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Gageite

A valid IMA mineral species - grandfathered

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Photos of Gageite (35)

Gageite Gallery Search Photos of Gageite

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Gageite

Franklin Mine, Franklin, Sussex County, New Jersey, USA

Gageite

Monte Nero Mine, Rocchetta di Vara, La Spezia Province, Liguria, Italy

Gageite, etc.

N'Chwaning II Mine, N'Chwaning Mines, Joe Morolong Local Municipality, John Taolo Gaetsewe District Municipality, Northern Cape, South Africa

Gageite

Franklin Mine, Franklin, Sussex County, New Jersey, USA

Gageite

Monte Nero Mine, Rocchetta di Vara, La Spezia Province, Liguria, Italy

Gageite, etc.

N'Chwaning II Mine, N'Chwaning Mines, Joe Morolong Local Municipality, John Taolo Gaetsewe District Municipality, Northern Cape, South Africa

Gageite

Franklin Mine, Franklin, Sussex County, New Jersey, USA

Gageite

Monte Nero Mine, Rocchetta di Vara, La Spezia Province, Liguria, Italy

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About GageiteHide

Robert Burns Gage

Formula:

Mn₂₁(Si₄O₁₂)₂O₃(OH)₂₀

Colour:

Usually brownish purple, brown, pinkish brown, light pink, light brown, also colorless in small crystals

Lustre:

Vitreous, Sub-Vitreous

Hardness:

Specific Gravity:

3.46 - 3.584

Crystal System:

Monoclinic

Name:

Named in 1910 by Alexander Hamilton Phillips in honor of Robert Burns Gage [November 20, 1875 Kaneville, Venango County, Pennsylvania, USA - February 28, 1946 Trenton, New Jersey, USA] chemist with the New Jersey Highway Department. Gage held "numerous patents" relating to highway construction and introduced using weights of cement, rather than volumes of cement, when making concrete roads. Gage analyzed the first specimens of gageite. Gage named chlorophoenicite and schallerite.

Type Locality:

ⓘ Franklin Mine, Franklin, Sussex County, New Jersey, USA

Isostructural with:

Balangeroite

Two polytypes are known, gageite-1A and gageite-2M, and are often present in the same "crystal".

Unique IdentifiersHide

Mindat ID:

1631

Long-form identifier:

mindat:1:1:1631:1

GUID
(UUID V4):

0201e9d1-bd58-46b6-843c-1053c950bf03

IMA Classification of GageiteHide

IMA status:

Approved, 'Grandfathered' (first described prior to 1959)

IMA Formula:

Mn²⁺₂₁Si₈O₂₇(OH)₂₀

First published:

1910

Type description reference:

Phillips, A.H. (1910) Gageite, a new mineral from Franklin, New Jersey. American Journal of Science: 30: 283-284.

Classification of GageiteHide

Strunz-mindat (2024):

9.DH.35

9 : SILICATES (Germanates)
D : Inosilicates
H : Inosilicates with 4-periodic single chains, Si₄O₁₂

Hey's CIM Ref.:

14.7.22

14 : Silicates not Containing Aluminum
7 : Silicates of Ba, Sr and Zn

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
Gge	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 GageiteHide

Lustre:

Vitreous, Sub-Vitreous

Transparency:

Transparent, Translucent

Colour:

Usually brownish purple, brown, pinkish brown, light pink, light brown, also colorless in small crystals

Hardness:

3 on Mohs scale

Tenacity:

Brittle

Cleavage:

Distinct/Good
On {110}

Density:

3.46 - 3.584 g/cm³ (Measured) 3.599 g/cm³ (Calculated)

Optical Data of GageiteHide

Type:

Biaxial (-)

RI values:

n_α = 1.723 n_β = 1.734 n_γ = 1.736

Birefringence:

0.013

Max Birefringence:

δ = 0.013

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

Surface Relief:

