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Panichiite

A valid IMA mineral species

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Panichiite, etc.

La Fossa crater, Vulcano Island, Lipari, Eolie Islands, Metropolitan City of Messina, Sicily, Italy

Panichiite, etc.

La Fossa crater, Vulcano Island, Lipari, Eolie Islands, Metropolitan City of Messina, Sicily, Italy

Panichiite, etc.

La Fossa crater, Vulcano Island, Lipari, Eolie Islands, Metropolitan City of Messina, Sicily, Italy

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About PanichiiteHide

Ugo Panichi

Formula:

(NH₄)₂SnCl₆

Colour:

Colorless

Lustre:

Vitreous, Sub-Vitreous

Specific Gravity:

2.43

Crystal System:

Isometric

Name:

Named by Francesco DeMartin, Italo Campostrini, and Carlo Maria Gramaccioli in 2009 in honor of Ugo Panichi [August 22, 1872 Firenze, Italy - March 11, 1966 Pavia, Italy], professor of mineralogy at Pavia University and professor of experimental physics at the University of Siena.

Type Locality:

ⓘ La Fossa crater, Vulcano Island, Lipari, Eolie Islands (Aeolian Islands), Metropolitan City of Messina, Sicily, Italy

This page provides mineralogical data about Panichiite.

Unique IdentifiersHide

Mindat ID:

35969

Long-form identifier:

mindat:1:1:35969:2

Similar NamesHide

Pinchite

A valid IMA mineral species

Hg₅²⁺Cl₂O₄

IMA Classification of PanichiiteHide

IMA status:

Approved

IMA Formula:

(N^3-H₄)₂Sn⁴⁺Cl₆

Approval year:

2008

First published:

2009

Classification of PanichiiteHide

Strunz-mindat (2026):

3.00.

3 : HALIDES
0 :
0 :

Dana 8th ed.:

11.5.1.3

11 : HALIDE COMPLEXES
5 : A_mBX₆

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 for Standard
Pnc	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 PanichiiteHide

Lustre:

Vitreous, Sub-Vitreous

Transparency:

Transparent

Colour:

Colorless

Streak:

White

Tenacity:

Brittle

Cleavage:

None Observed

Density:

2.43 g/cm³ (Measured) 2.423 g/cm³ (Calculated)

Optical Data of PanichiiteHide

Type:

Isotropic

RI values:

n = 1.68

Birefringence:

0.0

Surface Relief:

High

Pleochroism:

Non-pleochroic

Chemistry of PanichiiteHide

Mindat Formula:

(NH₄)₂SnCl₆

Element Weights:

Element	% weight
Cl	57.882 %
Sn	32.302 %
N	7.623 %
H	2.194 %

Calculated from ideal end-member formula.

Elements listed:

Cl, H, N, Sn - search for minerals with similar chemistry

Crystallography of PanichiiteHide

Crystal System:

Isometric

Class (H-M):

m3m(4/m32/m) - Hexoctahedral

Space Group:

Fm3m

Setting:

Fm3m

Cell Parameters:

a = 10.0641 Å

Unit Cell V:

1019.31 Å³

Morphology:

Octahedral {111} with rare small cube faces {001}

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)
0006286	Panichiite	Demartin F, Campostrini I, Gramaccioli C M (2009) Panichiite, natural ammonium hexachlorostannate(IV), (NH4)2SnCl6, from La Fossa crater, Vulcano, Aeolian Islands, Italy The Canadian Mineralogist 47 367-372		2009	La Fossa crater, Vulcano, Aeolian Islands, Italy	0	293

CIF Raw Data - click here to close

data_global
_chemical_name_mineral 'Panichiite'
loop_
_publ_author_name
'Demartin F'
'Campostrini I'
'Gramaccioli C M'
_journal_name_full 'The Canadian Mineralogist'
_journal_volume 47 
_journal_year 2009
_journal_page_first 367
_journal_page_last 372
_publ_section_title
;
 Panichiite, natural ammonium hexachlorostannate(IV), (NH4)2SnCl6,
 from La Fossa crater, Vulcano, Aeolian Islands, Italy
;
_database_code_amcsd 0006286
_chemical_compound_source 'La Fossa crater, Vulcano, Aeolian Islands, Italy'
_chemical_formula_sum 'Sn Cl6 N2 H8'
_cell_length_a 10.064
_cell_length_b 10.064
_cell_length_c 10.064
_cell_angle_alpha 90
_cell_angle_beta 90
_cell_angle_gamma 90
_cell_volume 1019.323
_exptl_crystal_density_diffrn      2.395
_symmetry_space_group_name_H-M 'F m 3 m'
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loop_
_atom_site_label
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
_atom_site_U_iso_or_equiv
Sn   0.00000   0.00000   0.00000   0.02359
Cl   0.00000   0.24131   0.00000   0.03669
N   0.25000   0.25000   0.25000   0.04000
H   0.30700   0.30700   0.30700   0.25000
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
Sn 0.02359 0.02359 0.02359 0.00000 0.00000 0.00000
Cl 0.04430 0.02150 0.04430 0.00000 0.00000 0.00000
N 0.04000 0.04000 0.04000 0.00000 0.00000 0.00000

