.60EudidymiteNa2Be2Si6O15 · H2OMon. 2/m : B2/b
9.DG.65ElpiditeNa2ZrSi6O15 · 3H2OOrth.
9.DG.65PatyniteNaKCa4[Si9O23]Tric. 1 : P1
9.DG.67WhelaniteCu2+2Ca6[Si6O17(OH)](CO3)(OH)3 · 2H2OOrth. mm2 : Pnn2
9.DG.70Fenaksite(K,Na)4(Fe,Mn)2(Si4O10)2(OH,F)Tric. 1 : P1
9.DG.70ManaksiteKNaMnSi4O10Tric. 1 : P1
9.DG.70YusupoviteNa2Zr(Si6O15) · 2.5H2OMon. 2/m : B2/m
9.DG.75TinaksiteK2Na(Ca,Mn2+)2TiO[Si7O18(OH)]Tric.
9.DG.75TokkoiteK2Ca4[Si7O18(OH)](OH,F)Tric.
9.DG.75SenkevichiteCsKNaCa2TiO[Si7O18](OH)Tric. 1 : P1
9.DG.80CanasiteK3Na3Ca5Si12O30(OH)4Mon. m : Bm
9.DG.80FluorcanasiteK3Na3Ca5Si12O30F4 · H2OMon. m : Bm
9.DG.85MiseriteK1.5-x(Ca,Y,REE)5(Si6O15)(Si2O7)(OH,F)2 · yH2OTric.
9.DG.90FrankameniteK3Na3Ca5(Si12O30)(F,OH)4 · H2OTric. 1 : P1
9.DG.92Charoite(K,Sr)15-16(Ca,Na)32[Si6O11(O,OH)6]2[Si12O18(O,OH)12]2[Si17O25(O,OH)18]2(OH,F)4 · ~3H2OMon. 2/m : P21/m
9.DG.95YuksporiteK4(Ca,Na)14(Sr,Ba)2(◻,Mn,Fe)(Ti,Nb)4(O,OH)4(Si6O17)2(Si2O7)3(H2O,OH)3Mon. 2/m : P21/m
9.DG.97Eveslogite(Na,K,Ca,Sr,Ba)48 [(Ti,Nb,Mn,Fe2+)12Si48O144(OH)12](F,OH,Cl)14Mon. 2/m : P2/m

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 LitidioniteHide

References for LitidioniteHide

Localities for LitidioniteHide

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 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 (TL)
 
  • Campania
    • Naples
      • Somma-Vesuvius Complex
Pozas et al. (1975) +1 other reference
Russo et al. (2004)
Russia
 
  • Kamchatka Krai
    • Milkovsky District
      • Tolbachik Volcanic field
        • Great Fissure eruption (Main Fracture)
          • Northern Breakthrough (North Breach)
            • Second scoria cone
Sidorov (2019) +1 other reference
USA
 
  • Nevada
    • Lander County
      • North Battle Mountain Mining District
        • Snowstorm mine (Mountain View mine)
Castor et al. (2004)
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