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Gillespite Group

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Photos of Gillespite Group (88)Discuss Gillespite Group

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Cuprorivaite

Nickenicher Weinberg, Nickenich, Pellenz, Mayen-Koblenz, Rhineland-Palatinate, Germany

Cuprorivaite

Caspar quarry, Ettringen, Vordereifel, Mayen-Koblenz, Rhineland-Palatinate, Germany

Effenbergerite, etc.

Wessels Mine, Joe Morolong Local Municipality, John Taolo Gaetsewe District Municipality, Northern Cape, South Africa

Cuprorivaite

Nickenicher Weinberg, Nickenich, Pellenz, Mayen-Koblenz, Rhineland-Palatinate, Germany

Cuprorivaite

Caspar quarry, Ettringen, Vordereifel, Mayen-Koblenz, Rhineland-Palatinate, Germany

Effenbergerite, etc.

Wessels Mine, Joe Morolong Local Municipality, John Taolo Gaetsewe District Municipality, Northern Cape, South Africa

Cuprorivaite

Nickenicher Weinberg, Nickenich, Pellenz, Mayen-Koblenz, Rhineland-Palatinate, Germany

Cuprorivaite

Caspar quarry, Ettringen, Vordereifel, Mayen-Koblenz, Rhineland-Palatinate, Germany

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About Gillespite GroupHide

This page provides mineralogical data about Gillespite Group.

Unique IdentifiersHide

Mindat ID:

46997

Long-form identifier:

