Named in honor of Stanislav K. Filatov (1940– ) Professor, Department of Crystallography, St. Petersburg State University, St Petersburg, Russia, for his contributions to high temperature crystal chemistry and crystal chemistry of exhalation minerals. He has authored/coauthored descriptions of about 40 new minerals.

Type Locality:

ⓘ Second scoria cone, Northern Breakthrough (North Breach), Great Fissure eruption (Main Fracture), Tolbachik volcano, Kamchatka Krai, Russia

Arsenate (V) analogue of orthoclase.

Chemically similar especially to wrightite and also to pharmacoalumite.

Classification of FilatoviteHide

IMA status:

Approved

Approval year:

2002

First published:

2004

Strunz 8th ed.:

8/J.06-45

Nickel-Strunz 10th (pending) ed.:

8.AC.85

8 : PHOSPHATES, ARSENATES, VANADATES
A : Phosphates, etc. without additional anions, without H₂O
C : With medium-sized and large cations

Physical Properties of FilatoviteHide

Lustre:

Vitreous

Transparency:

Transparent

Colour:

colourless

Streak:

White

Hardness:

5 - 6 on Mohs scale

Hardness Data:

Measured

Tenacity:

Brittle

Cleavage:

Distinct/Good
on {100}

Density:

2.92 g/cm³ (Calculated)

Chemical Properties of FilatoviteHide

Formula:

K(Al,Zn)₂(As,Si)₂O₈

Elements listed:

Al, As, K, O, Si, Zn - search for minerals with similar chemistry

Crystallography of FilatoviteHide

Crystal System:

Monoclinic

Class (H-M):

2/m - Prismatic

Cell Parameters:

a = 8.772 Å, b = 13.37 Å, c = 14.69 Å
β = 115.944°

Ratio:

a:b:c = 0.656 : 1 : 1.099

Unit Cell V:

1549.1 Å³

Crystal StructureHide

Load
Unit Cell | Unit Cell Packed
2x2x2 | 3x3x3 | 4x4x4

View
CIF File Best | x | y | z | a | b | c

Rotation
Stop | Start

Labels
Console Off | On | Grey | Yellow

Data courtesy of the American Mineralogist Crystal Structure Database. Click on an AMCSD ID to view structure

ID	Species	Reference	Link	Year	Locality	Pressure (GPa)	Temp (K)
0007076	Filatovite	Filatov S K, Krivovichev S V, Burns P C, Vergasova L P (2004) Crystal structure of filatovite, K[(Al,Zn)2(As,Si)2O8], the first arsenate of the feldspar group European Journal of Mineralogy 16 537-543		2004		0	293

