Named after its chemical composition containing zirconium and analogy to astrophyllite (Greek φύλλον (fyllon), 'leaf', alluding to its micaceous habit).

Type Locality:

ⓘ Korgeredaba alkaline massif, Sangilen Upland, Tuva, Russia

Astrophyllite Group.

The currently accepted formula is K₂NaFe²⁺₇Zr₂(Si₄O₁₂)₂O₂(OH)₄F.

Unique IdentifiersHide

Mindat ID:

4423

Long-form identifier:

mindat:1:1:4423:9

GUID
(UUID V4):

e43c0855-5d8a-4a5c-839c-61c0a9e32eab

Classification of ZircophylliteHide

IMA status:

Approved

Approval year:

1971

Approval history:

Approved by IMA in 1971.
Redefined by IMA 2017 (proposal 17-D) as an astrophyllite-group mineral.

Strunz-mindat (2023):

9.DC.05

9 : SILICATES (Germanates)
D : Inosilicates
C : Inosilicates with branched 2-periodic single chains; Si₂O₆ + 2SiO₃ Si₄O₁₂

Dana 8th ed.:

69.1.1.5

69 : INOSILICATES Chains with Side Branches or Loops
1 : Chains with Side Branches or Loops with (P=2, and N=4, 2 branches)

Hey's CIM Ref.:

17.1.26

17 : Silicates Containing other Anions
1 : Silicates with fluoride (not containing Al)

Mineral SymbolsHide

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

Please only use the official IMA–CNMNC symbol. Older variants are listed for historical use only.

Symbol	Source	Reference
Zcp	IMA–CNMNC	Warr, L.N. (2021). IMA–CNMNC approved mineral symbols. Mineralogical Magazine, 85(3), 291-320. doi:10.1180/mgm.2021.43
Zcp	Warr (2020)	Warr, L.N. (2020) Recommended abbreviations for the names of clay minerals and associated phases. Clay Minerals, 55, 261–264 doi:10.1180/clm.2020.30

Physical Properties of ZircophylliteHide

Lustre:

Adamantine, Vitreous

Transparency:

Translucent

Colour:

Black-brown

Streak:

Light brown

Hardness:

4 - 4½ on Mohs scale

Tenacity:

Very brittle

Cleavage:

Perfect
{001}

Density:

3.34 g/cm³ (Measured)

Optical Data of ZircophylliteHide

Type:

Biaxial (-)

RI values:

n_α = 1.708 n_β = 1.738 n_γ = 1.747

2V:

Measured: 62° , Calculated: 56°

Max Birefringence:

δ = 0.039

Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.

Surface Relief:

High

Dispersion:

r > v weak

Pleochroism:

Visible

Comments:

X = Y = dark yellow; Z = brown

Chemical Properties of ZircophylliteHide

Formula:

K₂NaFe²⁺₇Zr₂(Si₄O₁₂)₂O₂(OH)₄F

Elements listed:

F, Fe, H, K, Na, O, Si, Zr - search for minerals with similar chemistry

Common Impurities:

Ti,Hf,H₂O

Crystallography of ZircophylliteHide

Crystal System:

Triclinic

Comment:

Point Group: n.d.; Space Group: n.d. Z = n.d.

X-Ray Powder DiffractionHide

Powder Diffraction Data:

d-spacing	Intensity
3.50 Å	(10)
2.80 Å	(7)
2.66 Å	(5)
2.10 Å	(5)
9.80 Å	(4)
3.75 Å	(3)
3.26 Å	(3)

Geological EnvironmentHide

Paragenetic Mode(s):

Paragenetic Mode	Earliest Age (Ga)
Stage 4b: Highly evolved igneous rocks	>3.0
35 : Ultra-alkali and agpaitic igneous rocks

Type Occurrence of ZircophylliteHide

Type Locality:

ⓘ Korgeredaba alkaline massif, Sangilen Upland, Tuva, Russia

General Appearance of Type Material:

Platy micaceous crystals, to 2 cm.

Place of Conservation of Type Material:

A.E. Fersman Mineralogical Museum, Academy of Sciences, Moscow, Russia.