mindat:1:1:46997:1

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	Pressure (GPa)	Temp (K)
0018772	Wesselsite	Knight K S, Henderson C M B, Clark S M (2010) Structural variations in the wesselsite-effenbergerite (Sr1-xBaxCuSi4O10) solid solution European Journal of Mineralogy 22 411-423	2010	synthetic	0	293
0018771	Wesselsite	Knight K S, Henderson C M B, Clark S M (2010) Structural variations in the wesselsite-effenbergerite (Sr1-xBaxCuSi4O10) solid solution European Journal of Mineralogy 22 411-423	2010	synthetic	0	293
0018770	Wesselsite	Knight K S, Henderson C M B, Clark S M (2010) Structural variations in the wesselsite-effenbergerite (Sr1-xBaxCuSi4O10) solid solution European Journal of Mineralogy 22 411-423	2010	synthetic	0	293
0018769	Wesselsite	Knight K S, Henderson C M B, Clark S M (2010) Structural variations in the wesselsite-effenbergerite (Sr1-xBaxCuSi4O10) solid solution European Journal of Mineralogy 22 411-423	2010	synthetic	0	293
0018768	Wesselsite	Knight K S, Henderson C M B, Clark S M (2010) Structural variations in the wesselsite-effenbergerite (Sr1-xBaxCuSi4O10) solid solution European Journal of Mineralogy 22 411-423	2010	synthetic	0	293
0018767	Wesselsite	Knight K S, Henderson C M B, Clark S M (2010) Structural variations in the wesselsite-effenbergerite (Sr1-xBaxCuSi4O10) solid solution European Journal of Mineralogy 22 411-423	2010	synthetic	0	293
0018775	Effenbergerite	Knight K S, Henderson C M B, Clark S M (2010) Structural variations in the wesselsite-effenbergerite (Sr1-xBaxCuSi4O10) solid solution European Journal of Mineralogy 22 411-423	2010	synthetic	0	293
0018774	Effenbergerite	Knight K S, Henderson C M B, Clark S M (2010) Structural variations in the wesselsite-effenbergerite (Sr1-xBaxCuSi4O10) solid solution European Journal of Mineralogy 22 411-423	2010	synthetic	0	293
0018773	Effenbergerite	Knight K S, Henderson C M B, Clark S M (2010) Structural variations in the wesselsite-effenbergerite (Sr1-xBaxCuSi4O10) solid solution European Journal of Mineralogy 22 411-423	2010	synthetic	0	293
0018763	Effenbergerite	Giester G, Rieck B (1994) Effenbergerite, BaCu[Si4O10], a new mineral from the Kalahari Manganese Field, South Africa: description and crystal structure Mineralogical Magazine 58 663-670	1994	Wessels mine, Kalahari Manganese Field, South Africa	0	293
0013766	Wesselsite	Chakoumakos B C, Fernandez-Baca J A, Boatner L A (1993) Refinement of the structures of the layer silicates MCuSi4O10 (M=Ca,Sr,Ba) by Rietveld analysis of neutron powder diffraction data Journal of Solid State Chemistry 103 105-113	1993	synthetic	0	293
0013767	Effenbergerite	Chakoumakos B C, Fernandez-Baca J A, Boatner L A (1993) Refinement of the structures of the layer silicates MCuSi4O10 (M=Ca,Sr,Ba) by Rietveld analysis of neutron powder diffraction data Journal of Solid State Chemistry 103 105-113	1993	synthetic	0	293
0013768	Cuprorivaite	Chakoumakos B C, Fernandez-Baca J A, Boatner L A (1993) Refinement of the structures of the layer silicates MCuSi4O10 (M=Ca,Sr,Ba) by Rietveld analysis of neutron powder diffraction data Journal of Solid State Chemistry 103 105-113	1993	synthetic	0	293
0018736	Effenbergerite	Janczak J, Kubiak R (1992) Refinement of the structure of barium copper silicate BaCu[Si4O10] at 300 K Acta Crystallographica C48 1299-1301	1992	synthetic	0	293
0018737	Effenbergerite	Lin H C, Liao F L, Wang S L (1992) Structure of BaCuSi4O10 Acta Crystallographica C48 1297-1299	1992	synthetic	0	293
0000897	Gillespite	Hazen R M, Finger L W (1983) High-pressure and high-temperature crystallographic study of the gillespite I-II phase transition American Mineralogist 68 595-603	1983	Fresno Co, California, USA	0	293
0000898	Gillespite	Hazen R M, Finger L W (1983) High-pressure and high-temperature crystallographic study of the gillespite I-II phase transition American Mineralogist 68 595-603	1983	Fresno Co, California, USA	0.9	293
0000899	Gillespite	Hazen R M, Finger L W (1983) High-pressure and high-temperature crystallographic study of the gillespite I-II phase transition American Mineralogist 68 595-603	1983	Fresno Co, California, USA	2.1	293
0020151	Gillespite	Knight K S, Marshall W G, Henderson C M B, Chamberlain A A (2013) Equation of state and a high-pressure structural phase transition in the gillespite-structured phase Ba0.5Sr0.5CuSi4O10 European Journal of Mineralogy 25 909-917	2013	synthetic	4.13	293
0000900	Gillespite	Hazen R M, Finger L W (1983) High-pressure and high-temperature crystallographic study of the gillespite I-II phase transition Note O2 y-coordinate changed to reproduce reported bond lengths American Mineralogist 68 595-603	1983	Fresno Co, California, USA	4.5	293
0020152	Gillespite	Knight K S, Marshall W G, Henderson C M B, Chamberlain A A (2013) Equation of state and a high-pressure structural phase transition in the gillespite-structured phase Ba0.5Sr0.5CuSi4O10 European Journal of Mineralogy 25 909-917	2013	synthetic	4.77	293
0007214	Wesselsite	Knight K S, Henderson C M B (2007) Structural basis for the anomalous low-temperature thermal expansion behavior of the gillespite-structured phase Ba0.5Sr0.5CuSi4O10 European Journal of Mineralogy 19 189-200	2007		0	293
