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Pellyite

A valid IMA mineral species

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Photos of Pellyite (13)

Pellyite Gallery Search Photos of Pellyite

Edit Add Synonym Edit CIF structures Clear Cache

Pellyite, etc.

Esquire No. 7 claim, Big Creek, Big Creek-Rush Creek Mining District, Fresno County, California, USA

Pellyite, etc.

Esquire No. 7 claim, Big Creek, Big Creek-Rush Creek Mining District, Fresno County, California, USA

Pellyite, etc.

Esquire No. 8 claim, Big Creek, Big Creek-Rush Creek Mining District, Fresno County, California, USA

Pellyite, etc.

Esquire No. 7 claim, Big Creek, Big Creek-Rush Creek Mining District, Fresno County, California, USA

Pellyite, etc.

Esquire No. 7 claim, Big Creek, Big Creek-Rush Creek Mining District, Fresno County, California, USA

Pellyite, etc.

Esquire No. 8 claim, Big Creek, Big Creek-Rush Creek Mining District, Fresno County, California, USA

Pellyite, etc.

Esquire No. 7 claim, Big Creek, Big Creek-Rush Creek Mining District, Fresno County, California, USA

Pellyite, etc.

Esquire No. 7 claim, Big Creek, Big Creek-Rush Creek Mining District, Fresno County, California, USA

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About PellyiteHide

The Pelly River, Yukon, Canada

Formula:

Ba₂Ca(Fe,Mg)₂Si₆O₁₇

Colour:

colorless to pale yellow

Lustre:

Vitreous

Hardness:

Specific Gravity:

3.51

Crystal System:

Orthorhombic

Name:

After the Pelly River, Yukon Territory, Canada, the headwaters of which are close to the type locality.

Type Locality:

ⓘ Gun claim, Wilson Lake, Itsi Mountain, Watson Lake mining district, Yukon, Canada

This page provides mineralogical data about Pellyite.

Unique IdentifiersHide

Mindat ID:

3145

Long-form identifier:

mindat:1:1:3145:1

GUID
(UUID V4):

891285ed-e8a0-44fd-8e10-26032629b4c8

IMA Classification of PellyiteHide

IMA status:

Approved

IMA Formula:

Ba₂CaFe²⁺₂Si₆O₁₇

First published:

1972

Type description reference:

Montgomery, J. H., Thompson, R. M., Meagher, E. P. (1972) Pellyite; a new barium silicate mineral from the Yukon Territory. The Canadian Mineralogist, 11 (2) 444-447

Classification of PellyiteHide

Strunz-mindat (2024):

9.DO.10

9 : SILICATES (Germanates)
D : Inosilicates
O : Inosilicates with 7-, 8-, 10-, 12- and 14-periodic chains

Dana 8th ed.:

78.6.3.1

78 : Unclassified Silicates
6 :

Hey's CIM Ref.:

14.7.9

14 : Silicates not Containing Aluminum
7 : Silicates of Ba, Sr and Zn

Mineral SymbolsHide

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

Symbol	Source	Reference
Ply	IMA–CNMNC	Warr, L.N. (2021). IMA–CNMNC approved mineral symbols. Mineralogical Magazine, 85(3), 291-320. doi:10.1180/mgm.2021.43

Physical Properties of PellyiteHide

Lustre:

Vitreous

Transparency:

Translucent

Colour:

colorless to pale yellow

Hardness:

6 on Mohs scale

Cleavage:

Poor/Indistinct
Prismatic, poorly developed

Fracture:

Conchoidal

Density:

3.51 g/cm³ (Measured) 3.48 g/cm³ (Calculated)

Optical Data of PellyiteHide

Type:

Biaxial (+)

RI values:

n_α = 1.627 - 1.643 n_β = 1.629 - 1.645 n_γ = 1.641 - 1.649

2V:

Measured: 53° to 61°, Calculated: 72°

Max Birefringence:

δ = 0.014

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

Surface Relief:

Moderate

Dispersion:

Very strong, r > v.