Associated Minerals at Type Locality:

Reference:

KAPUSTIN, Y.L. (1972): Zircophyllite - the zirconium analogue of astrophyllite, Zapiski Vsesoyuznogo Mineralogicheskogo Obshchestva 101, 459-463 (in Russian). English translation: International Geology Review 15 (1973), 621-625

Synonyms of ZircophylliteHide

IMA1971-047

UM2003-33- SiO:CaFFeHKMnNaNbZr

Unnamed (Fe-analogue of Zircophyllite)

Other Language Names for ZircophylliteHide

German:Zirkophyllit

Spanish:Zircophyllita

Relationship of Zircophyllite to other SpeciesHide

Member of:

Astrophyllite Group > Astrophyllite Supergroup

Other Members of this group:

Astrophyllite	K₂NaFe²⁺₇Ti₂Si₈O₂₆(OH)₄F	Tric. 1 : P1
Bulgakite	Li₂(Ca,Na)Fe²⁺₇Ti₂(Si₄O₁₂)₂O₂(OH)₄(F,O)(H₂O)₂	Tric. 1 : P1
Hydroastrophyllite	(H₃O,K,Ca)₃(Fe,Mn)_5-65Ti₂Si₈(O,OH)₃₁	Tric.
Nalivkinite	Li₂Na(Fe²⁺,Mn²⁺)₇Ti₂Si₈O₂₆(OH)₄F	Tric. 1 : P1
Niobophyllite	(K,Na)₃(Fe,Mn)₆(Nb,Ti)₂Si₈(O,OH,F)₃₁	Tric.
Tarbagataite	(K◻)Ca(Fe²⁺,Mn)₇Ti₂(Si₄O₁₂)₂O₂(OH)₅	Tric. 1 : P1

Related Minerals - Strunz-mindat Grouping Hide

9.DC.	Bulgakite	Li₂(Ca,Na)Fe²⁺₇Ti₂(Si₄O₁₂)₂O₂(OH)₄(F,O)(H₂O)₂	Tric. 1 : P1
9.DC.05	Astrophyllite	K₂NaFe²⁺₇Ti₂Si₈O₂₆(OH)₄F	Tric. 1 : P1
9.DC.05	Hydroastrophyllite	(H₃O,K,Ca)₃(Fe,Mn)_5-65Ti₂Si₈(O,OH)₃₁	Tric.
9.DC.05	Kupletskite	(K,Na)₃(Mn,Fe)₇Ti₂Si₈O₂₆(OH)₄F	Tric.
9.DC.05	Lobanovite	K₂Na(Fe²⁺₄Mg₂Na)Ti₂(Si₄O₁₂)₂O₂(OH)₄	Mon. 2/m : B2/m
9.DC.05	Niobophyllite	(K,Na)₃(Fe,Mn)₆(Nb,Ti)₂Si₈(O,OH,F)₃₁	Tric.
9.DC.05	Kupletskite-(Cs)	Cs₂NaMn²⁺₇Ti₂(Si₄O₁₂)₂O₂(OH)₄F	Tric. 1 : P1
9.DC.05	Niobokupletskite	K₂NaMn²⁺₇(Nb,Ti)(Si₄O₁₂)₂O₂(OH)₄(O,F)	Tric. 1 : P1
9.DC.05	Nalivkinite	Li₂Na(Fe²⁺,Mn²⁺)₇Ti₂Si₈O₂₆(OH)₄F	Tric. 1 : P1
9.DC.05	Devitoite	[Ba₆(PO₄)₂(CO₃)][Fe²⁺₇(OH)₄Fe³⁺₂O₂(Si₄O₁₂)₂]	Tric. 1 : P1
9.DC.05	Sveinbergeite	Ca(Fe²⁺₆Fe³⁺)Ti₂(Si₄O₁₂)₂O₂(OH)₅(H₂O)₄	Tric. 1 : P1
9.DC.05	Tarbagataite	(K◻)Ca(Fe²⁺,Mn)₇Ti₂(Si₄O₁₂)₂O₂(OH)₅	Tric. 1 : P1
9.DC.05	Heyerdahlite	Na₃Mn₇Ti₂(Si₄O₁₂)₂O₂(OH)₄F(H₂O)₂	Tric. 1 : P1
9.DC.05	Laverovite	K₂NaMn₇Zr₂(Si₄O₁₂)₂O₂(OH)₄F	Tric. 1 : P1

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 ZircophylliteHide

Reference List:

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

Kapustin, Y.L. (1972): Zircophyllite - the zirconium analogue of astrophyllite, Zapiski Vsesoyuznogo Mineralogicheskogo Obshchestva 101, 459-463 (in Russian). English translation: International Geology Review 15 (1973), 621-625. Abstracted in American Mineralogist (1973): 58: 967.