High

Dispersion:

r > v

Chemistry of GageiteHide

Mindat Formula:

Mn₂₁(Si₄O₁₂)₂O₃(OH)₂₀

Elements listed:

H, Mn, O, Si - search for minerals with similar chemistry

Crystallography of GageiteHide

Polytype:

Formula:

Crystal System:

Class (H-M)

Space Group:

Space Group Setting:

Cell Parameters:

Ratio:

Unit Cell Volume (calc):

Gageite-1A	Gageite-2M
(Mn,Mg,Zn)₄₂Si₁₆O₅₄(OH)₄₀	(Mn,Mg,Zn)₄₂Si₁₆O₅₄(OH)₄₀
Triclinic	Monoclinic
1 - Pinacoidal	2/m - Prismatic
P1

a = 14.17 Å, b = 14.07 Å, c = 9.84 Å α = 76.5°, β = 76.6°, γ = 86.9°	a = 19.42 Å, b = 19.42 Å, c = 9.84 Å β = 89.5°
a:b:c = 1.007 : 1 : 0.699	a:b:c = 1 : 1 : 0.507
V 1,855.68 Å³ (Calculated from Unit Cell)	V 3,710.88 Å³ (Calculated from Unit Cell)
1	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	Link	Year	Locality	Pressure (GPa)	Temp (K)
0000192	Gageite	Moore P B (1969) A novel octahedral framework structure: gageite American Mineralogist 54 1005-1017		1969		0	293

CIF Raw Data - click here to close

data_global
_chemical_name_mineral 'Gageite'
loop_
_publ_author_name
'Moore P B'
_journal_name_full 'American Mineralogist'
_journal_volume 54 
_journal_year 1969
_journal_page_first 1005
_journal_page_last 1017
_publ_section_title
;
 A novel octahedral framework structure: gageite
;
_database_code_amcsd 0000192
_chemical_formula_sum 'Mg2.01 Mn4.99 Si2 O15 H10'
_cell_length_a 13.79
_cell_length_b 13.68
_cell_length_c 3.279
_cell_angle_alpha 90
_cell_angle_beta 90
_cell_angle_gamma 90
_cell_volume 618.574
_exptl_crystal_density_diffrn      3.378
_symmetry_space_group_name_H-M 'P n n m'
loop_
_space_group_symop_operation_xyz
  'x,y,z'
  '1/2+x,1/2-y,1/2+z'
  '1/2-x,1/2+y,1/2-z'
  '1/2-x,1/2+y,1/2+z'
  '1/2+x,1/2-y,1/2-z'
  'x,y,-z'
  '-x,-y,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
Mg1   0.00000   0.00000   0.50000   0.83000   0.00532
Mn1   0.00000   0.00000   0.50000   0.17000   0.00532
Mg2   0.33820   0.38470   0.50000   0.59000   0.01026
Mn2   0.33820   0.38470   0.50000   0.41000   0.01026
Mn3   0.42270   0.15200   0.00000   1.00000   0.01469
Mn4   0.10130   0.44930   0.00000   1.00000   0.01001
Si1   0.21110   0.09740   0.50000   0.50000   0.00405
Si2   0.06840   0.19520   0.00000   0.50000   0.00215
O1   0.50000   0.00000   0.00000   1.00000   0.01925
O-H2   0.33160   0.09400   0.50000   1.00000   0.01988
O-H3   0.34110   0.28600   0.00000   1.00000   0.00950
O-H4   0.49010   0.40290   0.50000   0.50000   0.01900
O-H5   0.35050   0.48950   0.00000   1.00000   0.01608
O-H6   0.18790   0.39040   0.50000   1.00000   0.00975
O-H7   0.01760   0.30600   0.00000   0.50000   0.01621
O8   0.15560   0.17990   0.32300   0.50000   0.00367
O9   0.19280   0.14750   0.02400   0.50000   0.01646