X-Ray Powder DiffractionHide

Powder Diffraction Data:

d-spacing	Intensity
5.81 Å	(100)
5.03 Å	(73)
3.035 Å	(48)
2.516 Å	(69)
2.250 Å	(39)
1.937 Å	(23)
1.779 Å	(42)
1.701 Å	(22)

Locality:

La Fossa crater, Vulcano Island, Lipari, Eolie Islands (Aeolian Islands), Metropolitan City of Messina, Sicily, Italy

Geological EnvironmentHide

Paragenetic Mode(s):

Paragenetic Mode	Earliest Age (Ga)
Stage 7: Great Oxidation Event	<2.4
45b : [Other oxidized fumarolic minerals]
Stage 10a: Neoproterozoic oxygenation/terrestrial biosphere	<0.6
50 : Coal and/or oil shale minerals	<0.36
Stage 10b: Anthropogenic minerals	<10 Ka
54 : Coal and other mine fire minerals (see also #51 and #56)

Type Occurrence of PanichiiteHide

Type Locality:

ⓘ La Fossa crater, Vulcano Island, Lipari, Eolie Islands (Aeolian Islands), Metropolitan City of Messina, Sicily, Italy

General Appearance of Type Material:

Colorless octahedral crystals (sometimes with minor cube faces) and up to 0.2 mm, usually in aggregates.

Place of Conservation of Type Material:

Dipartimento di Chimica Strutturale e Stereochimica Inorganica, University of Milan, Italy (2008-01).

Geological Setting of Type Material:

From a medium-temperature fumarole [250 C] on the edge of a volcanic crater.

Associated Minerals at Type Locality:

Synonyms of PanichiiteHide

IMA2008-005

Other Language Names for PanichiiteHide

Dutch:Panichiiet

German:Panichiit

Common AssociatesHide

Associations Based on Photo Data:

1 photo of Panichiite associated with Alunite

KAl₃(SO₄)₂(OH)₆

Related Minerals - Strunz-mindat Grouping Hide

3.00.	Fluornatrocoulsellite	CaNa₃AlMg₃F₁₄	Trig. 3m(32/m) : R3m
3.00.	Paratacamite-(Mg)	Cu₃(Mg,Cu)(OH)₆Cl₂	Trig. 3 : R3

Fluorescence of PanichiiteHide

In UV light:

Not fluorescent in UV

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.

Internet Links for PanichiiteHide

mindat.org URL:

https://www.mindat.org/min-35969.html
Please feel free to link to this page.

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External Links:

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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:

Buy from D. Joyce minerals

References for PanichiiteHide

Reference List:

Demartin, F., Campostrini, I., Gramaccioli, C. M. (2009) Panichiite, natural ammonium hexachlorostannate(IV), (NH₄)₂SnCl₆, from La Fossa crater, Vulcano, Aeolian Islands, Italy. The Canadian Mineralogist, 47 (2) 367-372 doi:10.3749/canmin.47.2.367

(2022) Panichiite. Handbook of Mineralogy. Mineralogical Society of America

Localities for PanichiiteHide

Showing 2 localities.

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.

Hide all sections | Show all sections

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.


Italy (TL)
Sicily Metropolitan City of Messina Eolie Islands (Aeolian Islands) Lipari Vulcano Island ⓘ La Fossa crater (TL)	Demartin et al. (2009)

Poland
Silesian Voivodeship Wodzisław County Radlin ⓘ Marcel mine heap ?	Kruszewski (2012)

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Panichiite

About PanichiiteHide

Unique IdentifiersHide

Similar NamesHide

IMA Classification of PanichiiteHide

Classification of PanichiiteHide

Mineral SymbolsHide

Physical Properties of PanichiiteHide

Optical Data of PanichiiteHide

Chemistry of PanichiiteHide

Crystallography of PanichiiteHide

Crystal StructureHide

X-Ray Powder DiffractionHide

Geological EnvironmentHide

Type Occurrence of PanichiiteHide

Synonyms of PanichiiteHide

Other Language Names for PanichiiteHide

Common AssociatesHide

Related Minerals - Strunz-mindat GroupingHide

Fluorescence of PanichiiteHide

Other InformationHide

Internet Links for PanichiiteHide

References for PanichiiteHide

Localities for PanichiiteHide

Locality ListHide

Related Minerals - Strunz-mindat Grouping Hide