0007213	Wesselsite	Knight K S, Henderson C M B (2007) Structural basis for the anomalous low-temperature thermal expansion behavior of the gillespite-structured phase Ba0.5Sr0.5CuSi4O10 European Journal of Mineralogy 19 189-200	2007		0	293
0007212	Wesselsite	Knight K S, Henderson C M B (2007) Structural basis for the anomalous low-temperature thermal expansion behavior of the gillespite-structured phase Ba0.5Sr0.5CuSi4O10 European Journal of Mineralogy 19 189-200	2007		0	293
0007211	Wesselsite	Knight K S, Henderson C M B (2007) Structural basis for the anomalous low-temperature thermal expansion behavior of the gillespite-structured phase Ba0.5Sr0.5CuSi4O10 European Journal of Mineralogy 19 189-200	2007		0	293
0007210	Wesselsite	Knight K S, Henderson C M B (2007) Structural basis for the anomalous low-temperature thermal expansion behavior of the gillespite-structured phase Ba0.5Sr0.5CuSi4O10 European Journal of Mineralogy 19 189-200	2007		0	293
0007209	Wesselsite	Knight K S, Henderson C M B (2007) Structural basis for the anomalous low-temperature thermal expansion behavior of the gillespite-structured phase Ba0.5Sr0.5CuSi4O10 European Journal of Mineralogy 19 189-200	2007		0	293
0007208	Wesselsite	Knight K S, Henderson C M B (2007) Structural basis for the anomalous low-temperature thermal expansion behavior of the gillespite-structured phase Ba0.5Sr0.5CuSi4O10 European Journal of Mineralogy 19 189-200	2007		0	293
0007207	Wesselsite	Knight K S, Henderson C M B (2007) Structural basis for the anomalous low-temperature thermal expansion behavior of the gillespite-structured phase Ba0.5Sr0.5CuSi4O10 European Journal of Mineralogy 19 189-200	2007		0	293
0007206	Effenbergerite	Knight K S, Henderson C M B (2007) Structural basis for the anomalous low-temperature thermal expansion behavior of the gillespite-structured phase Ba0.5Sr0.5CuSi4O10 European Journal of Mineralogy 19 189-200	2007		0	293
0007205	Effenbergerite	Knight K S, Henderson C M B (2007) Structural basis for the anomalous low-temperature thermal expansion behavior of the gillespite-structured phase Ba0.5Sr0.5CuSi4O10 European Journal of Mineralogy 19 189-200	2007		0	293
0007204	Effenbergerite	Knight K S, Henderson C M B (2007) Structural basis for the anomalous low-temperature thermal expansion behavior of the gillespite-structured phase Ba0.5Sr0.5CuSi4O10 European Journal of Mineralogy 19 189-200	2007		0	293
0007203	Effenbergerite	Knight K S, Henderson C M B (2007) Structural basis for the anomalous low-temperature thermal expansion behavior of the gillespite-structured phase Ba0.5Sr0.5CuSi4O10 European Journal of Mineralogy 19 189-200	2007		0	293
0007202	Effenbergerite	Knight K S, Henderson C M B (2007) Structural basis for the anomalous low-temperature thermal expansion behavior of the gillespite-structured phase Ba0.5Sr0.5CuSi4O10 European Journal of Mineralogy 19 189-200	2007		0	293
0007201	Effenbergerite	Knight K S, Henderson C M B (2007) Structural basis for the anomalous low-temperature thermal expansion behavior of the gillespite-structured phase Ba0.5Sr0.5CuSi4O10 European Journal of Mineralogy 19 189-200	2007		0	293
0007200	Effenbergerite	Knight K S, Henderson C M B (2007) Structural basis for the anomalous low-temperature thermal expansion behavior of the gillespite-structured phase Ba0.5Sr0.5CuSi4O10 European Journal of Mineralogy 19 189-200	2007		0	293
0007199	Effenbergerite	Knight K S, Henderson C M B (2007) Structural basis for the anomalous low-temperature thermal expansion behavior of the gillespite-structured phase Ba0.5Sr0.5CuSi4O10 European Journal of Mineralogy 19 189-200	2007		0	293
0001913	Gillespite	Miletich R, Allan D R, Angel R J (1997) The synthetic Cr2+ silicates BaCrSi4O10 and SrCrSi4O10: The missing links in the gillespite-type ABSi4O10 series CaCrSi4O10 American Mineralogist 82 697-707	1997		0	293
0001912	Gillespite	Miletich R, Allan D R, Angel R J (1997) The synthetic Cr2+ silicates BaCrSi4O10 and SrCrSi4O10: The missing links in the gillespite-type ABSi4O10 series SrCrSi4O10 American Mineralogist 82 697-707	1997		0	293
0001911	Gillespite	Miletich R, Allan D R, Angel R J (1997) The synthetic Cr2+ silicates BaCrSi4O10 and SrCrSi4O10: The missing links in the gillespite-type ABSi4O10 series BaCrSi4O10 American Mineralogist 82 697-707	1997		0	293
0000954	Gillespite	Belsky H L, Rossman G R, Prewitt C T, Gasparik T (1984) Crystal structure and optical spectroscopy (300 to 2200 nm) of CaCrSi4O10 American Mineralogist 69 771-776	1984		0	293
0000472	Gillespite	Hazen R M, Burnham C W (1975) The Crystal Structure of Gillespite II at 26 Kilobars: Correction and Addendum American Mineralogist 60 937-938	1975		0	293
0000429	Gillespite	Hazen R M, Burnham C W (1974) The crystal structures of gillespite I and II: A structure determination at high pressure American Mineralogist 59 1166-1176	1974		0	293
0000030	Gillespite	Pabst A (1943) Crystal structure of gillespite, BaFeSi4O10 American Mineralogist 28 372-390	1943		0	293
0000430	Gillespite	Hazen R M, Burnham C W (1974) The crystal structures of gillespite I and II: A structure determination at high pressure American Mineralogist 59 1166-1176	1974		2.6	293