X-Ray Powder DiffractionHide

Powder Diffraction Data:

d-spacing	Intensity
9.712 Å	(12)
6.895 Å	(31)
6.840 Å	(32)
6.128 Å	(39)
4.357 Å	(13)
4.329 Å	(11)
3.815 Å	(3)
3.448 Å	(19)
3.420 Å	(100)
3.343 Å	(8)
3.319 Å	(24)
3.237 Å	(48
3.190 Å	(16)
3.107 Å	(11)
3.064 Å	(36)
2.894 Å	(5)
2.744 Å	(39)
2.717 Å	(39)
2.704 Å	(52)
2.662 Å	(61)
2.614 Å	(93)
2.558 Å	(14)
2.543 Å	(9)
2.487 Å	(9)
2.360 Å	(2)
2.351 Å	(3)
2.341 Å	(3)
2.333 Å	(5)
2.304 Å	(18)
2.298 Å	(23)
2.267 Å	(5)
2.239 Å	(9)
2.165 Å	(7)
2.143 Å	(11)
2.107 Å	(11)
2.101 Å	(12)
2.086 Å	(18)
2.077 Å	(1)
2.052 Å	(2)
2.017 Å	(11)
2.010 Å	(8)
1.9499 Å	(3)
1.9424 Å	(5)
1.9154 Å	(4)
1.9076 Å	(5)
1.9017 Å	(3)
1.8802 Å	(7)
1.8645 Å	(4)
1.549 Å	(10)
1.8065 Å	(2)
1.7961 Å	(8)
1.7573 Å	(2)
1.7238 Å	(2)
1.7102 Å	(3)
1.7071 Å	(2)
1.6887 Å	(4)
1.6787 Å	(10)
1.6760 Å	(10)
1.6712 Å	(13)
1.6664 Å	(32)

Comments:

ICDD 25-1201 On Franklin, NJ, material.

Geological EnvironmentHide

Paragenetic Mode(s):

Paragenetic Mode	Earliest Age (Ga)
High-𝑇 alteration and/or metamorphism
32 : Ba/Mn/Pb/Zn deposits, including metamorphic deposits
Stage 7: Great Oxidation Event	<2.4
47a : [Near-surface hydration of prior minerals]
47e : [Vanadates, chromates, manganates]
47h : [Near-surface oxidized, dehydrated minerals]

Type Occurrence of GageiteHide

Type Locality:

ⓘ Franklin Mine, Franklin, Sussex County, New Jersey, USA

General Appearance of Type Material:

Well crystallized, delicate, acicular and hairlike, often radiated and grouped in bundles extending out from the walls of small cavities. It also occurs as a mat of interlocking crystals, or fan-shaped groups.

Place of Conservation of Type Material:

National Museum of Natural History, Smithsonian Institution, Washington, D.C., USA (R6444, 86845).

Geological Setting of Type Material:

In veins and solution cavities traversing massive ore in a metamorphosed stratiform Precambrian Zn-Fe-Mn orebody.

Associated Minerals at Type Locality:

Zincite	Willemite	Sclarite	Pyrochroite	Leucophoenicite
Chlorophoenicite	Calcite

Reference:

Phillips, A.H. (1910) Gageite, a new mineral from Franklin, New Jersey. American Journal of Science: 30: 283-284.

Download:

https://rruff.info/rruff_1.0/uploads/The_American_journal_of_science_180_1910_283.pdf

Synonyms of GageiteHide

Dosulite

Other Language Names for GageiteHide

German:Gageit

Spanish:Gageita

Common AssociatesHide

Associated Minerals Based on Photo Data:

27 photos of Gageite associated with Rhodochrosite	MnCO₃
11 photos of Gageite associated with Shigaite	Mn₆Al₃(OH)₁₈[Na(H₂O)₆](SO₄)₂ · 6H₂O
9 photos of Gageite associated with Calcite	CaCO₃
8 photos of Gageite associated with Zincite	ZnO
7 photos of Gageite associated with Willemite	Zn₂SiO₄
5 photos of Gageite associated with Sclarite	Zn₇(CO₃)₂(OH)₁₀
5 photos of Gageite associated with Olmiite	CaMn²⁺[SiO₃(OH)](OH)
5 photos of Gageite associated with Oyelite	Ca₁₀Si₈B₂O₂₉ · 12.5H₂O
4 photos of Gageite associated with Hematite	Fe₂O₃
3 photos of Gageite associated with Hausmannite	Mn²⁺Mn³⁺₂O₄

Related Minerals - Strunz-mindat Grouping Hide

9.DH.	Gageite-2M	(Mn,Mg,Zn)₄₂Si₁₆O₅₄(OH)₄₀	Mon. 2/m
9.DH.	Bavsiite	Ba₂V₂O₂[Si₄O₁₂]	Tet. 4/m : I4/m
9.DH.	Devilliersite	Ca₄Ca₂Fe³⁺₁₀O₄[(Fe³⁺₁₀Si₂)O₃₆]	Tric. 1 : P1
9.DH.	Yuzuxiangite	Sr₃Fe³⁺(Si₂O₆)₂(OH) · 3H₂O	Mon. 2/m : P2₁/m
9.DH.	Louisfuchsite	Ca₂(Mg₄Ti₂)(Al₄Si₂)O₂₀	Tric. 1 : P1
9.DH.05	Leucophanite	NaCaBeSi₂O₆F	Orth. 2 2 2 : P2₁ 2₁ 2₁
9.DH.10	Ohmilite	Sr₃(Ti,Fe³⁺)(Si₄O₁₂)(O,OH) · 2-3H₂O	Mon. 2/m : P2₁/m
9.DH.15	Haradaite	SrVSi₂O₇	Orth. mmm (2/m 2/m 2/m)
9.DH.15	Suzukiite	BaVSi₂O₇	Orth.
9.DH.20	Batisite	BaNaNaTi₂(Si₄O₁₂)O₂	Orth. mmm (2/m 2/m 2/m) : Imma
9.DH.20	Shcherbakovite	(K,Ba)KNa(Ti,Nb)₂(Si₄O₁₂)O₂	Orth. mmm (2/m 2/m 2/m) : Imma
9.DH.20	Noonkanbahite	BaKNaTi₂(Si₄O₁₂)O₂	Orth. mmm (2/m 2/m 2/m) : Imma
9.DH.25	Taikanite	Sr₃BaMn²⁺₂(Si₄O₁₂)O₂	Mon. 2 : B2
9.DH.30	Krauskopfite	BaSi₂O₅ · 3H₂O	Mon. 2/m : P2₁/b
9.DH.35	Balangeroite	(Mg,Fe²⁺,Fe³⁺,Mn²⁺)₄₂Si₁₆O₅₄(OH)₄₀	Mon. 2/m
9.DH.40	Aenigmatite	Na₄[Fe²⁺₁₀Ti₂]O₄[Si₁₂O₃₆]	Tric. 1 : P1
9.DH.40	Dorrite	Ca₄(Mg₃Fe³⁺₉)O₄(Si₃Al₈Fe³⁺O₃₆)	Tric.
9.DH.40	Høgtuvaite	Ca₄[Fe²⁺₆Fe³⁺₆]O₄[Si₈Be₂Al₂O₃₆]	Tric. 1 : P1
9.DH.40	Krinovite	Na₂Mg₄Cr³⁺₂(Si₆O₁₈)O₂	Tric. 1 : P1
9.DH.40	Makarochkinite	(Ca,Na)₄[Fe²⁺₈Fe³⁺₂Ti₂]O₄[Si₈Be₂Al₂O₃₆]	Tric. 1 : P1
9.DH.40	Rhönite	Ca₄[Mg₈Fe³⁺₂Ti₂]O₄[Si₆Al₆O₃₆]	Tric. 1 : P1
9.DH.40	Serendibite	Ca₄[Mg₆Al₆]O₄[Si₆B₃Al₃O₃₆]	Tric. 1 : P1
9.DH.40	Welshite	Ca₄Mg₉Sb₃O₄[Si₆Be₃AlFe₂O₃₆]	Tric. 1 : P1
9.DH.40	Wilkinsonite	Na₂Fe²⁺₄Fe³⁺₂(Si₆O₁₈)O₂	Tric. 1 : P1
9.DH.40	Leucorhönite	Ca₂(Mg,Fe³⁺,Al)₆(Si,Al)₆O₂₀	Tric.
9.DH.40	Kuratite	Ca₂(Fe²⁺₅Ti)O₂[Si₄Al₂O₁₈]	Tric. 1 : P1
9.DH.40	Khesinite	Ca₄(Mg₃Fe³⁺₉)O₄(Fe³⁺₉Si₃)O₃₆	Tric. 1 : P1
9.DH.40	UM1991-29-SiO:FeMgNa	Na₄(Mg₅Fe³⁺₇)O₄[Si₉Fe³⁺₃O₃₆]
9.DH.45	Sapphirine	Mg₄(Mg₃Al₉)O₄[Si₃Al₉O₃₆]	Mon. 2/m : P2₁/b
9.DH.50	Khmaralite	(Mg,Al,Fe)₁₆[(Al,Si,Be)₁₂O₃₆]O₄	Mon. 2/m : P2₁/b
9.DH.55	Surinamite	(Mg,Fe)₃Al₄BeSi₃O₁₆	Mon. 2/m
9.DH.55	UM1988-26-SiO:AlMg	Mg₄Al₂O[Si₃Al₂O₁₅]
9.DH.60	Deerite	(Fe,Mn)₆(Fe,Al)₃[Si₆O₁₇]O₃(OH)₅	Mon. 2/m : P2₁/b
9.DH.65	Howieite	Na(Fe,Mn)₁₀(Fe,Al)₂Si₁₂O₃₁(OH)₁₃	Tric.
9.DH.65	Taneyamalite	(Na,Ca)(Mn,Mg,Fe)₁₂Si₁₂(O,OH)₄₄	Tric.
9.DH.70	Johninnesite	Na₂Mn²⁺₉Mg₇(OH)₈[AsO₄]₂[Si₆O₁₇]₂	Tric.
9.DH.75	Agrellite	NaCa₂Si₄O₁₀F	Tric. 1 : P1

