Potassic-fluoro-pargasite

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Formula:

KCa₂(Mg₄Al)(Si₆Al₂)O₂₂F₂

Pargasite is defined as a pargasite group member with the following dominant elements:
A position: K
C position: Mg as the dominant divalent cation and Al as the dominant trivalent cation.
W position: F as the dominant anion

Colour:

brownish-black

Lustre:

Vitreous

Hardness:

6½

Specific Gravity:

3.46

Crystal System:

Monoclinic

Member of:

Pargasite Root Name Group > Calcium Amphibole Subgroup > w(OH, F, Cl)-dominant Amphibole Group > Amphibole Supergroup

Name:

The pargasite root name originates from the locality in the Pargas Valley ( now Parainen) given in 1814 by Count Fabian Gotthard von Steinheil for the locality in the Pargas Valley, Finland. {Note: Count Fabian Gotthard von Steinheil is not well-known as a mineralogist. He was Governor General of Finland in 1810. Steinheilite was named for him by Johan Gadolin, also in 1814.}

The mineral was originally named fluoro-potassicpargasite (Oberti et al. 2010) , but was later renamed potassic-fluoro-pargasite to comply with the guidelines set forth in teh amphibole nomenclature report of 2012 ( Hawthorne et al 2012)

Type Locality:

ⓘ Tranomaro-Maromby area, Tranomaro, Amboasary Sud, Anosy, Madagascar

This page provides mineralogical data about Potassic-fluoro-pargasite.

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Classification of Potassic-fluoro-pargasiteHide

IMA status:

Approved

Approval year:

2009

Strunz 8th ed.:

8/F.10-X

Nickel-Strunz 10th (pending) ed.:

9.DE.15

9 : SILICATES (Germanates)
D : Inosilicates
E : Inosilicates with 2-periodic double chains, Si₄O₁₁; Clinoamphiboles

Pronounciation of Potassic-fluoro-pargasiteHide

Pronounciation:

Play	Recorded by	Country
	Jolyon & Katya Ralph	United Kingdom

Physical Properties of Potassic-fluoro-pargasiteHide

Lustre:

Vitreous

Colour:

brownish-black

Streak:

pale-grey

Hardness:

6½ on Mohs scale

Cleavage:

Perfect
perfect {110}

Parting:

non observable

Fracture:

Splintery

Density:

3.46 g/cm³ (Measured) 3.151 g/cm³ (Calculated)

Optical Data of Potassic-fluoro-pargasiteHide

Type:

Biaxial (+)

RI values:

n_α = 1.638 n_β = 1.641 n_γ = 1.653

2V:

Measured: 49.6(4)° , Calculated: 53.4°

Max Birefringence:

δ = 0.015

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

Surface Relief:

Moderate

Chemical Properties of Potassic-fluoro-pargasiteHide

Formula:

KCa₂(Mg₄Al)(Si₆Al₂)O₂₂F₂

Pargasite is defined as a pargasite group member with the following dominant elements:
A position: K
C position: Mg as the dominant divalent cation and Al as the dominant trivalent cation.
W position: F as the dominant anion

IMA Formula:

KCa₂(Mg₄Al)Si₆Al₂O₂₂F₂

Elements listed:

Al, Ca, F, K, Mg, O, Si - search for minerals with similar chemistry

Crystallography of Potassic-fluoro-pargasiteHide

Crystal System:

Monoclinic

Class (H-M):

2/m - Prismatic

Space Group:

B2/m

Setting:

C2/m

Cell Parameters:

a = 9.9104(2) Å, b = 17.9739(4) Å, c = 5.3205(1) Å
β = 105.534(2)°°

Ratio:

a:b:c = 0.551 : 1 : 0.296

Unit Cell V:

913.11 Å³

Morphology:

Prismatic

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)
0018305	Potassic-fluoro-pargasite	Oberti R, Boiocchi M, Hawthorne F C, Pagano R, Pagano A (2010) Fluoro-potassic-pargasite, KCa2(Mg4Al)(Si6Al2)O22F2, from the Tranomaro area, Madagascar: mineral description and crystal chemistry Mineralogical Magazine 74 961-967		2010	Tranomaro area, Madagascar	0	293