CIF Raw Data - click here to close

data_global
_chemical_name_mineral 'Filatovite'
loop_
_publ_author_name
'Filatov S K'
'Krivovichev S V'
'Burns P C'
'Vergasova L P'
_journal_name_full 'European Journal of Mineralogy'
_journal_volume 16 
_journal_year 2004
_journal_page_first 537
_journal_page_last 543
_publ_section_title
;
 Crystal structure of filatovite, K[(Al,Zn)2(As,Si)2O8],
 the first arsenate of the feldspar group
;
_database_code_amcsd 0007076
_chemical_formula_sum '(K.9 Na.1) (As1.1 Si.9) (Al1.9 Zn.1) O8'
_cell_length_a 8.772
_cell_length_b 13.370
_cell_length_c 14.690
_cell_angle_alpha 90
_cell_angle_beta 115.944
_cell_angle_gamma 90
_cell_volume 1549.240
_exptl_crystal_density_diffrn      2.838
_symmetry_space_group_name_H-M 'I 1 2/c 1'
loop_
_space_group_symop_operation_xyz
  'x,y,z'
  '1/2+x,1/2+y,1/2+z'
  'x,-y,1/2+z'
  '1/2+x,1/2-y,+z'
  '-x,y,1/2-z'
  '1/2-x,1/2+y,-z'
  '-x,-y,-z'
  '1/2-x,1/2-y,1/2-z'
loop_
_atom_site_label
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
_atom_site_occupancy
_atom_site_U_iso_or_equiv
K   0.28451   0.00038   0.06940   0.90000   0.04650
Na   0.28451   0.00038   0.06940   0.10000   0.04650
AsT1   0.00850   0.18364   0.10767   0.55000   0.01750
SiT1   0.00850   0.18364   0.10767   0.45000   0.01750
AlT2   0.00558   0.18560   0.61510   0.94000   0.02050
ZnT2   0.00558   0.18560   0.61510   0.06000   0.02050
AlT3   0.71009   0.12077   0.17143   0.96000   0.02150
ZnT3   0.71009   0.12077   0.17143   0.04000   0.02150
AsT4   0.70229   0.11568   0.67225   0.55000   0.01770
SiT4   0.70229   0.11568   0.67225   0.45000   0.01770
O1   0.00460   0.14350   0.00100   1.00000   0.02920
O2   0.62990   0.99860   0.14180   1.00000   0.03450
O3   0.83400   0.14500   0.10760   1.00000   0.04480
O4   0.81600   0.14470   0.61310   1.00000   0.04060
O5   0.02530   0.30550   0.12040   1.00000   0.02970
O6   0.03360   0.31450   0.63450   1.00000   0.03050
O7   0.17510   0.13030   0.19700   1.00000   0.03510
O8   0.18390   0.12140   0.70480   1.00000   0.03110
loop_
_atom_site_aniso_label
_atom_site_aniso_U_11
_atom_site_aniso_U_22
_atom_site_aniso_U_33
_atom_site_aniso_U_12
_atom_site_aniso_U_13
_atom_site_aniso_U_23
K 0.02920 0.05670 0.04830 -0.00090 0.01220 -0.00100
Na 0.02920 0.05670 0.04830 -0.00090 0.01220 -0.00100
AsT1 0.01870 0.01890 0.01540 -0.00378 0.00783 -0.00119
SiT1 0.01870 0.01890 0.01540 -0.00378 0.00783 -0.00119
AlT2 0.02010 0.02360 0.01810 -0.00320 0.00850 -0.00140
ZnT2 0.02010 0.02360 0.01810 -0.00320 0.00850 -0.00140
AlT3 0.02070 0.01970 0.02290 -0.00090 0.00840 -0.00070
ZnT3 0.02070 0.01970 0.02290 -0.00090 0.00840 -0.00070
AsT4 0.01740 0.01540 0.01850 -0.00107 0.00627 -0.00060
SiT4 0.01740 0.01540 0.01850 -0.00107 0.00627 -0.00060
O1 0.03890 0.02920 0.02000 -0.00010 0.01340 -0.00310
O2 0.03030 0.02030 0.04180 0.00270 0.00560 0.00470
O3 0.03420 0.06200 0.04760 -0.01760 0.02640 -0.00690
O4 0.02900 0.06000 0.03770 -0.00800 0.01910 0.00060
O5 0.03120 0.02010 0.03520 -0.00360 0.01210 -0.00420
O6 0.02380 0.02410 0.03860 -0.00430 0.00910 -0.00460
O7 0.03590 0.03710 0.02110 0.00470 0.00230 0.00340
O8 0.03050 0.03540 0.02120 0.00510 0.00560 0.00080

X-Ray Powder DiffractionHide

Powder Diffraction Data:

d-spacing	Intensity
3.664 Å	(100)
4.329 Å	(70)
3.897 Å	(70)
2.981 Å	(60)
3.300 Å	(50)

Comments:

From type-description.

Geological EnvironmentHide

Paragenetic Mode(s):

• Fumarolic

Type Occurrence of FilatoviteHide

Type Locality:

ⓘ Second scoria cone, Northern Breakthrough (North Breach), Great Fissure eruption (Main Fracture), Tolbachik volcano, Kamchatka Krai, Russia

General Appearance of Type Material:

prismatic crystals to 0.3 mm

Place of Conservation of Type Material:

Museum of the Department of Mineralogy, St.Petersburg State University, St. Petersburg, Russia (catalogue # 1/19086)

Geological Setting of Type Material:

In pockets of fumarolic activity

Associated Minerals at Type Locality:

Tenorite	Sylvite	Orthoclase	Lammerite	Johillerite
Hematite	Alumoklyuchevskite

Reference:

Vergasova, L.P., Krivovichev, S.V., Britvin, S.N., Burns, P.C., and Ananiev, V.V. (2004) Filatovite, K[(Al,Zn)2(As,Si)2O8], a new mineral species from the Tolbachik volcano, Kamchatka peninsula, Russia. European Journal of Mineralogy: 16(3): 533-536.