CIF Raw Data - click here to close

data_global
_chemical_name_mineral 'Wesselsite'
loop_
_publ_author_name
'Knight K S'
'Henderson C M B'
'Clark S M'
_journal_name_full 'European Journal of Mineralogy'
_journal_volume 22 
_journal_year 2010
_journal_page_first 411
_journal_page_last 423
_publ_section_title
;
 Structural variations in the wesselsite-effenbergerite (Sr1-xBaxCuSi4O10)
 solid solution
 Sample: x = .492
;
_database_code_amcsd 0018772
_chemical_compound_source 'Synthetic'
_chemical_formula_sum '(Ba.492 Sr.508) Cu Si4 O10'
_cell_length_a 7.38813
_cell_length_b 7.38813
_cell_length_c 15.8516
_cell_angle_alpha 90
_cell_angle_beta 90
_cell_angle_gamma 90
_cell_volume 865.251
_exptl_crystal_density_diffrn      3.439
_symmetry_space_group_name_H-M 'P 4/n c c'
loop_
_space_group_symop_operation_xyz
  'x,y,z'
  '1/2-y,1/2-x,1/2+z'
  '1/2+y,1/2+x,1/2-z'
  '1/2+y,-x,-z'
  '1/2-y,x,z'
  'x,1/2-y,1/2+z'
  '-x,1/2+y,1/2-z'
  '1/2+x,1/2+y,-z'
  '1/2-x,1/2-y,z'
  'y,x,1/2+z'
  '-y,-x,1/2-z'
  '-y,1/2+x,-z'
  'y,1/2-x,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
Ba   0.25000   0.75000   0.00000   0.49200   0.08500
Sr   0.25000   0.75000   0.00000   0.50800   0.08500
Cu   0.25000   0.25000   0.09230   1.00000   0.09100
Si   0.51260   0.93420   0.15220   1.00000   0.04400
O1   0.45220   0.98750   0.24560   0.50000   0.11300
O2   0.71870   0.00030   0.13410   1.00000   0.09400
O3   0.37530   0.02420   0.08850   1.00000   0.10200

Relationship of Gillespite Group to other SpeciesHide

Gillespite Group Members:

Cuprorivaite	CaCuSi₄O₁₀	Tet. 4/mmm(4/m2/m2/m) : P4/ncc
Effenbergerite	BaCuSi₄O₁₀	Tet. 4/mmm(4/m2/m2/m) : P4/ncc
Gillespite	BaFe²⁺Si₄O₁₀	Tet. 4/mmm(4/m2/m2/m) : P4/ncc
Wesselsite	SrCuSi₄O₁₀	Tet. 4/mmm(4/m2/m2/m) : P4/ncc

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 Gillespite GroupHide

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References for Gillespite GroupHide

Reference List:

Localities for Gillespite GroupHide

Showing 27 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.