CIF Raw Data - click here to close

data_global
_chemical_name_mineral 'Potassic-fluoro-pargasite'
loop_
_publ_author_name
'Oberti R'
'Boiocchi M'
'Hawthorne F C'
'Pagano R'
'Pagano A'
_journal_name_full 'Mineralogical Magazine'
_journal_volume 74 
_journal_year 2010
_journal_page_first 961
_journal_page_last 967
_publ_section_title
;
 Fluoro-potassic-pargasite, KCa2(Mg4Al)(Si6Al2)O22F2, from the
 Tranomaro area, Madagascar: mineral description and crystal chemistry
;
_database_code_amcsd 0018305
_chemical_compound_source 'Tranomaro area, Madagascar'
_chemical_formula_sum 'K.691 Na.281 Ca2.03 Mg3.64 Fe.51 Al2.99 Ti.05 Mn.01 Si5.8 O22.74 F1.26 H.74'
_cell_length_a 9.9104
_cell_length_b 17.9739
_cell_length_c 5.3205
_cell_angle_alpha 90
_cell_angle_beta 105.534
_cell_angle_gamma 90
_cell_volume 913.114
_exptl_crystal_density_diffrn      3.153
_symmetry_space_group_name_H-M 'C 1 2/m 1'
loop_
_space_group_symop_operation_xyz
  'x,y,z'
  '1/2+x,1/2+y,z'
  'x,-y,z'
  '1/2+x,1/2-y,z'
  '-x,y,-z'
  '1/2-x,1/2+y,-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
_atom_site_U_iso_or_equiv
KA   0.00000   0.50000   0.00000   0.23300   0.03610
NaA   0.00000   0.50000   0.00000   0.09500   0.03610
CaA   0.00000   0.50000   0.00000   0.01000   0.03610
KAm   0.02690   0.50000   0.05420   0.20600   0.03356
NaAm   0.02690   0.50000   0.05420   0.08300   0.03356
CaAm   0.02690   0.50000   0.05420   0.00900   0.03356
KA2   0.00000   0.53690   0.00000   0.02300   0.02216
NaA2   0.00000   0.53690   0.00000   0.01000   0.02216
CaA2   0.00000   0.53690   0.00000   0.00100   0.02216
CaM4   0.00000   0.28080   0.50000   1.00000   0.00899
MgM1   0.00000   0.08990   0.50000   0.93000   0.00798
Fe2+M1   0.00000   0.08990   0.50000   0.07000   0.00798
MgM2   0.00000   0.17610   0.00000   0.42500   0.00697
AlM2   0.00000   0.17610   0.00000   0.39500   0.00697
Fe2+M2   0.00000   0.17610   0.00000   0.02000   0.00697
Fe3+M2   0.00000   0.17610   0.00000   0.13500   0.00697
TiM2   0.00000   0.17610   0.00000   0.02500   0.00697
MgM3   0.00000   0.00000   0.00000   0.93000   0.00760
Fe2+M3   0.00000   0.00000   0.00000   0.06000   0.00760
Mn2+M3   0.00000   0.00000   0.00000   0.01000   0.00760
SiT1   0.27840   0.08630   0.30650   0.50000   0.00633
AlT1   0.27840   0.08630   0.30650   0.50000   0.00633
SiT2   0.29060   0.17420   0.81720   0.95000   0.00671
AlT2   0.29060   0.17420   0.81720   0.05000   0.00671
O1   0.10390   0.08940   0.21590   1.00000   0.00988
O2   0.11880   0.17400   0.73680   1.00000   0.00950
F3   0.10550   0.00000   0.71370   0.63000   0.01089
O3   0.10550   0.00000   0.71370   0.37000   0.01089
O4   0.36790   0.25170   0.79330   1.00000   0.01153
O5   0.35040   0.14030   0.11520   1.00000   0.01178
O6   0.34380   0.11890   0.61200   1.00000   0.01229
O7   0.33610   0.00000   0.29140   1.00000   0.01570
H   0.16600   0.00000   0.75100   0.37000   0.01267
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
KA 0.04342 0.03273 0.04992 0.00000 0.04215 0.00000
NaA 0.04342 0.03273 0.04992 0.00000 0.04215 0.00000
CaA 0.04342 0.03273 0.04992 0.00000 0.04215 0.00000
KAm 0.03972 0.02782 0.04659 0.00000 0.03422 0.00000
NaAm 0.03972 0.02782 0.04659 0.00000 0.03422 0.00000
CaAm 0.03972 0.02782 0.04659 0.00000 0.03422 0.00000
CaM4 0.01016 0.00818 0.00985 0.00000 0.00471 0.00000
MgM1 0.00878 0.00818 0.00639 0.00000 0.00273 0.00000
Fe2+M1 0.00878 0.00818 0.00639 0.00000 0.00273 0.00000
MgM2 0.00693 0.00655 0.00666 0.00000 0.00198 0.00000
AlM2 0.00693 0.00655 0.00666 0.00000 0.00198 0.00000
Fe2+M2 0.00693 0.00655 0.00666 0.00000 0.00198 0.00000
Fe3+M2 0.00693 0.00655 0.00666 0.00000 0.00198 0.00000
TiM2 0.00693 0.00655 0.00666 0.00000 0.00198 0.00000
MgM3 0.00831 0.00818 0.00612 0.00000 0.00124 0.00000
Fe2+M3 0.00831 0.00818 0.00612 0.00000 0.00124 0.00000
Mn2+M3 0.00831 0.00818 0.00612 0.00000 0.00124 0.00000
SiT1 0.00600 0.00655 0.00612 -0.00087 0.00124 0.00000
AlT1 0.00600 0.00655 0.00612 -0.00087 0.00124 0.00000
SiT2 0.00647 0.00818 0.00612 0.00000 0.00198 0.00047
AlT2 0.00647 0.00818 0.00612 0.00000 0.00198 0.00047
O1 0.00924 0.01309 0.00799 -0.00261 0.00273 -0.00187
O2 0.00785 0.00982 0.00958 0.00000 0.00099 0.00047
F3 0.01062 0.01146 0.01052 0.00000 0.00273 0.00000
O3 0.01062 0.01146 0.01052 0.00000 0.00273 0.00000
O4 0.01478 0.00982 0.01171 -0.00087 0.00595 0.00000
O5 0.01062 0.01309 0.01025 0.00000 0.00124 0.00327
O6 0.01062 0.01309 0.01291 0.00087 0.00322 -0.00373
O7 0.01339 0.01309 0.01984 0.00000 0.00298 0.00000