Download:

http://rruff.info/rruff_1.0/uploads/EJM16_533.pdf

Synonyms of FilatoviteHide

IMA2002-052

Other Language Names for FilatoviteHide

Russian:Филатовит

Simplified Chinese:费拉托夫石

Traditional Chinese:費拉托夫石

Relationship of Filatovite to other SpeciesHide

Member of:

Feldspar Group

Other Members of this group:

Alkali Feldspar	A subgroup of the Feldspar Group, poor in calcium, and mostly rich in potassium.
Amazonite	K(AlSi₃O₈)
Andesine	(Na,Ca)[Al(Si,Al)Si₂O₈]	Tric.
Anorthite	Ca(Al₂Si₂O₈)	Tric. 1 : P1
Banalsite	Na₂BaAl₄Si₄O₁₆	Orth. mm2 : Iba2
Buddingtonite	(NH₄)(AlSi₃O₈)	Mon. 2 : P2₁
Bytownite	(Ca,Na)[Al(Al,Si)Si₂O₈]	Tric.
Dmisteinbergite	Ca(Al₂Si₂O₈)	Trig. 3 2 : P3 1 2
Ferrisanidine	K[Fe³⁺Si₃O₈]	Mon. 2/m : B2/m
Hexacelsian	BaAl₂Si₂O₈	Hex. 6/mmm (6/m 2/m 2/m) : P6₃/mcm
Kokchetavite	K(AlSi₃O₈)	Hex. 6/mmm (6/m 2/m 2/m) : P6/mmm
Kumdykolite	Na(AlSi₃O₈)	Orth. mmm (2/m 2/m 2/m) : Pnnm
Labradorite	(Ca,Na)[Al(Al,Si)Si₂O₈]
Oligoclase	(Na,Ca)[Al(Si,Al)Si₂O₈]
Paracelsian	Ba(Al₂Si₂O₈)	Mon.
Reedmergnerite	NaBSi₃O₈	Tric.
Slawsonite	Sr(Al₂Si₂O₈)	Mon. 2/m : P2₁/b
Stronalsite	Na₂SrAl₄Si₄O₁₆	Orth.
Sunstone	A variety of feldspar (microcline or oligoclase, more rarely labradorite) that has schiller, ...
Svyatoslavite	Ca(Al₂Si₂O₈)	Orth.
Unnamed (New Ordered Member of the Alkali Feldspar Series)	KNa(Si₆Al₂)O₁₆	Mon. m

