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Yeatmanite

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Sterling Mine, Sterling Hill, Ogdensburg, Franklin Mining District, Sussex Co., New Jersey, USA
© Knut Eldjarn

Formula:
Mn
2+
7
Zn
 
8
Sb
5+
2
[O
 
3
|SiO
 
4
]
 
4
System:TriclinicColour:Clove-brown, rose-pink
Hardness:4
Name:Named after Pope Yeatman, mining engineer at the discovery locality.
This page provides mineralogical data about Yeatmanite.

Classification of Yeatmanite

IMA status:Valid - first described prior to 1959 (pre-IMA) - "Grandfathered"
Strunz 8th edition ID:8/B.09-20
Nickel-Strunz 10th (pending) edition ID:9.AE.45

9 : SILICATES (Germanates)
A : Nesosilicates
E : Nesosilicates with additional anions (O,OH,F,H2O); cations in tetrahedral [4] coordination
Dana 8th edition ID:44.3.6.1

44 : ANTIMONATES
3 : Miscellaneous
Hey's CIM Ref.:17.7.15

17 : Silicates Containing other Anions
7 : Silicates with vanadate, arsenate or antimonate
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Type Occurrence of Yeatmanite

Type Locality:Buckwheat Pit (Southwest Opening; Buckwheat Mine), Franklin, Franklin Mining District, Sussex Co., New Jersey, USA
Year of Discovery:1938

Physical Properties of Yeatmanite

Lustre:Greasy
Diaphaneity (Transparency):Translucent
Colour:Clove-brown, rose-pink
Streak:Light brown
Hardness (Mohs):4

Crystallography of Yeatmanite

Crystal System:Triclinic
Cell Parameters:a = 5.6Å, b = 11.6Å, c = 9.05Å
α = 92.17°, β = 100.9°, γ = 77.3°
Ratio:a:b:c = 0.483 : 1 : 0.78
Unit Cell Volume:V 563.15 ų (Calculated from Unit Cell)

Optical Data of Yeatmanite

Type:Biaxial (-)
RI values: nα = 1.864 nβ = 1.895 nγ = 1.905
2V:Measured: 52° , Calculated: 58°
Maximum Birefringence:δ = 0.041

Chart shows birefringence interference colour range (at 30µm thickness) and does not take into account mineral colouration.
Surface Relief:Very High
Dispersion:r > v

Chemical Properties of Yeatmanite

Formula:
Mn
2+
7
Zn
 
8
Sb
5+
2
[O
 
3
|SiO
 
4
]
 
4
Essential elements:Mn, O, Sb, Si, Zn
All elements listed in formula:Mn, O, Sb, Si, Zn
Common Impurities:Fe

Relationship of Yeatmanite to other Species

Related Minerals - Nickel-Strunz Grouping):
9.AE.05Beryllite
Be
 
3
[(OH)
 
2
|SiO
 
4
] · H
 
2
O
9.AE.10Euclase
BeAl[OH|SiO
 
4
]
9.AE.15Sverigeite
NaMnMgSnBe
 
2
Si
 
3
O
 
12
(OH)
9.AE.20Hodgkinsonite
Mn
2+
 
Zn
 
2
[(OH)
 
2
|SiO
 
4
]
9.AE.25Gerstmannite
(Mg,Mn
2+
 
)Zn[(OH)
 
2
|SiO
 
4
]
9.AE.30Clinohedrite
CaZn[SiO
 
4
] · H
 
2
O
9.AE.35Stringhamite
CaCu[SiO
 
4
] · H
 
2
O
9.AE.40Katoptrite
(Mn
2+
 
,Mg)
 
13
(Al,Fe
3+
 
)
 
4
Sb
5+
2
[O
 
10
|SiO
 
4
]
 
2
9.AE.50Sphaerobertrandite
Be
 
3
SiO
 
4
(OH)
 
2
Related Minerals - Hey's Index Grouping:
17.7.1Suzukiite
BaVSi
 
2
O
 
7
17.7.2Franciscanite
Mn
3+
6
V
5+
0.5
[(O,OH)
 
3
|SiO
 
4
]
17.7.3Kurumsakite
(Zn,Ni,Cu)
 
8
Al
 
8
V
 
2
Si
 
5
O
 
35
·27H
 
2
O (or near)
17.7.4Ardennite-(As)
Mn
2+
4
[(Al,Mg)
 
6
][(OH)
 