Type Occurrence of Potassic-fluoro-pargasiteHide

Type Locality:

ⓘ Tranomaro-Maromby area, Tranomaro, Amboasary Sud, Anosy, Madagascar

General Appearance of Type Material:

Sample used for the description was a large single amphibole crystal, 4 mm x 2 mm x 2 cm in size, brownish-black with brownish-yellow phlogopite lamellae adhering to one face of the crystal

Place of Conservation of Type Material:

Fragments of the holotype
specimen are deposited at the Museo di
Mineralogia of the Dipartimento di Scienze
della Terra of the University of Pavia with the
code 2009-02.

Geological Setting of Type Material:

Occurs as a metasomaic replacement ( at conditions T = 800ºC and P = 3 kbar ) of diopside in a skarn.

Associated Minerals at Type Locality:

Phlogopite

Synonyms of Potassic-fluoro-pargasiteHide

IMA2009-091 (in part)

Relationship of Potassic-fluoro-pargasite to other SpeciesHide

Member of:

Pargasite Root Name Group > Calcium Amphibole Subgroup > w(OH, F, Cl)-dominant Amphibole Group > Amphibole Supergroup

Other Members of this group:

Chromio-pargasite	{Na}{Ca₂}{Mg₄Cr³⁺}(Al₂Si₆O₂₂)(OH)₂	Mon. 2/m : B2/m
Ferro-chloro-pargasite	NaCa₂(Fe²⁺₄Al)(Al₂Si₆O₂₂)Cl₂
Ferro-fluoro-pargasite	(Na)(Ca₂)(Fe²⁺₄Al)(Al₂Si₆O₂₂)F₂
Ferro-pargasite	NaCa₂(Fe²⁺₄Al)(Si₆Al₂)O₂₂(OH)₂	Mon.
Fluoro-pargasite	NaCa₂(Mg₄Al)(Si₆Al₂)O₂₂F₂	Mon. 2/m : B2/m
Mangani-pargasite	NaCa₂(Mg₄Mn³⁺)(Si₆Al₂)O₂₂(OH)₂	Mon. 2/m : B2/m
Pargasite	NaCa₂(Mg₄Al)(Si₆Al₂)O₂₂(OH)₂	Mon. 2/m : B2/m
Potassic-chloro-pargasite	KCa₂(Mg₄Al)(Si₆Al₂)O₂₂Cl₂	Mon. 2/m : B2/m
Potassic-ferro-pargasite	KCa₂(Fe²⁺₄Al)(Si₆Al₂)O₂₂(OH)₂	Mon. 2/m : B2/m
Potassic-pargasite	KCa₂(Mg₄Al)(Si₆Al₂)O₂₂(OH)₂	Mon.
Vanadio-pargasite	NaCa₂(Mg³⁺₄V)(Al₂Si₆)O₂₂(OH)₂	Mon. 2/m : B2/m

