R130041 - RRUFF Database: Raman, X-ray, Infrared, and Chemistry

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Tarbagataite R130041

Name: Tarbagataite
RRUFF ID: R130041
Ideal Chemistry: (K◻)CaFe²⁺₇Ti₂(Si₄O₁₂)₂O₂(OH)₅
Locality: Verkhnee Espe deposit, Akjailyautas Mountains, Kazakhstan
Source: Elena Sokolova
Owner: Elena Sokolova
Description: Flakes brown or pale golden brown, with a colorless to very pale yellow streak and a vitreous to pearly lustre. Associated with astrophyllite, zinc pyrophanite, columbite-(Mn) and quartz. Data from Stepanov et al (2012)
Status: The identification of this mineral is confirmed by single-crystal X-ray diffraction and chemical analysis.

Mineral Groups: [ astrophyllite (11) ] [ Astrophyllite (5) ]

CHEMISTRY

RRUFF ID:	R130041.2
Sample Description:	Microprobe Fragment
Measured Chemistry:	(K_0.76Rb_0.18Na_0.12Cs_0.04_0.90)_Σ=2(Ca_0.62Na_0.38)_Σ=1(Fe²⁺_3.51Mn_2.94Mg_0.28Zr_0.02Zn_0.02_0.23)_Σ=7(Ti_1.57Nb_0.30Sn_0.11Zr_0.02)_Σ=2[(Si_4.045Al_0.015)_Σ=8.12O₁₂]₂O₂[(OH_4.65F_0.35]

INFRARED SPECTRUM (Attenuated Total Reflectance)

RRUFF ID:

R130041

Sample Description:

IR Sample

Instrument settings:

Nicolet FTIR 740 spectrophotometer

Resolution:

DOWNLOADS:

	Infrared Data (Processed)
	RRUFF File

POWDER DIFFRACTION

RRUFF ID:

R130041.9

Sample Description:

Single crystal, powder profile is calculated

Cell Refinement Output:

a: 5.3863(3)Å b: 11.9141(6)Å c: 11.7171(6)Å
alpha: 112.978(2)° beta: 94.641(2)° gamma: 103.189(2)° Volume: 661.84(9)Å³ Crystal System: triclinic

File Type Information

Calculated diffraction file.

File Type Information

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

DOWNLOADS:

	DIF File
	X-ray Data (XY - RAW)
	RRUFF File

REFERENCES for Tarbagataite
American Mineralogist Crystal Structure Database Record: [view record]
Williams P A, Hatert F, Pasero M, Mills S J (2011) IMA Commission on new minerals, nomenclature and classification (CNMNC) Newsletter 7. New minerals and nomenclature modifications approved in 2010, Mineralogical Magazine, 75, 27-31 [view file]
Sokolova E (2012) Further developments in the structure topology of the astrophyllite-group minerals, Mineralogical Magazine, 76, 863-882 [view file]
Stepanov A V, Bekenova G K, Levin V L, Sokolova E, Hawthorne F C, Dobrovol'skaya E A (2012) Tarbagataite, (K,◻)₂(Ca,Na)(Fe²⁺,Mn)₇Ti₂(Si₄O₁₂)₂O₂(OH)₄(OH,F), a new astrophyllite-group mineral species from the Verkhnee Espe Deposit, Akjailyautas Mountains, Kazakhstan: Description and crystal structure, The Canadian Mineralogist, 50, 159-168 [view file]
Sokolova E, Cámara F, Hawthorne F C, Ciriotti M E (2017) The astrophyllite supergroup: nomenclature and classification, Mineralogical Magazine, 81, 143-153

REFERENCES for Tarbagataite

American Mineralogist Crystal Structure Database Record: [view record]

Williams P A, Hatert F, Pasero M, Mills S J (2011) IMA Commission on new minerals, nomenclature and classification (CNMNC) Newsletter 7. New minerals and nomenclature modifications approved in 2010, Mineralogical Magazine, 75, 27-31 [view file]

Sokolova E (2012) Further developments in the structure topology of the astrophyllite-group minerals, Mineralogical Magazine, 76, 863-882 [view file]

Stepanov A V, Bekenova G K, Levin V L, Sokolova E, Hawthorne F C, Dobrovol'skaya E A (2012) Tarbagataite, (K,◻)₂(Ca,Na)(Fe²⁺,Mn)₇Ti₂(Si₄O₁₂)₂O₂(OH)₄(OH,F), a new astrophyllite-group mineral species from the Verkhnee Espe Deposit, Akjailyautas Mountains, Kazakhstan: Description and crystal structure, The Canadian Mineralogist, 50, 159-168 [view file]

Sokolova E, Cámara F, Hawthorne F C, Ciriotti M E (2017) The astrophyllite supergroup: nomenclature and classification, Mineralogical Magazine, 81, 143-153