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Palermoite Group

A group of related mineral species

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Edit Palermoite Group Add Synonym Edit CIF structures Clear Cache

Palermoite

Palermo No. 1 Mine, Groton, Grafton County, New Hampshire, USA

Palermoite

Palermo No. 1 Mine, Groton, Grafton County, New Hampshire, USA

Palermoite

Palermo No. 1 Mine, Groton, Grafton County, New Hampshire, USA

Palermoite

Palermo No. 1 Mine, Groton, Grafton County, New Hampshire, USA

Palermoite

Palermo No. 1 Mine, Groton, Grafton County, New Hampshire, USA

Palermoite

Palermo No. 1 Mine, Groton, Grafton County, New Hampshire, USA

Palermoite

Palermo No. 1 Mine, Groton, Grafton County, New Hampshire, USA

Palermoite

Palermo No. 1 Mine, Groton, Grafton County, New Hampshire, USA

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About Palermoite GroupHide

This page provides mineralogical data about Palermoite Group.

Unique IdentifiersHide

Mindat ID:

52191

Long-form identifier:

mindat:1:1:52191:6

Chemical AnalysisHide

Oxide wt%:

	1
P₂O₅	45.24 %
Al₂O₃	33.42 %
FeO	0.98 %
MnO	0.76 %
CaO	8.36 %
Na₂O	0.34 %
Li₂O	4.21 %
H₂O+	5.36 %
H₂O-	0.07 %
F	1.68 %
Insol	0.27 %
Total:	100.69 %

Empirical formulas:

Sample ID	Empirical Formula
2	(Na1.69Li0.31)Σ2.00(Sr0.95Mg0.04Ca0.02Ba0.01)Σ1.02(Al3.82Mn0.03Fe0.03)Σ3.88(P1.01O4)4(OH)4

Sample references:

ID	Type	Locality	Reference	Notes
1		Buranga pegmatite, Muhororo, Ngororero District, Western Province, Rwanda	von Knorring, O. (1965) Notes on some pegmatite minerals from Rwanda. Bulletin du Service Géologique de Rwanda: 2: 11-14.	The sample also contained MgO, SrO, BaO, and K2O, all in trace amounts.
2	Type Specimen	Palermo No. 1 Mine, Groton, Grafton County, New Hampshire, USA	Schumer, Benjamin N., Yang, Hexiong, Downs, Robert T. (2017) Natropalermoite, Na₂SrAl₄(PO₄)₄(OH)₄, a new mineral isostructural with palermoite, from the Palermo No. 1 mine, Groton, New Hampshire, USA. Mineralogical Magazine, 81 (4) 833-840 doi:10.1180/minmag.2016.080.133	Empirical formula based on 20 oxygen apfu (from electron microprobe)

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)
0018635	Bertossaite	Hatert F, Lefevre P, Fransolet A M (2011) The crystal structure of bertossaite, CaLi2[Al4(PO4)4(OH,F)4] The Canadian Mineralogist 49 1079-1087		2011	Buranga pegmatite, Rwanda	0	293
0000463	Palermoite	Moore P B, Araki T (1975) Palermoite, SrLi2[Al4(OH)4(PO4)4]: Its atomic arrangement and relationship to carminite, Pb2[Fe4(OH)4(AsO4)4] American Mineralogist 60 460-465		1975	Palermo pegmatite, near North Groton, New Hampshire, USA	0	293