Related Minerals - Nickel-Strunz Grouping Hide

9.DE.	Clino-suenoite	◻{Mn²⁺₂}{Mg₅}(Si₈O₂₂)(OH)₂	Mon. 2/m : B2/m
9.DE.05	Cummingtonite	◻{Mg₂}{Mg₅}(Si₈O₂₂)(OH)₂	Mon.
9.DE.05	Clino-holmquistite Root Name Group	◻{Li₂}{Z²⁺₃Z³⁺₂}(Si₈O₂₂)(OH,F,Cl)₂	Mon.
9.DE.05	Grunerite	◻{Fe²⁺₂}{Fe²⁺₅}(Si₈O₂₂)(OH)₂	Mon. 2/m : B2/m
9.DE.05	Permanganogrunerite	◻{Mn²⁺₂}{Mn²⁺₅}(Si₈O₂₂)(OH)₂	Mon.
9.DE.05	Ferri-fluoro-leakeite	{Na}{Na₂}{Mg₂Fe³⁺₂Li}(Si₈O₂₂)F₂	Mon. 2/m : B2/m
9.DE.10	Actinolite	◻Ca₂(Mg_4.5-2.5Fe_0.5-2.5)Si₈O₂₂OH₂	Mon. 2/m : B2/m
9.DE.10	Ferri-tschermakite	◻{Ca₂}{Mg₃Fe³⁺₂}(Al₂Si₆O₂₂)(OH)₂	Mon.
9.DE.10	Ferro-actinolite	◻Ca₂Fe²⁺₅(Si₈O₂₂)OH₂	Mon.
9.DE.10	Ferro-hornblende	◻Ca₂(Fe²⁺₄Al)(Si₇Al)O₂₂(OH)₂	Mon.
9.DE.10	Ferro-tschermakite	◻{Ca₂}{Fe²⁺₃Al₂}(Al₂Si₆O₂₂)(OH)₂	Mon. 2/m : B2/m
9.DE.10	Joesmithite	Pb²⁺Ca₂(Mg₃Fe³⁺₂)(Si₆Be₂)O₂₂(OH)₂	Mon.
9.DE.10	Magnesio-hornblende	◻Ca₂(Mg₄Al)(Si₇Al)O₂₂(OH)₂	Mon. 2/m : B2/m
9.DE.10	Tremolite	◻{Ca₂}{Mg₅}(Si₈O₂₂)(OH)₂	Mon. 2/m : B2/m
9.DE.10	Tschermakite	◻(Ca₂)(Mg₃Al₂)(Al₂Si₆O₂₂)(OH)₂	Mon. 2/m : B2/m
9.DE.10	Cannilloite	CaCa₂(Mg₄Al)(Si₅Al₃O₂₂)OH₂	Mon.
9.DE.10	Fluoro-cannilloite	CaCa₂(Mg₄Al)(Si₅Al₃)O₂₂F₂	Mon.
9.DE.10	Parvo-manganotremolite	◻{CaMn²⁺}{Mg₅}(Si₈O₂₂)(OH)₂	Mon. 2/m : B2/m
9.DE.10	Fluoro-tremolite	◻{Ca₂}{Mg₅}(Si₈O₂₂)F₂	Mon. 2/m : B2/m
9.DE.10	Ferro-ferri-hornblende	◻Ca₂(Fe²⁺₄Fe³⁺)(AlSi₇O₂₂)(OH)₂	Mon. 2/m : B2/m
9.DE.15	Edenite	NaCa₂Mg₅(Si₇Al)O₂₂OH₂	Mon.
9.DE.15	Ferro-edenite	NaCa₂Fe²⁺₅(Si₇Al)O₂₂OH₂	Mon.
9.DE.15	Ferro-kaersutite	NaCa₂{Fe²⁺₃AlTi}(Si₆Al₂O₂₂)O₂	Mon.
9.DE.15	Ferro-pargasite	NaCa₂(Fe²⁺₄Al)(Si₆Al₂)O₂₂(OH)₂	Mon.
9.DE.15	Hastingsite	NaCa₂(Fe²⁺₄Fe³⁺)(Si₆Al₂)O₂₂OH₂	Mon.
9.DE.15	Kaersutite	NaCa₂(Mg₃AlTi⁴⁺)(Si₆Al₂)O₂₂O₂	Mon.
9.DE.15	Magnesio-hastingsite	NaCa₂(Mg₄Fe³⁺)(Si₆Al₂)O₂₂(OH)₂	Mon.
9.DE.15	Pargasite	NaCa₂(Mg₄Al)(Si₆Al₂)O₂₂(OH)₂	Mon. 2/m : B2/m
9.DE.15	Sadanagaite	{Na}{Ca₂}{Mg₃Al₂}(Si₅Al₃O₂₂)(OH)₂	Mon.
