Lemmleinite-Ba R070650

Name: Lemmleinite-Ba
RRUFF ID: R070650
Ideal Chemistry: Na4K4Ba2+xTi8(Si4O12)4(OH,O)8·8H2O
Locality: Diamond Jo Quarry, Magnet Cove, Hot Spring County, Arkansas, USA
Source: Michael Scott S100152 [view label]
Owner: RRUFF
Description: Orange tabular crystals associated with colorless acicular pectolite
Status: The identification of this mineral is confirmed by single-crystal X-ray diffraction and chemical analysis.
Mineral Group: [ labuntsovite (11) ]
Quick search: [ All Lemmleinite-Ba samples (2) ]
RRUFF ID: R070650.2
Sample Description: Microprobe Fragment
Measured Chemistry: (Na3.91Ca0.09)Σ=4(K3.65Na0.35)Σ=4(Ba2.02K0.30Fe2+0.18)Σ=2.50(Ti7.60Fe3+0.32Al0.08)Σ=8(Si4.00O12)4(O4.30(OH)3.70)Σ=8·16H2O; lighter phase: OH estimated by charge balance; H2O by difference
Microprobe Data File: [ Download Excel File ]
RRUFF ID: R070650.2
Sample Description: Microprobe Fragment
Measured Chemistry: (Na3.92Ca0.08)Σ=4(K3.79Na0.21)Σ=4(Ba1.52K0.44Fe2+0.33)Σ=2.29(Ti7.80Fe3+0.20)Σ=8(Si4.00O12)4((OH)4.18O3.82)Σ=8·13.53H2O ; = darker phase
Sample Description: Unoriented sample

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RRUFF ID: R070650
Sample Description: Unoriented sample
Instrument settings: Thermo Almega XR 532nm @ 100% of 150mW
RRUFF ID: R070650.9
Sample Description: Single crystal, powder profile is calculated
Cell Refinement Output: a: 14.241(5)Å    b: 13.741(7)Å    c: 7.756(3)Å
alpha: 90°    beta: 116.68(2)°    gamma: 90°   Volume: 1356.2(5)Å3    Crystal System: monoclinic
  File Type Information Close
Calculated diffraction file.

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Output file from the Bruker D8 Advance instrument. Includes device headers and XY data.

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REFERENCES for Lemmleinite-Ba

American Mineralogist Crystal Structure Database Record: [view record]

Rastsvetaeva R K, Chukanov N V, Pekov I V (1997) Crystal structure of analogue of labuntsovite with high ordering of potassium and barium, Doklady Akademii Nauk, 357, 64-67

Chukanov N V, Pekov I V, Rastsvetaeva R K, Nekrasov A N (1999) Labuntsovite: Solid solutions and features of the crystal structure, The Canadian Mineralogist, 37, 901-910   [view file]

Khomyakov A P, Nechelyustov G N, Rastsvetaeva R K, Dorokhova G I (1999) Lemmleinite, NaK2(Ti,Nb)2Si4O12(O,OH)2·2H2O - a new mineral of the labuntsovite-nenadkevichite family, Zapiski Vserossijskogo Mineralogicheskogo Obshchestva, 128, issue 5 54-62   [view file]

Jambor J L, Puziewicz J, Roberts A C (2000) New mineral names, American Mineralogist, 85, 1843-1847   [view file]

Chukanov N V, Pekov I V, Rastsvetaeva R K, Zadov A E, Nedelko V V (2001) Lemmleinite-Ba, Na2K2Ba1+xTi4[Si4O12]2(O,OH)4·5H2O, a new mineral of labuntsovite group, Zapiski Vserossijskogo Mineralogicheskogo Obshchestva, 130, issue 3 36-43   [view file]

Chukanov N V, Pekov I V, Khomyakov A P (2002) Recommended nomeclature for labuntsovite-group minerals, European Journal of Mineralogy, 14, 165-173   [view file]

Jambor J L, Roberts A C (2002) New mineral names, American Mineralogist, 87, 1731-1735   [view file]

Rastsvetaeva R K, Chukanov N V (2002) X-ray diffraction and IR spectroscopy study of labuntsovite-group minerals, Crystallography Reports, 47, 939-945   [view file]

Armbruster T, Krivovichev S V, Weber T, Gnos E, Organova N N, Yakovenchuk V N, Shlyukova Z V (2004) Origin of diffuse superstructure reflections in labuntsovite-group minerals, American Mineralogist, 89, 1655-1666   [view file]

Zolotarev A A, Krivovichev S V (2005) High-temperature crystal chemistry of lemmleinite-(Ba), Zapiski Rossiiskogo Mineralogicheskogo Obshchetstva, 134, issue 3 101-105   [view file]

Pekov I V (2007) New minerals from former Soviet Union countries, 1998-2006: new minerals approved by the IMA commission on new minerals and mineral names, Mineralogical Almanac, 11, 9-51   [view file]