Chemistry of PellyiteHide

Mindat Formula:

Ba₂Ca(Fe,Mg)₂Si₆O₁₇

Elements listed:

Ba, Ca, Fe, Mg, O, Si - search for minerals with similar chemistry

Common Impurities:

Al,Mn,Zn

Crystallography of PellyiteHide

Crystal System:

Orthorhombic

Class (H-M):

mmm (2/m 2/m 2/m) - Dipyramidal

Cell Parameters:

a = 14.209(6) Å, b = 15.677(4) Å, c = 7.151(2) Å

Ratio:

a:b:c = 0.906 : 1 : 0.456

Unit Cell V:

1,592.92 Å³ (Calculated from Unit Cell)

Comment:

Space Group: Amma

Crystal StructureHide

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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)
0000493	Pellyite	Meagher E P (1976) The atomic arrangement of pellyite: Ba2Ca(Fe,Mg)2Si6O17 American Mineralogist 61 67-73		1976		0	293

CIF Raw Data - click here to close

data_global
_chemical_name_mineral 'Pellyite'
loop_
_publ_author_name
'Meagher E P'
_journal_name_full 'American Mineralogist'
_journal_volume 61 
_journal_year 1976
_journal_page_first 67
_journal_page_last 73
_publ_section_title
;
 The atomic arrangement of pellyite: Ba2Ca(Fe,Mg)2Si6O17
;
_database_code_amcsd 0000493
_chemical_formula_sum 'Ba2 (Fe1.48 Mg.22 Mn.18 Zn.12) Al.2 Si5.8 Ca O17'
_cell_length_a 15.677
_cell_length_b 7.15
_cell_length_c 14.209
_cell_angle_alpha 90
_cell_angle_beta 90
_cell_angle_gamma 90
_cell_volume 1592.695
_exptl_crystal_density_diffrn      3.590
_symmetry_space_group_name_H-M 'C m c m'
loop_
_space_group_symop_operation_xyz
  'x,y,z'
  '1/2+x,1/2+y,z'
  'x,-y,1/2+z'
  '1/2+x,1/2-y,1/2+z'
  '-x,y,1/2-z'
  '1/2-x,1/2+y,1/2-z'
  '-x,y,z'
  '1/2-x,1/2+y,z'
  'x,-y,-z'
  '1/2+x,1/2-y,-z'
  'x,y,1/2-z'
  '1/2+x,1/2+y,1/2-z'
  '-x,-y,1/2+z'
  '1/2-x,1/2-y,1/2+z'
  '-x,-y,-z'
  '1/2-x,1/2-y,-z'
loop_
_atom_site_label
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
_atom_site_occupancy
Ba   0.13740   0.33260   0.25000   1.00000
Fe   0.29220   0.00000   0.00000   0.74000
Mg   0.29220   0.00000   0.00000   0.11000
Mn   0.29220   0.00000   0.00000   0.09000
Zn   0.29220   0.00000   0.00000   0.06000
Al1   0.34770   0.29820   0.14130   0.05000
Si1   0.34770   0.29820   0.14130   0.95000
Si2   0.00000   0.06120   0.10800   1.00000
Ca   0.50000   0.00000   0.00000   1.00000
O1   0.00000   0.00000   0.00000   1.00000
O2   0.38530   0.13030   0.07980   1.00000
O3   0.08670  -0.02640   0.15210   1.00000
O4   0.25590   0.36900   0.10790   1.00000
O5   0.33300   0.21890   0.25000   1.00000
O6   0.00000   0.28040   0.12860   1.00000
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
Ba 0.00959 0.01243 0.01411 -0.00307 0.00000 0.00000
Fe 0.00685 0.01145 0.00430 0.00000 0.00000 0.00201
Mg 0.00685 0.01145 0.00430 0.00000 0.00000 0.00201
Mn 0.00685 0.01145 0.00430 0.00000 0.00000 0.00201
Zn 0.00685 0.01145 0.00430 0.00000 0.00000 0.00201
Al1 0.01058 0.00609 0.00593 -0.00068 0.00293 0.00057
Si1 0.01058 0.00609 0.00593 -0.00068 0.00293 0.00057
Si2 0.00759 0.00684 0.00583 0.00000 0.00000 -0.00036
Ca 0.00946 0.01049 0.00880 0.00000 0.00000 -0.01647
O1 0.05130 0.04307 0.00378 0.00000 0.00000 0.00077
O2 0.01407 0.01559 0.01759 0.00426 0.00474 -0.00422
O3 0.03312 0.01717 0.02393 0.01028 -0.01512 -0.00803
O4 0.02291 0.02600 0.01718 0.00522 0.00226 0.01024
O5 0.02328 0.01204 0.01718 -0.00170 0.00000 0.00000
O6 0.01619 0.00427 0.02015 0.00000 0.00000 0.00355