9.DE.15	Fluoro-edenite	NaCa₂Mg₅(Si₇Al)O₂₂F₂	Mon. 2/m : P2/m
9.DE.15	Potassic-ferro-ferri-sadanagaite	{K}{Ca₂}{Fe²⁺₃Fe³⁺₂}(Al₃Si₅O₂₂)(OH)₂	Mon.
9.DE.15	Potassic-sadanagaite	{K}{Ca₂}{Mg₃Al₂}(Al₃Si₅O₂₂)(OH)₂	Mon.
9.DE.15	Potassic-pargasite	KCa₂(Mg₄Al)(Si₆Al₂)O₂₂(OH)₂	Mon.
9.DE.15	Potassic-ferro-sadanagaite	{K}{Ca₂}{Fe²⁺₃Al₂}(Al₃Si₅O₂₂)(OH)₂	Mon.
9.DE.15	Magnesio-fluoro-hastingsite	NaCa₂(Mg₄Fe³⁺)(Si₆Al₂)O₂₂F₂	Mon. 2/m : B2/m
9.DE.15	Potassic-fluoro-hastingsite	KCa₂(Fe²⁺₄Fe³⁺)(Si₆Al₂)O₂₂F₂	Mon. 2/m : B2/m
9.DE.15	Potassic-chloro-hastingsite	KCa₂(Fe²⁺₄Fe³⁺)(Si₆Al₂)O₂₂Cl₂	Mon. 2/m : B2/m
9.DE.15	Fluoro-pargasite	NaCa₂(Mg₄Al)(Si₆Al₂)O₂₂F₂	Mon. 2/m : B2/m
9.DE.15	Parvo-mangano-edenite	{Na}{CaMn²⁺}{Mg₅}(AlSi₇O₂₂)(OH)₂	Mon. 2/m : B2/m
9.DE.15	Potassic-chloro-pargasite	KCa₂(Mg₄Al)(Si₆Al₂)O₂₂Cl₂	Mon. 2/m : B2/m
9.DE.15	Potassic-ferro-chloro-edenite	KCa₂Fe²⁺₅(AlSi₇O₂₂)Cl₂
9.DE.15	Potassic-magnesio-hastingsite	KCa₂(Mg₄Fe³⁺)(Si₆Al₂)O₂₂(OH)₂	Mon. 2/m : B2/m
9.DE.15	Potassic-ferro-pargasite	KCa₂(Fe²⁺₄Al)(Si₆Al₂)O₂₂(OH)₂	Mon. 2/m : B2/m
9.DE.15	Chromio-pargasite	{Na}{Ca₂}{Mg₄Cr³⁺}(Al₂Si₆O₂₂)(OH)₂	Mon. 2/m : B2/m
9.DE.15	Ferri-kaersutite	NaCa₂(Mg₃Fe³⁺Ti)(Si₆Al₂O₂₂)O₂	Mon. 2/m : B2/m
9.DE.15	Vanadio-pargasite	NaCa₂(Mg³⁺₄V)(Al₂Si₆)O₂₂(OH)₂	Mon. 2/m : B2/m
9.DE.20	Ferro-taramite	Na(CaNa)(Fe²⁺₃Al₂)(Al₂Si₆O₂₂)(OH)₂	Mon. 2/m : B2/m
9.DE.20	Barroisite	◻{CaNa}{Mg₃Al₂}(AlSi₇O₂₂)(OH)₂	Mon.
9.DE.20	Ferro-ferri-barroisite	◻(CaNa)(Fe²⁺₃Fe³⁺₂)(AlSi₇O₂₂)(OH)₂
9.DE.20	Ferro-ferri-winchite	◻[CaNa][Fe²⁺₄(Fe³⁺,Al)]Si₈O₂₂(OH)₂
9.DE.20	Ferri-barroisite	◻(CaNa)(Mg₃Fe³⁺₂)(AlSi₇O₂₂)(OH)₂
9.DE.20	Ferro-ferri-taramite	Na(CaNa)(Fe²⁺₃Fe³⁺₂)(Al₂Si₆O₂₂)(OH)₂
9.DE.20	Ferro-ferri-katophorite	Na(NaCa)(Fe²⁺₄Fe³⁺)(Si₇Al)O₂₂(OH)₂	Mon. 2/m : B2/m
9.DE.20	Ferro-barroisite	◻{CaNa}{Fe²⁺₃Al₂}(AlSi₇O₂₂)(OH)₂	Mon. 2/m : B2/m
9.DE.20	Ferro-richterite	{Na}{CaNa}{Fe²⁺₅}(Si₈O₂₂)(OH)₂	Mon.