Fluorescence of GageiteHide

In UV light:

Not fluorescent in UV

Other InformationHide

Notes:

The crystals dissolve at once in warm dilute nitric acid.

Before the blowpipe the clear crystals assume at once a light bronze color, which darkens on further heating to a deep bronze, or nearly black, but they do not fuse. In the closed tube it yields water with the same change of color.

Health Risks:

No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.

Industrial Uses:

None.

Internet Links for GageiteHide

mindat.org URL:

https://www.mindat.org/min-1631.html
Please feel free to link to this page.

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External Links:

Look for Gageite on Webmineral

Look for Gageite on Wikipedia

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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

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References for GageiteHide

Reference List:

Phillips, A.H. (1910) Gageite, a new mineral from Franklin, New Jersey. American Journal of Science: 30: 283-284.

Palache, Charles (1935) The minerals of Franklin and Sterling Hill, Sussex County, New Jersey. Professional Paper 180. US Geological Survey doi:10.3133/pp180

Anonymous (1946) Obituary, Trenton Evening Times, March 1, 1946, p. 22.

Moore, Paul B. (1968) Relations of the manganese-calcium silicates, gageite and harstigite. American Mineralogist, 53 (1-2) 309-315

Moore, Paul B. (1969) A novel octahedral framework structure: Gageite. American Mineralogist, 54 (7-8) 1005-1017

Dunn, P.J. (1979) The chemical composition of gageite: an empirical formula. American Mineralogist: 64: 1056-1058.