Related Minerals - Nickel-Strunz Grouping Hide

8.AC.	Angarfite	NaFe³⁺₅(PO₄)₄(OH)₄ · 4H₂O	Orth. 2 2 2 : C2 2 2₁
8.AC.	Wopmayite	Ca₆Na₃◻Mn(PO₄)₃(PO₃OH)₄	Trig. 3m : R3c
8.AC.X	Dyrnaesite-(La)	Na₈Ce⁴⁺(La,REE)₂(PO₄)₆	Orth. mmm (2/m 2/m 2/m) : Pnma
8.AC.	Edtollite	K₂NaCu₅Fe³⁺O₂(AsO₄)₄	Tric. 1 : P1
8.AC.	Alumoedtollite	K₂NaCu₅AlO₂(AsO₄)₄	Tric. 1 : P1
8.AC.05	Howardevansite	NaCuFe₂(VO₄)₃	Tric. 1 : P1
8.AC.10	Alluaudite	(Na,Ca)Mn²⁺(Fe³⁺,Mn²⁺,Fe²⁺,Mg)₂(PO₄)₃	Mon.
8.AC.10	Arseniopleite	NaCaMnMn₂(AsO₄)₃	Mon. 2/m
8.AC.10	Caryinite	(Na,Pb)(Ca,Na)CaMn²⁺₂(AsO₄)₃	Mon. 2/m
8.AC.10	Ferroalluaudite	(Na,Ca)Fe²⁺(Fe³⁺,Mn²⁺,Fe²⁺)₂(PO₄)₃	Mon. 2/m : B2/b
8.AC.10	Hagendorfite	NaCaMn²⁺Fe²⁺₂(PO₄)₃	Mon. 2/m : B2/b
8.AC.10	Johillerite	Na(Mg,Zn)₃Cu(AsO₄)₃	Mon. 2/m : B2/b
8.AC.10	Maghagendorfite	(◻,Na,)(Na,Ca,Fe²⁺)Mn(Mg,Fe²⁺,Fe³⁺)₃(PO₄)₃	Mon.
8.AC.10	Nickenichite	Na_0.8Ca_0.4Cu_0.4(Mg,Fe)₃(AsO₄)₃	Mon. 2/m : B2/b
8.AC.10	Varulite	NaCaMn²⁺Mn²⁺₂(PO₄)₃	Mon. 2/m : B2/b
8.AC.10	Ferrohagendorfite	NaCaFe²⁺Fe²⁺₂(PO₄)₃	Mon.
8.AC.10	Bradaczekite	NaCu₄(AsO₄)₃	Mon. 2/m : B2/b
8.AC.10	Yazganite	NaFe³⁺₂(Mg,Mn²⁺)(AsO₄)₃ · H₂O	Mon. 2/m : B2/b
8.AC.10	Groatite	NaCaMn₂(PO₄)[PO₃(OH)]₂	Mon. 2/m : B2/b
8.AC.15	Bobfergusonite	Na₂Mn₅FeAl(PO₄)₆	Mon. 2/m : P2/b
8.AC.15	Ferrowyllieite	(Na,Ca,Mn)(Fe,Mn)(Fe,Fe,Mg)Al(PO₄)₃	Mon. 2/m : P2₁/b
8.AC.15	Qingheiite	NaMn³⁺Mg(Al,Fe³⁺)(PO₄)₃	Mon. 2/m : P2₁/b
8.AC.15	Rosemaryite	(Na,Ca,Mn)(Mn,Fe²⁺)(Fe³⁺,Mg)Al(PO₄)₃	Mon. 2/m : P2₁/b
8.AC.15	Wyllieite	(Na,Ca,Mn)(Mn,Fe)(Fe,Mg)Al(PO₄)₃	Mon. 2/m
8.AC.15	Ferrorosemaryite	◻NaFe²⁺Fe³⁺Al(PO₄)₃	Mon.
8.AC.15	Qingheiite-(Fe2+)	Na₂Fe²⁺MgAl(PO₄)₃	Mon. 2/m : P2₁/m
8.AC.18	Manitobaite	Na₁₆Mn²⁺₂₅Al₈(PO₄)₃₀	Mon. m : Pb
8.AC.20	Marićite	NaFe²⁺(PO₄)	Orth. mmm (2/m 2/m 2/m) : Pmna
8.AC.25	Berzeliite	(NaCa₂)Mg₂(AsO₄)₃	Iso. m3m (4/m 3 2/m) : Ia3d
8.AC.25	Manganberzeliite	(NaCa₂)Mn²⁺₂(AsO₄)₃	Iso. m3m (4/m 3 2/m) : Ia3d
8.AC.25	Palenzonaite	(NaCa₂)Mn²⁺₂(VO₄)₃	Iso. m3m (4/m 3 2/m) : Ia3d
8.AC.25	Schäferite	(NaCa₂)Mg₂(VO₄)₃	Iso.
8.AC.30	Brianite	Na₂CaMg(PO₄)₂	Mon. 2/m : P2₁/b
8.AC.35	Vitusite-(Ce)	Na₃(Ce,La,Nd)(PO₄)₂	Orth. mm2 : Pca2₁
8.AC.40	Olgite	(Sr,Ba)(Na,Sr,REE)₂Na(PO₄)₂	Trig. 3m (3 2/m) : P3m1
8.AC.40	Bario-olgite	(Ba,Sr)(Na,Sr,REE)₂Na(PO₄)₂ ·	Trig. 3 : P3
8.AC.45	Strontiowhitlockite	Sr₉Mg(PO₄)₆(PO₃OH)	Trig. 3m : R3c
8.AC.45	Whitlockite	Ca₉Mg(PO₄)₆(PO₃OH)	Trig. 3m : R3c
8.AC.45	Merrillite	Ca₉NaMg(PO₄)₇	Trig. 3m : R3m
8.AC.45	Tuite	Ca₃(PO₄)₂	Trig. 3m (3 2/m) : R3m
8.AC.45	Ferromerrillite	Ca₉NaFe²⁺(PO₄)₇	Trig. 3m : R3c
8.AC.50	Chladniite	Na₃CaMg₁₁(PO₄)₉	Trig. 3 : R3
8.AC.50	Fillowite	Na₃CaMn²⁺₁₁(PO₄)₉	Trig. 3 : R3
8.AC.50	Johnsomervilleite	Na₃CaFe₁₁(PO₄)₉	Trig.
8.AC.50	Galileiite	Na₃Fe²⁺Fe²⁺₁₁(PO₄)₉	Trig. 3 : R3
8.AC.50	Stornesite-(Y)	{(Y, Ca)}{Na₆◻₂}{(Ca,Na)₈}{(Mg,Fe²⁺)₄₃}(PO₄)₃₆	Trig. 3 : R3
8.AC.50	Xenophyllite	Na₄Fe²⁺₇(PO₄)₆	Tric. 1 : P1
8.AC.55	Harrisonite	Ca(Fe²⁺,Mg)₆(PO₄)₂(SiO₄)₂	Trig.
8.AC.60	Kosnarite	KZr₂(PO₄)₃	Trig. 3m (3 2/m) : R3c
8.AC.65	Panethite	(Na,Ca)₂(Mg,Fe²⁺)₂(PO₄)₂	Mon. 2/m : P2₁/b
8.AC.70	Stanfieldite	Ca₄Mg₅(PO₄)₆	Mon.
8.AC.75	Ronneburgite	K₂MnV₄O₁₂	Mon. 2/m
8.AC.80	Tillmannsite	Ag₃Hg[(V,As)O₄]	Tet. 4 : I4