9.DE.20	Ferro-winchite	◻{CaNa}{Fe²⁺₄Al}(Si₈O₂₂)(OH)₂	Mon.
9.DE.20	Ferro-katophorite	{Na}{CaNa}{Fe²⁺₄Al}[(AlSi₇)O₂₂](OH)₂	Mon. 2/m : B2/m
9.DE.20	Ferri-katophorite	Na(CaNa)(Mg₄Fe³⁺)(AlSi₇O₂₂)(OH)₂	Mon.
9.DE.20	Ferri-taramite	Na(CaNa)(Mg₃Fe³⁺₂)(Al₂Si₆O₂₂)(OH)₂	Mon.
9.DE.20	Magnesiotaramite	{Na}{CaNa}{Mg₃AlFe³⁺}(Al₂Si₆O₂₂)(OH)₂	Mon.
9.DE.20	Richterite	{Na}{NaCa}{Mg₅}(Si₈O₂₂)(OH)₂	Mon. 2/m : B2/m
9.DE.20	Winchite	◻{CaNa}{Mg₄Al}(Si₈O₂₂)(OH)₂	Mon. 2/m
9.DE.20	Taramite	{Na}{CaNa}{Mg₃Al₂}(Al₂Si₆O₂₂)(OH)₂	Mon. 2/m : B2/m
9.DE.20	Fluoro-richterite	{Na}{CaNa}{Mg₅}(Si₈O₂₂)(F,OH)₂	Mon. 2/m
9.DE.20	Katophorite	{Na}{CaNa}{Mg₄Al}[(AlSi₇)O₂₂](OH)₂	Mon. 2/m : B2/m
9.DE.20	Potassic-fluoro-richterite	{K}{CaNa}{Mg₅}(Si₈O₂₂)(F,OH)₂	Mon.
9.DE.20	Potassic-richterite	{K}{CaNa}{Mg₅}Si₈O₂₂(OH)₂	Mon. 2/m : B2/m
9.DE.20	Ferri-ghoseite	◻[Mn²⁺Na][Mg₄Fe³⁺]Si₈O₂₂(OH)₂	Mon. 2/m
9.DE.20	Ferri-winchite	◻(NaCa)(Mg₄Fe³⁺)Si₈O₂₂(OH)₂	Mon. 2/m : B2/m
9.DE.20	Fluoro-taramite	{Na}{CaNa}{Mg₃Al₂}(Al₂Si₆O₂₂)F₂	Mon. 2/m : B2/m
9.DE.20	Fluoro-katophorite	Na(CaNa)(Mg₄Al)(AlSi₇O₂₂)F₂	Mon.
9.DE.20	Ferri-fluoro-katophorite	Na(CaNa)(Mg₄Fe³⁺)(AlSi₇O₂₂)F₂	Mon. 2/m : B2/m
9.DE.25	Arfvedsonite	[Na][Na₂][Fe²⁺₄Fe³⁺]Si₈O₂₂(OH)₂	Mon. 2/m : B2/m
9.DE.25	Eckermannite	NaNa₂(Mg₄Al}Si₈O₂₂(OH)₂	Mon. 2/m : B2/m
9.DE.25	Ferro-eckermannite	NaNa₂(Fe²⁺₄Al)Si₈O₂₂(OH)₂	Mon.
9.DE.25	Ferro-glaucophane	◻[Na₂][Fe²⁺₃Al₂]Si₈O₂₂(OH)₂	Mon.
9.DE.25	Glaucophane	◻[Na₂][Mg₃Al₂]Si₈O₂₂(OH)₂	Mon.
9.DE.25	Potassic-mangani-leakeite	[(Na,K)][Na₂][Mg₂Mn³⁺₂Li]Si₈O₂₂(OH)₂	Mon.
9.DE.25	Mangano-ferri-eckermannite	{Na}{Na₂}{Mn²⁺₄Fe³⁺}Si₈O₂₂(OH)₂	Mon.
9.DE.25	Ferri-leakeite	[Na][Na₂][Mg₂Fe³⁺₂Li]Si₈O₂₂(OH)₂	Mon.
9.DE.25	Magnesio-riebeckite	◻{Na₂}{Mg₃Fe³⁺₂}(Si₈O₂₂)(OH)₂	Mon.
9.DE.25	Magnesio-arfvedsonite	{Na}{Na₂}{Mg₄Fe³⁺}(Si₈O₂₂)(OH)₂	Mon. 2/m : B2/m
9.DE.25	Nybøite	NaNa₂(Mg₃Al₂)(AlSi₇O₂₂)(OH)₂	Mon. 2/m : B2/m