Ferraris, G., Mellini, M., and Merlino, S. (1987) Electron-diffraction and electron microscopy study of balangeroite and gageite: crystal structures, polytypism, and fiber texture. American Mineralogist: 72: 382-391.

Dunn, Pete J. (1995) Franklin and Sterling Hill, New Jersey: The world's most magnificent mineral deposits Vol. 3. The Franklin-Ogdensburg Mineralogical Society.p.460

(2023) Gageite. Handbook of Mineralogy. Mineralogical Society of America

Localities for GageiteHide

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.

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
Liguria Genoa Ne Statale ⓘ Scrava Mine (Statale Mine)	//doi.org/10.57635/MICRO.2023.21.7
La Spezia Province Rocchetta di Vara ⓘ Monte Nero Mine	Balestra C. (2012)

Japan
Ehime Prefecture ⓘ Nagatani mine	Fukuoka et al. (1988)
Kochi Prefecture Nankoku city ⓘ Ananai mine	Minakawa et al. (2008)
Mie Prefecture Watarai District Watarai town ⓘ Kurihara mine	Masutomi Museum specimen (Kyoto) +1 other reference
Saitama Prefecture Chichibu City Urayama ⓘ Hirogawara mine (Hirogawarasawa)	K. Nishikubo et al. (2005) +1 other reference
Tochigi Prefecture Tochigi City Nishikata ⓘ Manako mine	Fukuoka et al. (1988)
Tokushima Prefecture ⓘ Dosu mine	Fukuoka et al. (1988)

Russia
Komi Republic ⓘ Parnok Fe-Mn deposit (Parnokskoye deposit)	webmineral.ru (2020)

South Africa
Northern Cape John Taolo Gaetsewe District Municipality Joe Morolong Local Municipality N'Chwaning Mines ⓘ N'Chwaning I Mine	Cairncross et al. (1995) +1 other reference
ⓘ N'Chwaning II Mine	Cairncross et al. (1995)
ⓘ Wessels Mine	Von Bezing (1991)

South Korea
Gangwon Province Chongson-gun Nam-myon (Sindong-myon) ⓘ Kumjik-san Mine	Kinosaki (1943)

Sweden
Värmland County Filipstad Persberg ore district Pajsberg ⓘ Harstigen Mine	Nysten (2004)

USA
California San Bernardino County Wrightwood ⓘ Heath Canyon occurrences	Cannon Microprobe Services
Santa Clara County Black Wonder Mining District Sugarloaf Mountain ⓘ Pennsylvania Mine	Dunn et al. (1986)
Stanislaus County Ladd-Buckeye Mining District Mount Oso ⓘ Buckeye Mine (Buckeye Mines; Wright Mine)	Huebner +5 other references
New Jersey Sussex County Franklin ⓘ Franklin Mine (TL)	Phillips (1910) +2 other references
Utah Juab County Fish Springs Mountains Fish Springs Mining District ⓘ Crypto Mineral Deposit	Staargaard (2009)

Gageite

About GageiteHide

Unique IdentifiersHide

IMA Classification of GageiteHide

Classification of GageiteHide

Mineral SymbolsHide

Physical Properties of GageiteHide

Optical Data of GageiteHide

Chemistry of GageiteHide

Crystallography of GageiteHide

Crystal StructureHide

X-Ray Powder DiffractionHide

Geological EnvironmentHide

Type Occurrence of GageiteHide

Synonyms of GageiteHide

Other Language Names for GageiteHide

Common AssociatesHide

Related Minerals - Strunz-mindat GroupingHide

Fluorescence of GageiteHide

Other InformationHide

Internet Links for GageiteHide

References for GageiteHide

Localities for GageiteHide

Locality ListHide

Related Minerals - Strunz-mindat Grouping Hide