Canada
Yukon Watson Lake mining district Itsi Mountain Wilson Lake ⓘ Gun claim	[Gillespite] Montgomery et al. (1972) +4 other references
Macmillan Pass ⓘ Birr claim	[Gillespite] Dunning G.E. et al. (2018)

Germany
Rhineland-Palatinate Mayen-Koblenz Mendig Bell ⓘ Rothenberg Quarry	[Cuprorivaite] Schüller (2013)
Pellenz Nickenich ⓘ Nickenicher Sattel	[Cuprorivaite] Hentschel (1983)
ⓘ Nickenicher Weinberg	[Cuprorivaite] Hentschel (1983)
Vordereifel Ettringen ⓘ Caspar quarry	[Cuprorivaite] Blaß et al. (2001)
ⓘ Xenolith CS-029	[Cuprorivaite] in the collection of Christof Schäfer
ⓘ Xenolith CS-034 (Alfredcasparite-bearing xenolith)	[Wesselsite] in the collection of Christof Schäfer +1 other reference
Vulkaneifel Daun Üdersdorf ⓘ Emmelberg	[Cuprorivaite] Eddy van der Meersche handed the ...

Italy
Campania Metropolitan City of Naples ⓘ Mount Vesuvius	[Cuprorivaite] Mazzi et al. (1962) +1 other reference

Japan
Tokyo Metropolis Hachijō Subprefecture Aogashima Island ⓘ Yuhama beach	[Cuprorivaite] NISHIO-HAMANE et al. (2025)

Mexico
Baja California Ensenada Municipality ⓘ El Alamo	[Gillespite]
ⓘ El Rosario Mine	[Gillespite] Dunning et al. (2018)
Tres Pozos ⓘ Madrelena Mine	[Gillespite] Alfors et al. (1984) +1 other reference

Middle East
ⓘ Hatrurim Formation	[Cuprorivaite] Vapnik et al. (2014)

South Africa
Limpopo Vhembe District Municipality Musina Local Municipality ⓘ Musina	[Cuprorivaite] Cairncross et al. (2022)
Northern Cape John Taolo Gaetsewe District Municipality Joe Morolong Local Municipality ⓘ Wessels Mine	[Effenbergerite, Wesselsite] Giester et al. (1994)

USA
Alaska Yukon-Koyukuk Census Area Alaska Range ⓘ Dry Delta	[Gillespite] J.Washington Acad.Sci. (1922) +1 other reference
Arizona Pima County Ajo Mining District Little Ajo Mountains ⓘ Ajo	[Cuprorivaite] Mazzi et al. (1962)
California Fresno County Big Creek-Rush Creek Mining District ⓘ Big Creek	[Gillespite] Anonymous (1963) +2 other references
ⓘ Esquire No. 7 claim	[Gillespite] Walstrom (n.d.) +3 other references
ⓘ Esquire No. 8 claim	[Gillespite] Bob Walstrom +1 other reference
Rush Creek ⓘ Snow Cap Mine	[Gillespite] Walstrom (n.d.)
Mariposa County East Belt Clearing House Mining District Clearing House Trumbull Peak ⓘ Trumbull Peak Ba-silicate deposit	[Gillespite] Rogers (1932) +5 other references
Tulare County Dumtah ⓘ Baumann prospect (Bauman Ranch)	[Gillespite] Pabst (1978) +2 other references
Oregon Klamath County ⓘ Summit Rock	[Cuprorivaite] Micro Probe Vol. 10 No. 6

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

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