Fluorescence of FilatoviteHide

In UV light:

none

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 FilatoviteHide

Reference List:

Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)

Filatov, S.K., Krivovichev, S.V., Burns, P.C., and Vergasova L.P. (2004) Crystal structure of filatovite, K[(Al,Zn)2(As,Si)2O8], the first arsenate of the feldspar group. European Journal of Mineralogy: 16(3): 537-543.

Internet Links for FilatoviteHide

mindat.org URL:

https://www.mindat.org/min-26577.html
Please feel free to link to this page.

Search Engines:

Look for Filatovite on Google

Look for Filatovite images on Google

External Links:

Look for Filatovite on Webmineral

Look for Filatovite on Wikipedia

Look for Filatovite on Mineralien Atlas

Raman and XRD data at RRUFF project

References and PDF downloads at RRUFF project

American Mineralogist Crystal Structure Database

Handbook of Mineralogy page PDF

Mineral Dealers:

Fine Minerals from Weinrich Minerals, Inc.

Top quality minerals from Kristalle of California

Wilensky Exquisite Minerals

Buy from McDougall Minerals

Fabre Minerals - search for Filatovite specimens

Heritage 1971 - Chinese Minerals

Buy from David K Joyce minerals

Quality Mineral Specimens For Sale ~ Cal Neva Mineral Company

Lapis Mineral Magazin

The Arkenstone - Fine Minerals

High-end worldwide specimens & outstanding customer service

Blue Gems Australian & International

Localities for FilatoviteHide

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 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.

Russia (TL)

Kamchatka Krai

Tolbachik volcano

Great Fissure eruption (Main Fracture)

Northern Breakthrough (North Breach)

ⓘ Second scoria cone (TL)

Mindat.org is an outreach project of the Hudson Institute of Mineralogy, a 501(c)(3) not-for-profit organization. Public Relations by Blytheweigh.
Copyright © mindat.org and the Hudson Institute of Mineralogy 1993-2020, except where stated. Most political location boundaries are © OpenStreetMap contributors. Mindat.org relies on the contributions of thousands of members and supporters.
Privacy Policy - Terms & Conditions - Contact Us - Report a bug/vulnerability Current server date and time: December 6, 2020 00:54:45 Page generated: November 30, 2020 23:47:23

Go to top of page

Filatovite

About FilatoviteHide