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Yoshiokaite

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Formula:
(Ca,Na)[Al(Al,Si)O4]
Colour:
Colourless (white?)
Lustre:
Vitreous
Crystal System:
Trigonal
Name:
Named after Takashi Yoshioka (1935-1983), mineralogist, Nihon Cement Company (Japan).
Compare Unnamed (Ca-Al-(Si) oxide I), Unnamed (Ca-Al-(Si) oxide II), Unnamed (Ca-Al-(Si) oxide III), Unnamed (Ca-Al-(Si) oxide IV) and Unnamed (Ca-Al-Si oxide) - terrestrial phases also connected with high pressures.

Present as shocked crystal fragments and within devitrifed glasses in lunar regolith breccia. The glass may be due to shock melting of anorthite on ancient lunar highlands.

Metastable.


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Classification of YoshiokaiteHide

Approved
Approval year:
1989
First published:
1990
9.FA.05

9 : SILICATES (Germanates)
F : Tektosilicates without zeolitic H2O
A : Tektosilicates without additional non-tetrahedral anions
76.2.1.6

76 : TECTOSILICATES Al-Si Framework
2 : Al-Si Framework Feldspathoids and related species
16.9.3

16 : Silicates Containing Aluminum and other Metals
9 : Aluminosilicates of Ca

Physical Properties of YoshiokaiteHide

Vitreous
Transparency:
Transparent
Colour:
Colourless (white?)
Comment:
Semitransparent
Streak:
White
Cleavage:
Poor/Indistinct
{101}

Optical Data of YoshiokaiteHide

Type:
Uniaxial (+)
RI values:
nω = 1.560 - 1.580 nε = 1.620 - 1.640
Max Birefringence:
δ = 0.060
Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.
Surface Relief:
Moderate

Chemical Properties of YoshiokaiteHide

Formula:
(Ca,Na)[Al(Al,Si)O4]
IMA Formula:
Ca1-x(Al,Si)2O4
Common Impurities:
Ti,Fe,Mg,Na,K

Crystallography of YoshiokaiteHide

Crystal System:
Trigonal
Class (H-M):
3 - Rhombohedral
Space Group:
P3
Cell Parameters:
a = 9.939 Å, c = 8.245 Å
Ratio:
a:c = 1 : 0.83
Unit Cell V:
705.35 ų (Calculated from Unit Cell)
Comment:
space group not sure

Crystal StructureHide

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IDSpeciesReferenceLinkYearLocalityPressure (GPa)Temp (K)
0001330YoshiokaiteSteele I M, Pluth J J (1990) Crystal structure of synthetic yoshiokaite, a stuffed derivative of the tridymite structure American Mineralogist 75 1186-119119900293
CIF Raw Data - click here to close

X-Ray Powder DiffractionHide

Powder Diffraction Data:
d-spacingIntensity
8.57 Å(100)
2.979 Å(91)
3.718 Å(79)
2.871 Å(78)
1.158 Å(51)
2.062 Å(41)
4.123 Å(36)

Type Occurrence of YoshiokaiteHide

General Appearance of Type Material:
strongly fractured, angular, anhedral crystals, up to 235 microns in size; likely shock-induced sets of {201} and {200} lamellae
Place of Conservation of Type Material:
A part of regolith breccia 14076, is supervised by the lunar sample curator, NASA Johnson Space Center, Houston, Texas.
Geological Setting of Type Material:
lunar regolith breccia (near Apollo 14 landing site)
Associated Minerals at Type Locality:
Reference:
Vaniman, D.T., Bish, D.L. (1990) Yoshiokaite, a new Ca, Al-silicate mineral from the Moon. American Mineralogist: 75: 676-686.