9.DE.25	Riebeckite	◻[Na₂][Fe²⁺₃Fe³⁺₂]Si₈O₂₂(OH)₂	Mon. 2/m : B2/m
9.DE.25	Mangano-mangani-ungarettiite	NaNa₂(Mn²⁺₂Mn³⁺₃)(Si₈O₂₂)O₂	Mon.
9.DE.25	Ferro-ferri-nybøite	NaNa₂[(Fe²⁺₃,Mg)Fe³⁺₂](AlSi₇O₂₂)(OH)₂	Mon. 2/m : B2/m
9.DE.25	Clino-ferro-ferri-holmquistite	◻{Li₂}{Fe²⁺₃Fe³⁺₂}(Si₈O₂₂)(OH)₂	Mon. 2/m : B2/m
9.DE.25	Ferri-nybøite	NaNa₂(Mg₃Fe³⁺₂](AlSi₇O₂₂)(OH)₂	Mon.
9.DE.25	Ferro-ferri-leakeite	[Na][Na₂][Fe²⁺₂Fe³⁺₂Li]Si₈O₂₂(OH)₂	Mon.
9.DE.25	Ferro-ferri-fluoro-leakeite	Na(Na₂)(Fe²⁺₂Fe³⁺₂Li)(Si₈O₂₂)(F)₂	Mon.
9.DE.25	Sodic-ferri-clinoferroholmquistite	Na_0.5{Li₂}{Fe²⁺₃Fe³⁺₂}(Si₈O₂₂)(OH)₂	Mon.
9.DE.25	Magnesio-fluoro-arfvedsonite	[Na][Na₂][Mg₄Fe³⁺][Si₈O₂₂](F,OH)₂	Mon.
9.DE.25	Ferri-pedrizite	[Na][Li₂][Mg₂Fe³⁺₂Li]Si₈O₂₂(OH)₂	Mon.
9.DE.25	Potassic-ferri-leakeite	[K][Na₂][Mg₂Fe³⁺₂Li]Si₈O₂₂(OH)₂	Mon. 2/m : B2/m
9.DE.25	Fluoro-nybøite	NaNa₂(Mg₃Al₂)(AlSi₇O₂₂)(F,OH)₂	Mon. 2/m : B2/m
9.DE.25	Mangani-dellaventuraite	NaNa₂(MgMn³⁺₂Ti⁴⁺Li)Si₈O₂₂O₂	Mon. 2/m : B2/m
9.DE.25	Fluoro-pedrizite	NaLi₂(Mg₂Al₂Li)(Si₈O₂₂)F₂	Mon. 2/m : B2/m
9.DE.25	Potassic-arfvedsonite	[(K,Na)][Na₂][Fe²⁺₄Fe³⁺]Si₈O₂₂(OH)₂	Mon. 2/m : B2/m
9.DE.25	Mangani-obertiite	NaNa₂(Mg₃Mn³⁺Ti⁴⁺)Si₈O₂₂O₂	Mon. 2/m : B2/m
9.DE.25	Potassic-magnesio-fluoro-arfvedsonite	[(K,Na)][Na₂][Mg₄Fe³⁺][Si₈O₂₂][(F,OH)₂]	Mon. 2/m : B2/m
9.DE.25	Ferro-ferri-pedrizite	[Na][Li₂][Fe²⁺₂Fe³⁺₂Li]Si₈O₂₂(OH)₂	Mon. 2/m : B2/m
9.DE.25	Potassic-magnesio-arfvedsonite	[K][Na₂][Mg₄Fe³⁺]Si₈O₂₂(OH)₂	Mon. 2/m : B2/m
9.DE.25	Pedrizite	NaLi₂(LiMg₂Al₂)(Si₈O₂₂)(OH)₂	Mon. 2/m : B2/m
9.DE.25	Ferro-pedrizite	NaLi₂(Fe²⁺₂Al₂Li)Si₈O₂₂(OH)₂	Mon. 2/m : B2/m
9.DE.25	Ferro-fluoro-pedrizite	Na(Li₂)(Fe²⁺₂Al₂Li)[Si₈O₂₂]F₂	Mon. 2/m : B2/m
9.DE.25	Fluoro-leakeite	NaNa₂(Mg₂Al₂Li)(Si₈O₂₂)F₂	Mon. 2/m : B2/m
9.DE.25	Ferro-ferri-obertiite	NaNa₂(Fe²⁺₃Fe³⁺Ti)Si₈O₂₂O₂	Mon. 2/m : B2/m
9.DE.25	Ferri-obertiite	NaNa₂(Mg₃Fe³⁺Ti)Si₈O₂₂O₂	Mon. 2/m : B2/m