X-Ray Powder DiffractionHide

Powder Diffraction Data:

d-spacing	Intensity
3.43 Å	(100)
3.19 Å	(65)
2.308 Å	(60)
3.46 Å	(55)
3.83 Å	(50)
2.117 Å	(50)
3.17 Å	(45)

Comments:

Gun claim, Yukon, Canada. The data are from the type description.

Geological EnvironmentHide

Paragenetic Mode(s):

Paragenetic Mode	Earliest Age (Ga)
High-𝑇 alteration and/or metamorphism
32 : Ba/Mn/Pb/Zn deposits, including metamorphic deposits

Type Occurrence of PellyiteHide

Type Locality:

ⓘ Gun claim, Wilson Lake, Itsi Mountain, Watson Lake mining district, Yukon, Canada

General Appearance of Type Material:

Grains to 2 mm.

Place of Conservation of Type Material:

University of British Columbia, Vancouver, Canada, S-79-21844; National Museum of Natural History, Washington, D.C., USA, 148587.

Geological Setting of Type Material:

Occurs in a contact metasomatic deposit adjacent to a porphyritic quartz monzonite stock; as a massive crystalline constituent of skarns which have developed in original limestone bodies adjacent to the igneous contact.

Associated Minerals at Type Locality:

Witherite	Taramellite	Sanbornite	Quartz	Hedenbergite
Gillespite	Baryte	Andradite	Alforsite

Reference:

Montgomery, J.H., Thompson, R.M., Meagher, E.P. (1972) Pellyite, a new barium silicate mineral from the Yukon Territory. Canadian Mineralogist: 11: 444-447.

Download:

http://rruff.info/rruff_1.0/uploads/CM11_444.pdf

Synonyms of PellyiteHide

IMA1970-035

Other Language Names for PellyiteHide

German:Pellyit

Russian:Пеллиит

Spanish:Pellyita

Varieties of PellyiteHide

Manganese-bearing Pellyite

Common AssociatesHide

Associated Minerals Based on Photo Data:

8 photos of Pellyite associated with Gillespite	BaFe²⁺Si₄O₁₀
7 photos of Pellyite associated with Quartz	SiO₂
4 photos of Pellyite associated with Sanbornite	Ba₂(Si₄O₁₀)
4 photos of Pellyite associated with Cerchiaraite-(Fe)	Ba₄Fe³⁺₄O₃(OH)₃(Si₄O₁₂)[Si₂O₃(OH)₄]Cl
3 photos of Pellyite associated with Itsiite	Ba₄Ca₂[Si₈B₄O₂₈]◻
3 photos of Pellyite associated with Witherite	BaCO₃
2 photos of Pellyite associated with Hedenbergite	CaFe²⁺Si₂O₆
1 photo of Pellyite associated with Pyrite	FeS₂
1 photo of Pellyite associated with Montmorillonite	(Na,Ca)_0.33(Al,Mg)₂(Si₄O₁₀)(OH)₂ · nH₂O
1 photo of Pellyite associated with Titantaramellite	Ba₄(Ti,Fe³⁺,Fe²⁺,Mg)₄(B₂Si₈O₂₇)O₂Cl_x