Synonyms of YoshiokaiteHide

Other Language Names for YoshiokaiteHide

Relationship of Yoshiokaite to other SpeciesHide

Other Members of this group:
Cancrinite GroupA large, structurally complex group of alumosilicates.
CarnegieiteNaAlSiO4Tric.
Davidsmithite(Ca,◻)2Na6Al8Si8O32Hex. 6 : P63
KalsiliteKAlSiO4Hex. 6 2 2 : P63 2 2
LeuciteK(AlSi2O6)Tet. 4/m : I41/a
MetaleuciteA name for isometric leucite that is stable above 625 degrees C.
NephelineNa3K(Al4Si4O16)Hex. 6 : P63
Sodalite GroupThe Sodalite Group is characterised by sodalite-type stacking of alumosilicate building units that produces ...
TrikalsiliteK2NaAl3(SiO4)3Hex.
TrinephelineNaAlSiO4 Hex. 6 : P61

Related Minerals - Nickel-Strunz GroupingHide

9.FA.05KaliophiliteKAlSiO4Trig. 3 : P3
9.FA.05KalsiliteKAlSiO4Hex. 6 2 2 : P63 2 2
9.FA.05NephelineNa3K(Al4Si4O16)Hex. 6 : P63
9.FA.05Panunzite(K,Na)AlSiO4Hex. 6 : P63
9.FA.05TrikalsiliteK2NaAl3(SiO4)3Hex.
9.FA.05MegakalsiliteKAlSiO4Hex. 6 : P63
9.FA.10MalinkoiteNaBSiO4Hex. 6 : P63
9.FA.15VirgiliteLiAlSi2O6Hex. 6 2 2 : P62 2 2
9.FA.25LisitsyniteKBSi2O6Orth. 2 2 2 : P2 2 2
9.FA.30AdulariaKAlSi3O8Mon.
9.FA.30Anorthoclase(Na,K)AlSi3O8Tric.
9.FA.30Buddingtonite(NH4)(AlSi3O8)Mon. 2 : P21
9.FA.30CelsianBa(Al2Si2O8)Mon. 2/m
9.FA.30Hyalophane(K,Ba)[Al(Si,Al)Si2O8]Mon.
9.FA.30MicroclineK(AlSi3O8)Tric. 1
9.FA.30OrthoclaseK(AlSi3O8)Mon. 2/m : B2/m
9.FA.30SanidineK(AlSi3O8)Mon. 2/m : B2/m
9.FA.30RubiclineRb(AlSi3O8)Tric.
9.FA.30MonalbiteNaAlSi3O8Mon. 2/m : B2/m
9.FA.35AlbiteNa(AlSi3O8)Tric. 1
9.FA.35Andesine(Na,Ca)[Al(Si,Al)Si2O8]Tric.
9.FA.35AnorthiteCa(Al2Si2O8)Tric. 1 : P1
9.FA.35Bytownite(Ca,Na)[Al(Al,Si)Si2O8]Tric.
9.FA.35Labradorite(Ca,Na)[Al(Al,Si)Si2O8]
9.FA.35Oligoclase(Na,Ca)[Al(Si,Al)Si2O8]
9.FA.35ReedmergneriteNaBSi3O8Tric.
9.FA.40ParacelsianBa(Al2Si2O8)Mon.
9.FA.45SvyatoslaviteCa(Al2Si2O8)Orth.
9.FA.45KumdykoliteNa(AlSi3O8)Orth. mmm (2/m 2/m 2/m) : Pnnm
9.FA.50SlawsoniteSr(Al2Si2O8)Mon. 2/m : P21/b
9.FA.55LisetiteCaNa2Al4Si4O16Orth. mm2
9.FA.60BanalsiteNa2BaAl4Si4O16Orth. mm2 : Iba2
9.FA.60StronalsiteNa2SrAl4Si4O16Orth.
9.FA.65DanburiteCaB2Si2O8Orth. mmm (2/m 2/m 2/m)
9.FA.65MaleeviteBaB2Si2O8Orth. mmm (2/m 2/m 2/m) : Pnma
9.FA.65PekoviteSrB2Si2O8Orth. mmm (2/m 2/m 2/m) : Pnma
9.FA.70Lingunite(Na,Ca)AlSi3O8Tet. 4/m : I4/m
9.FA.75KokchetaviteK(AlSi3O8)Hex. 6/mmm (6/m 2/m 2/m) : P6/mcc

Related Minerals - Dana Grouping (8th Ed.)Hide

76.2.1.1KalsiliteKAlSiO4Hex. 6 2 2 : P63 2 2
76.2.1.2NephelineNa3K(Al4Si4O16)Hex. 6 : P63
76.2.1.3TrikalsiliteK2NaAl3(SiO4)3Hex.
76.2.1.4Panunzite(K,Na)AlSiO4Hex. 6 : P63
76.2.1.5KaliophiliteKAlSiO4Trig. 3 : P3