6
|(AsO
 
4
,VO
 
4
)|(SiO
 
4
)
 
2
|Si
 
3
O
 
10
]
17.7.5Medaite
(Mn,Ca)
 
6
(V,As)Si
 
5
O
 
18
OH
17.7.6Johninnesite
Na
 
2
Mg
 
5
Mn
 
12
As
 
2
Si
 
12
O
 
43
(OH)
 
6
17.7.7Tiragalloite
Mn
 
4
AsSi
 
3
O
 
12
(OH)
17.7.8Dixenite
CuMn
2+
14
Fe
2+
 
[(OH)
 
6
|(AsO
 
3
)
 
5
|AsO
 
4
|(SiO
 
4
)
 
2
]
17.7.9Asbecasite
Ca
 
3
(Ti,Sn
4+
 
)Be
 
2
[(AsO
 
3
)
 
3
|SiO
 
4
]
 
2
17.7.10Mcgovernite
(Mn,Mg,Zn)
 
273
As
3+
~12
As
5+
~30
Si
 
~42
O
 
324
(OH)
 
252
17.7.11Kraisslite
(Mn
2+
 
,Mg)
 
24
Zn
 
4
[(OH)
 
12
|(AsO
 
4
)
 
4
|(SiO
 
4
)
 
8
]
17.7.12Schallerite
(Mn,Fe)
 
16
Si
 
12
As
 
3
O
 
36
(OH)
 
17
17.7.13Nelenite
(Mn,Fe)
 
16
Si
 
12
As
 
3
O
 
36
(OH)
 
17
17.7.14Kolicite
Mn
2+
7
Zn
 
4
[(OH)
 
8
|(AsO
 
4
)
 
2
|(SiO
 
4
)
 
2
]
17.7.16Welshite
Ca
 
4
Mg
 
9
Sb
 
3
O
 
4
[Si
 
6
Be
 
3
AlFe
 
2
O
 
36
]
17.7.17Katoptrite
(Mn
2+
 
,Mg)
 
13
(Al,Fe
3+
 
)
 
4
Sb
5+
2
[O
 
10
|SiO
 
4
]
 
2
17.7.18Parwelite
(Mn,Mg,Ca)
 
5
Sb(As,Si)
 
2
O
 
12
17.7.19Långbanite
(Mn
2+
 
,Ca)
 
4
(Mn
3+
 
,Fe
3+
 
)
 
9
Sb
5+
 
[O
 
8
|SiO
 
4
]
 
2
17.7.20Chapmanite
Fe
3+
2
Sb
3+
 
[OH|(SiO
 
4
)
 
2
]
17.7.21Cervandonite-(Ce)
(Ce,Nd,La)(Fe,Ti,Al)
 
3
SiAs(Si,As)O
 
13

Other Names for Yeatmanite

German names:
Yeatmanit
Russian names:
Иетманит
Spanish names:
Yeatmanita

Other Information

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

References for Yeatmanite

Reference List:Palache, C., Bauer, L. H. & Berman, H. (1938): Yeatmanite, a new mineral, and sarkinite from Franklin, New Jersey. American Mineralogist: 23: 527-530.

American Mineralogist (1966): 51: 1494-1500.

American Mineralogist (1980): 65: 196-199.

Mineralogical Journal (Japan) (1986): 13: 53-64.

Internet Links for Yeatmanite

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    Localities for Yeatmanite

    Hide Locality List
    The 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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    (TL) indicates type locality. ? indicates mineral may be doubtful at this locality. All other localities listed without reference should be considered as uncertain and unproven until references can be found.
    Sweden
     
    • Dalarna
      • Hedemora
        • Garpenberg
    		Can Min 41, Number 1, February 2003, 201-206
    USA
     
    • New Jersey
      • Sussex Co.
        • Franklin Mining District
          • Franklin
    		Am.Min.:65:196-199 (1980); John Cianciulli, Curator, Franklin Mineral Museum.
          • Ogdensburg
            • Sterling Hill
    		Palache, C., et al: Am.Min.:23:527-530 (1938); Am.Min.:22(2):11 (abstract); Dunn, P.J. & Leavens,P.B.: Am.Min.:65:196-199 (1980); Dunn(1995):Pt3:400.
    Mineral and/or Locality
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