Fluorescence of Potassic-fluoro-pargasiteHide

In UV light:

non-fluorescent

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References for Potassic-fluoro-pargasiteHide

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Oberti, R., Boiocchi, M., Hawthorne, F.C., Pagano, R., Pagano, A. (2010) Fluoro-potassic-pargasite, KCa2(Mg4Al)(Si6Al2)O22F2 from the Tranomaro area, Madagascar: mineral description and crystal chemistry. Mineralogical Magazine: 74: 961-967.

Hawthorne, F.C., Oberti, R., Harlow, G.E., Maresch, W.V., Martin, R.F., Schumacher, J.C., Welch, M.D. (2012) Nomenclature of the amphibole supergroup. American Mineralogist: 97: 2031-2048.

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Localities for Potassic-fluoro-pargasiteHide

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Locality ListHide

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- 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.


Germany
Saxony Mittelsachsen Hartmannsdorf ⓘ Ratssteinbruch ?	Gunnar Färber

Madagascar (TL)
Anosy Amboasary Sud Tranomaro ⓘ Tranomaro-Maromby area (TL)	Oberti, R., Boiocchi, M., Hawthorne, F.C., Pagano, R., Pagano, A. (2010): Fluoro-potassic-pargasite, KCa2(Mg4Al)(Si6Al2)O22F2 from the Tranomaro area, Madagascar: mineral description and crystal chemistry. Mineralogical Magazine, 74, 961-967

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