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Holtite Group

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Photos of Holtite Group (18)Discuss Holtite Group

Holtite Group Gallery Search Photos of Holtite Group

Edit Holtite Group Add Synonym Edit CIF structures Clear Cache

Holtite

Vasin-Myl'k Mt, Voron'i Tundry, Murmansk Oblast, Russia

Nioboholtite, etc.

Mt. Szklana Mine, Szklary, Gmina Ząbkowice Śląskie, Ząbkowice Śląskie County, Lower Silesian Voivodeship, Poland

Holtite

Voron'i Tundry, Murmansk Oblast, Russia

Holtite

Vasin-Myl'k Mt, Voron'i Tundry, Murmansk Oblast, Russia

Nioboholtite, etc.

Mt. Szklana Mine, Szklary, Gmina Ząbkowice Śląskie, Ząbkowice Śląskie County, Lower Silesian Voivodeship, Poland

Holtite

Voron'i Tundry, Murmansk Oblast, Russia

Holtite

Vasin-Myl'k Mt, Voron'i Tundry, Murmansk Oblast, Russia

Nioboholtite, etc.

Mt. Szklana Mine, Szklary, Gmina Ząbkowice Śląskie, Ząbkowice Śląskie County, Lower Silesian Voivodeship, Poland

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About Holtite GroupHide

Member of:

Dumortierite Supergroup

This page provides mineralogical data about Holtite Group.

Unique IdentifiersHide

Mindat ID:

43610

Long-form identifier:

mindat:1:1:43610:4

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	Year	Locality	Temp (K)
0019928	Holtite	Groat L A, Grew E S, Evans R J, Pieczka A, Ercit T S (2009) The crystal chemistry of holtite Mineralogical Magazine 73 1033-1050	2009	Mt. Szklana Mine, Szklary, Zabkowice, Lower Silesia, Poland	293
0019927	Holtite	Groat L A, Grew E S, Evans R J, Pieczka A, Ercit T S (2009) The crystal chemistry of holtite Mineralogical Magazine 73 1033-1050	2009	Greenbushes tinfield, Bridgetown-Greenbushes Shire, Australia	293
0019926	Holtite	Groat L A, Grew E S, Evans R J, Pieczka A, Ercit T S (2009) The crystal chemistry of holtite Mineralogical Magazine 73 1033-1050	2009	Greenbushes tinfield, Bridgetown-Greenbushes Shire, Australia	293
0019925	Holtite	Groat L A, Grew E S, Evans R J, Pieczka A, Ercit T S (2009) The crystal chemistry of holtite Mineralogical Magazine 73 1033-1050	2009	Voroni Tundry, Kola Peninsula, Murmanskaja Oblast, Russia	293
0019738	Holtite	Kazantsev S S, Zubkova N V, Voloshin A V (2006) Refinement of composition and structure of holtite I Crystallography Reports 51 412-413	2006	Voroni Tundry deposit, Kola Peninsula, Russia	293
0019758	Holtite	Zubkova N V, Pushcharovskii D Y, Kabalov Y K, Kazantsev S S, Voloshin A V (2006) Crystal structure of holtite II Crystallography Reports 51 16-22	2006	Kola Peninsula, Russia	293
0014489	Holtite	Hoskins B F, Mumme W G, Pryce M W (1989) Holtite, (Si2.25Sb0.75)B[Al6(Al0.43 Ta0.27[]0.30)O15(O,OH)2.25]: crystal structure and crystal chemistry Mineralogical Magazine 53 457-463	1989	Greenbrushes, Australia	293