Related Minerals - Strunz-mindat Grouping Hide

9.DO.	Braccoite	NaMn²⁺₅[Si₅As⁵⁺O₁₇(OH)](OH)	Tric. 1 : P1
9.DO.	Illoqite-(Ce)	Na₂NaBaCeZnSi₆O₁₇	Orth. mmm (2/m 2/m 2/m) : Pcca
9.DO.05	Pyroxferroite	(Fe,Mn,Ca)SiO₃	Tric.
9.DO.05	Pyroxmangite	Mn²⁺SiO₃	Tric. 1 : P1
9.DO.15	Nordite-(Ce)	(Ce,La)(Sr,Ca)Na₂(Na,Mn)(Zn,Mg)Si₆O₁₇	Orth. mmm (2/m 2/m 2/m) : Pcca
9.DO.15	Nordite-(La)	(La,Ce)(Sr,Ca)Na₂(Na,Mn)(Zn,Mg)Si₆O₁₇	Orth. mmm (2/m 2/m 2/m) : Pcca
9.DO.15	Ferronordite-(Ce)	Na₃SrCeFe²⁺Si₆O₁₇	Orth. mmm (2/m 2/m 2/m) : Pcca
9.DO.15	Manganonordite-(Ce)	Na₃SrCeMn²⁺Si₆O₁₇	Orth. mmm (2/m 2/m 2/m) : Pcca
9.DO.15	Ferronordite-(La)	Na₃Sr(La,Ce)FeSi₆O₁₇	Orth.
9.DO.15	Meieranite	Na₂Sr₃MgSi₆O₁₇	Orth.
9.DO.20	Alamosite	PbSiO₃	Mon. 2/m : P2/m
9.DO.25	Liebauite	Ca₃Cu₅Si₉O₂₆	Mon. 2/m : B2/b
9.DO.30	Vladykinite	Na₃Sr₄(Fe²⁺Fe³⁺)Si₈O₂₄	Mon. 2/m : P2₁/b

Other InformationHide

Thermal Behaviour:

Fuses at 3.

Notes:

Decomposes in dilute acid leaving a white residue.

Health Risks:

No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.

Internet Links for PellyiteHide

mindat.org URL:

https://www.mindat.org/min-3145.html
Please feel free to link to this page.

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External Links:

Look for Pellyite on Webmineral

Look for Pellyite on Wikipedia

Look for Pellyite 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

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References for PellyiteHide

Reference List:

Montgomery, J. H., Thompson, R. M., Meagher, E. P. (1972) Pellyite; a new barium silicate mineral from the Yukon Territory. The Canadian Mineralogist, 11 (2) 444-447

Meagher, E.P. (1976) The atomic arrangement of pellyite: Ba2Ca(Fe,Mg)2Si6O17. American Mineralogist: 61: 67-73.

Pabst, A., Harris, J. (1984) Pellyite: new localities and new data. Canadian Mineralogist: 22: 653-658.

(2023) Pellyite. Handbook of Mineralogy. Mineralogical Society of America

Localities for PellyiteHide

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 (TL)
Yukon Watson Lake mining district Itsi Mountain Wilson Lake ⓘ Gun claim (TL)	Montgomery et al. (1972) +3 other references

Mexico
Baja California Tres Pozos ⓘ Madrelena Mine	Pabst et al. (1984) +2 other references

USA
California Fresno County Big Creek-Rush Creek Mining District ⓘ Big Creek	Pavel M. Kartashov analytical data 2018
ⓘ Esquire No. 7 claim	Walstrom (n.d.) +1 other reference
ⓘ Esquire No. 8 claim	Van Nostrand Reinholt Press: 465 +5 other references
Mariposa County East Belt Clearing House Mining District Clearing House Trumbull Peak ⓘ Trumbull Peak Ba-silicate deposit	The Mineralogical Record: 30: 414. +1 other reference

Pellyite

About PellyiteHide

Unique IdentifiersHide

IMA Classification of PellyiteHide

Classification of PellyiteHide

Mineral SymbolsHide

Physical Properties of PellyiteHide

Optical Data of PellyiteHide

Chemistry of PellyiteHide

Crystallography of PellyiteHide

Crystal StructureHide

X-Ray Powder DiffractionHide

Geological EnvironmentHide

Type Occurrence of PellyiteHide

Synonyms of PellyiteHide

Other Language Names for PellyiteHide

Varieties of PellyiteHide

Common AssociatesHide

Related Minerals - Strunz-mindat GroupingHide

Other InformationHide

Internet Links for PellyiteHide

References for PellyiteHide

Localities for PellyiteHide

Locality ListHide

Related Minerals - Strunz-mindat Grouping Hide