CIF Raw Data - click here to close

data_global
_chemical_name_mineral 'Bertossaite'
loop_
_publ_author_name
'Hatert F'
'Lefevre P'
'Fransolet A M'
_journal_name_full 'The Canadian Mineralogist'
_journal_volume 49 
_journal_year 2011
_journal_page_first 1079
_journal_page_last 1087
_publ_section_title
;
 The crystal structure of bertossaite, CaLi2[Al4(PO4)4(OH,F)4]
;
_database_code_amcsd 0018635
_chemical_compound_source 'Buranga pegmatite, Rwanda'
_chemical_formula_sum 'Li3.72 Na.41 Ca.87 Al4 P4 O20 H4'
_cell_length_a 11.476
_cell_length_b 15.744
_cell_length_c 7.228
_cell_angle_alpha 90
_cell_angle_beta 90
_cell_angle_gamma 90
_cell_volume 1305.942
_exptl_crystal_density_diffrn      3.184
_symmetry_space_group_name_H-M 'I m c b'
loop_
_space_group_symop_operation_xyz
  'x,y,z'
  '1/2+x,1/2+y,1/2+z'
  '1/2+x,y,-z'
  '+x,1/2+y,1/2-z'
  '1/2-x,-y,z'
  '-x,1/2-y,1/2+z'
  '1/2+x,-y,z'
  '+x,1/2-y,1/2+z'
  '1/2-x,y,-z'
  '-x,1/2+y,1/2-z'
  '-x,y,z'
  '1/2-x,1/2+y,1/2+z'
  'x,-y,-z'
  '1/2+x,1/2-y,1/2-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
Li(1)   0.50000   0.28510   0.23340   0.93000   0.02000
Na(1)   0.50000   0.28510   0.23340   0.07000   0.02000
Li(2)   0.50000   0.28140   0.32000   0.93000   0.00800
Na(2)   0.50000   0.28140   0.32000   0.07000   0.00800
Ca   0.25000   0.50000   0.50000   0.87000   0.01060
Na   0.25000   0.50000   0.50000   0.13000   0.01060
Al   0.13082   0.37439   0.14050   1.00000   0.00520
P(1)   0.25000   0.29109   0.50000   1.00000   0.00540
P(2)   0.00000   0.45694   0.76810   1.00000   0.00560
O(1)   0.14270   0.26570   0.03310   1.00000   0.01010
O(2)   0.22940   0.35120   0.33640   1.00000   0.01060
O(3)   0.00000   0.39380   0.61230   1.00000   0.01170
O(4)   0.00000   0.40490   0.95580   1.00000   0.00780
O(5)   0.10960   0.48610   0.23990   1.00000   0.00820
O-h(1)   0.00000   0.33680   0.26480   1.00000   0.00760
O-h(2)   0.25000   0.41290   0.00000   1.00000   0.00520
H(1)   0.00000   0.35720   0.37890   1.00000   0.03000
H(2)   0.25000   0.44980   0.00000   1.00000   0.04000

Relationship of Palermoite Group to other SpeciesHide

Palermoite Group Members:

Bertossaite	Li₂CaAl₄(PO₄)₄(OH)₄	Orth. mmm (2/m 2/m 2/m)
Natropalermoite	Na₂SrAl₄(PO₄)₄(OH)₄	Orth. mmm (2/m 2/m 2/m)
Palermoite	Li₂SrAl₄(PO₄)₄(OH)₄	Orth. mmm (2/m 2/m 2/m)

Click on any node to view relationships. Formula-derived relationship network for the group members above. Use Find related species to add formula-neighbour species outside the current group view. Solid links show inferred chemical differences; dashed violet links show same-formula crystallographic differences. Hydration states are not treated as relationship changes. These relationships do not imply any real-world substitution reactions between these species.

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 Palermoite GroupHide

mindat.org URL:

https://www.mindat.org/min-52191.html
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References for Palermoite GroupHide

Reference List:

Localities for Palermoite GroupHide

Showing 17 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.

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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.


Australia
Victoria East Gippsland Shire Glen Valley ⓘ Blue Jacket Tin Mine (Blue Jacket Reef)	[Bertossaite] Birch (2018)
ⓘ Knocker dyke (South Blue Jacket)	[Bertossaite] Eagle et al. (2015) +1 other reference
ⓘ Mt Wills mining district	[Bertossaite] Eagle et al. (2015)
ⓘ Unnamed Pegmatite	[Bertossaite] Museum Victoria Natural Sciences ...

China
Fujian Nanping Yanping District ⓘ Nanping pegmatite field	[Bertossaite] Yunxiang Ni et al. (1990) +1 other reference
ⓘ Pegmatite No. 31	[Bertossaite, Palermoite] Rao +6 other references

Italy
Liguria Savona Province Toirano ⓘ Carmo di Loano Mt. (Giogo di Toirano)	[Palermoite] Cortesogno et al. (1987) +2 other references

Rwanda
Western Province Ngororero District Bwira ⓘ Rubindi pegmatite (Kabilizi)	[Bertossaite] Lefèvre et al. (http://www.minsocam.org/msa/special/pig/PIG_articles/Elba%20Abstracts%2012%20Lefevre.pdf) +1 other reference
Muhororo ⓘ Buranga pegmatite	[Bertossaite] von Knorring (1965) +2 other references

Uganda	[Bertossaite]


USA
Connecticut Middlesex County East Hampton Cobalt ⓘ ~~State Forest Quarry No. 2~~	[Palermoite] Schooner (1961)
Maine Oxford County Paris ⓘ ~~Mount Mica Quarry~~	[Palermoite] King et al. (1994)
New Hampshire Grafton County Groton ⓘ Palermo No. 1 Mine	[Natropalermoite, Palermoite] Mrose (1953) +1 other reference
Rockingham County ⓘ ~~Raymond~~	[Palermoite] Meyers et al. (1956)
ⓘ ~~Smith No. 1 Mine~~	[Palermoite] Smith (2005)

Quick NavTop About Palermoite Group Unique Identifiers Chemical Analysis Crystal Structure Relationships Other Information Internet Links References Localities Locality List

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