CIF Raw Data - click here to close

data_global
_chemical_name_mineral 'Holtite'
loop_
_publ_author_name
'Groat L A'
'Grew E S'
'Evans R J'
'Pieczka A'
'Ercit T S'
_journal_name_full 'Mineralogical Magazine'
_journal_volume 73 
_journal_year 2009
_journal_page_first 1033
_journal_page_last 1050
_publ_section_title
;
 The crystal chemistry of holtite
 Sample: H4
;
_database_code_amcsd 0019928
_chemical_compound_source 'Mt. Szklana Mine, Szklary, Zabkowice, Lower Silesia, Poland'
_chemical_formula_sum 'Al6.54 Ta.11 Si2.186 Sb.62 As.22 B O17.186'
_cell_length_a 4.7264
_cell_length_b 11.981
_cell_length_c 20.566
_cell_angle_alpha 90
_cell_angle_beta 90
_cell_angle_gamma 90
_cell_volume 1164.591
_exptl_crystal_density_diffrn      3.625
_symmetry_space_group_name_H-M 'P n m a'
loop_
_space_group_symop_operation_xyz
  'x,y,z'
  'x,1/2-y,z'
  '-x,1/2+y,-z'
  '1/2-x,1/2+y,1/2+z'
  '1/2+x,1/2-y,1/2-z'
  '1/2+x,y,1/2-z'
  '1/2-x,-y,1/2+z'
  '-x,-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
Al1   0.40480   0.75000   0.25040   0.62000   0.03000
Ta1   0.40480   0.75000   0.25040   0.11000   0.03000
Al2   0.55770   0.61070   0.47330   1.00000   0.01200
Al3   0.05940   0.48930   0.43110   1.00000   0.01000
Al4   0.05960   0.35770   0.28940   0.96000   0.01300
Si1   0.08900   0.75000   0.40800   0.72600   0.01800
Sb1   0.11300   0.75000   0.38640   0.22000   0.01600
As1   0.11300   0.75000   0.38640   0.06000   0.01600
Si2   0.59100   0.52250   0.32950   0.73000   0.00900
Sb2   0.61000   0.55960   0.31710   0.20000   0.01500
As2   0.61000   0.55960   0.31710   0.08000   0.01500
B   0.23400   0.25000   0.41600   1.00000   0.01700
O1   0.37600   0.75000   0.45660   1.00000   0.01300
O2   0.15900   0.75000   0.32860   0.72600   0.02200
O3   0.89100   0.63810   0.42470   1.00000   0.01300
O4   0.40100   0.43630   0.28240   1.00000   0.01200
O5   0.39200   0.55130   0.39480   1.00000   0.01000
O6   0.88600   0.44750   0.35180   1.00000   0.01300
O7   0.65800   0.63500   0.28800   0.73000   0.02200
O8   0.17800   0.25000   0.34980   1.00000   0.01200
O9   0.25300   0.35040   0.44740   1.00000   0.01800
O10   0.76900   0.25000   0.27300   1.00000   0.01400
O11   0.74900   0.46830   0.48710   1.00000   0.00700

Relationship of Holtite Group to other SpeciesHide

Member of:

Dumortierite Supergroup

Other Members of Dumortierite Supergroup:

Dumortierite Group
Szklaryite Group

Holtite Group Members:

Holtite	(Ta_0.6◻_0.4)Al₆BSi₃O₁₈(O,OH)_2.25	Orth. mmm (2/m 2/m 2/m) : Pnma
Nioboholtite	(Nb_0.6◻_0.4)Al₆BSi₃O₁₈	Orth. mmm (2/m 2/m 2/m) : Pbcm
Titanoholtite	(Ti_0.75◻_0.25)Al₆BSi₃O₁₈	Orth. mmm (2/m 2/m 2/m) : Pbcm

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 Holtite GroupHide

mindat.org URL:

https://www.mindat.org/min-43610.html
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Mineral Dealers:

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References for Holtite GroupHide

Reference List:

meetingorganizer.copernicus.org (n.d.) http://meetingorganizer.copernicus.org/EMC2012/EMC2012-26.pdf

Localities for Holtite GroupHide

Showing 9 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.


Argentina
San Luis Province Coronel Pringles Department Estancia Grande Las Águilas deposit ⓘ Virorco pegmatites	[Holtite] Galliski et al. (2012)

Australia
Western Australia Bridgetown-Greenbushes Shire Greenbushes Mine ⓘ Greenbushes Mine	[Holtite] Jacobson et al. (2007)
ⓘ Greenbushes Sn placers	[Holtite] Pryce (1971)

Poland
Lower Silesian Voivodeship Ząbkowice Śląskie County Gmina Ząbkowice Śląskie Szklary ⓘ Mt. Szklana Mine (Szklary pegmatite)	[Holtite, Nioboholtite, Titanoholtite] Pieczka (2000) +5 other references
ⓘ Szklary nickel deposit	[Holtite] Pieczka et al. (2001)

Russia
Chelyabinsk Oblast Karabash ⓘ Dumortierite mine	[Titanoholtite] Anatoly Kasatkin analytical data 2016
Murmansk Oblast Voron'i Tundry ⓘ Vasin-Myl'k Mt	[Holtite] Voloshin et al. (1976) +4 other references

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

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