Piilonen, P.C., Lalonde, A.E., McDonald, A.M., Gault, R.A. & Larsen, A.O. (2003a) Insights into astrophyllite group minerals. I, nomenclature, composition and development of standardized general formula. The Canadian Mineralogist, 41, 1-26.

Piilonen, P.C., McDonald, A.M., Lalonde, A.E. (2003b): Insights into astrophyllite group minerals. II, crystal chemistry. The Canadian Mineralogist, 41, 27-54.

Sokolova, E., Hawthorne, F.C. (2016): The crystal structure of zircophyllite, K2NaFe2+7Zr2(Si4O12)2O2(OH)4F, an astrophyllite-supergroup mineral from Mont Saint-Hilaire, Québec, Canada. The Canadian Mineralogist, 54, 1539-1547.

Sokolova, E. Cámara, F., Hawthorne, F.C. & Ciriotti, M.E. (2018a): Redefinition of zircophyllite, ideally K2NaMn7Zr2(Si4O12)2O2(OH)4F, a kupletskite-group mineral of the astrophyllite supergroup (in accord with IMA 15-B) as an astrophyllite-group mineral, ideally K2NaFe2+7Zr2(Si4O12)2O2(OH)4F (IMA 17-D). The Canadian Mineralogist, 56, 1-3.

Internet Links for ZircophylliteHide

mindat.org URL:

https://www.mindat.org/min-4423.html
Please feel free to link to this page.

Search Engines:

Look for Zircophyllite on Google

Look for Zircophyllite images on Google

External Links:

Look for Zircophyllite on Webmineral

Look for Zircophyllite on Wikipedia

Look for Zircophyllite 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:

Wilensky Exquisite Minerals

Buy rare minerals from Excalibur Minerals

Fine Minerals from Weinrich Minerals, Inc.

Blue Gems Australian & International

High-end worldwide specimens & outstanding customer service

Buy from David K Joyce minerals

The Arkenstone - Fine Minerals

Buy from McDougall Minerals

Localities for ZircophylliteHide

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.


Canada
Québec Montérégie La Vallée-du-Richelieu RCM Mont Saint-Hilaire ⓘ Poudrette quarry (De-Mix quarry; Demix quarry; Uni-Mix quarry; Carrière Mont Saint-Hilaire; MSH)	Sokolova, E. Cámara, F., Hawthorne, F.C. & Ciriotti, M.E. (2018a): Redefinition of zircophyllite, ideally K2NaMn7Zr2(Si4O12)2O2(OH)4F, a kupletskite-group mineral of the astrophyllite supergroup (in accord with IMA 15-B) as an astrophyllite-group mineral, ideally K2NaFe2+7Zr2(Si4O12)2O2(OH)4F (IMA 17-D). Canadian Mineralogist 56, 1-3.

Portugal
Azores São Miguel ⓘ ~~Água de Pau Volcano~~

Russia (TL)
Tuva Sangilen Upland ⓘ Korgeredaba alkaline massif (TL)	ZVMO,(1972) 101, 459-463; Pekov, I. (1998) Minerals First discovered on the territory of the former Soviet Union 369p. Ocean Pictures, Moscow

South Africa
North West Bojanala Platinum District Municipality Moses Kotane Local Municipality ⓘ Pilanesberg Alkaline Ring Complex	R. Liferovich - L. Horváth p.c. (2004)

USA
Arkansas Hot Spring County Magnet Cove ⓘ Diamond Jo Quarry	H. Barwood - unpublished (2010)
Pulaski County Little Rock Granite Mountain area ⓘ Big Rock Quarry (3M Quarry; Arch Street Pike Quarry)	Henry Barwood - unpublished (2010)

Mindat.org is an outreach project of the Hudson Institute of Mineralogy, a 501(c)(3) not-for-profit organization.
Copyright © mindat.org and the Hudson Institute of Mineralogy 1993-2024, except where stated. Most political location boundaries are © OpenStreetMap contributors. Mindat.org relies on the contributions of thousands of members and supporters. Founded in 2000 by Jolyon Ralph.
Privacy Policy - Terms & Conditions - Contact Us / DMCA issues - Report a bug/vulnerability Current server date and time: April 25, 2024 06:14:39 Page updated: June 14, 2023 22:27:55

Go to top of page

Zircophyllite

About ZircophylliteHide