Related Minerals - Hey's Chemical Index of Minerals GroupingHide

16.9.1GehleniteCa2Al(AlSiO7)Tet. 4 2m : P4 21m
16.9.2AnorthiteCa(Al2Si2O8)Tric. 1 : P1
16.9.4SvyatoslaviteCa(Al2Si2O8)Orth.
16.9.5DmisteinbergiteCa(Al2Si2O8)Trig. 3 2 : P3 1 2
16.9.6GrossularCa3Al2(SiO4)3Iso. m3m (4/m 3 2/m) : Ia3d
16.9.7VuagnatiteCaAl(SiO4)(OH)Orth.
16.9.8ZoisiteCa2Al3[Si2O7][SiO4]O(OH)Orth. mmm (2/m 2/m 2/m) : Pnma
16.9.9Clinozoisite{Ca2}{Al3}(Si2O7)(SiO4)O(OH)Mon. 2/m : P21/m
16.9.10PrehniteCa2Al2Si3O10(OH)2Orth. mm2
16.9.11KamaishiliteCa2(Al2SiO6)(OH)2Tet.
16.9.12BicchuliteCa2(Al2SiO6)(OH)2Iso. 4 3m : I4 3m
16.9.13MargariteCaAl2(Al2Si2O10)(OH)2Mon.
16.9.14ChantaliteCaAl2(SiO4)(OH)4Tet. 4/m : I41/a
16.9.15CebolliteCa5Al2(SiO4)3(OH)4Orth.
16.9.17KatoiteCa3Al2[◻(OH)4]3Iso.
16.9.18LawsoniteCaAl2(Si2O7)(OH)2 · H2OOrth. mmm (2/m 2/m 2/m) : Cmcm
16.9.19ParthéiteCa2(Si4Al4) O15 (OH)2 · 4H2OMon. 2/m : B2/b
16.9.20WairakiteCa(Al2Si4O12) · 2H2OMon. 2/m
16.9.21VertumniteCa4Al4Si4O6(OH)24 · 3H2OMon. 2/m : P21/m
16.9.22ScoleciteCaAl2Si3O10 · 3H2OMon. m : Bb
16.9.23LaumontiteCaAl2Si4O12 · 4H2OMon. 2/m : B2/m
16.9.24YugawaraliteCaAl2Si6O16 · 4H2OMon.
16.9.25Gismondine-CaCaAl2Si2O8 · 4H2OMon. 2/m : P21/b
16.9.26EpistilbiteCaAl2Si6O16 · 5H2OMon.
16.9.27GoosecreekiteCa[Al2Si6O16] · 5H2OMon.
16.9.28CowlesiteCaAl2Si3O10 · 6H2OOrth. mmm (2/m 2/m 2/m)
16.9.30StelleriteCa4(Si28Al8)O72 · 28H2OOrth. mmm (2/m 2/m 2/m) : Fmmm
16.9.31SträtlingiteCa2Al2SiO7 · 8H2OTrig.
16.9.32AmstalliteCaAl(Si,Al)4O8(OH)4 · (H2O,Cl)Mon. 2/m : B2/b

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.

References for YoshiokaiteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Vaniman, D.T., Bish, D.L. (1990) Yoshiokaite, a new Ca, Al-silicate mineral from the Moon. American Mineralogist: 75: 676-686.
Steele, I.M., Pluth, J.J. (1990) Crystal structure of synthetic yoshiokaite, a stuffed derivative of the tridymite structure. American Mineralogist: 75(9-10): 1186-1191.
Anthony, J.W., Bideaux, R.A., Bladh, K.W., Nichols, M.C., Eds. (2016) Handbook of Mineralogy, Mineralogical Society of America, Chantilly, VA 20151-1110, USA. http://www.handbookofmineralogy.org/

Internet Links for YoshiokaiteHide

Localities for YoshiokaiteHide

ⓘ - Click for 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 (eg from pseudomorphs.)

All localities listed without proper references should be considered as questionable.
The Moon (TL)
 
  • Fra Mauro Highlands
Amer.Min.(1990) 75, 676-686
 
矿物 and/or 产地  
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