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Mathewrogersite

Formula:
Pb
 
7
(Fe
2+
 
,Cu)Al
 
3
Ge[(OH,H
 
2
O)
 
6
|(Si
 
3
O
 
9
)
 
4
]
System:TrigonalHardness:2
This page provides mineralogical data about Mathewrogersite.

Classification of Mathewrogersite

IMA status:Approved
Strunz 8th edition ID:8/E.02-40
Nickel-Strunz 10th (pending) edition ID:9.CJ.55

9 : SILICATES (Germanates)
C : Cyclosilicates
J : [Si6O18]12- 6-membered single rings (sechser-Einfachringe), without insular complex anions
Dana 8th edition ID:78.3.1.1

78 : Unclassified Silicates
3 :
Hey's CIM Ref.:16.14.18

16 : Silicates Containing Aluminum and other Metals
14 : Aluminosilicates of Ti, Zr, Sn and Pb
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Type Occurrence of Mathewrogersite

Type Locality:Tsumeb Mine (Tsumcorp Mine), Tsumeb, Otjikoto (Oshikoto) Region, Namibia
Year of Discovery:1986

Physical Properties of Mathewrogersite

Hardness (Mohs):2

Crystallography of Mathewrogersite

Crystal System:Trigonal
Cell Parameters:a = 8.45Å, c = 45.97Å
Ratio:a:c = 1 : 5.44
Unit Cell Volume:V 2,842.62 ų (Calculated from Unit Cell)

Optical Data of Mathewrogersite

Type:Uniaxial (-)
RI values: nω = 1.810 nε = 1.745
Maximum Birefringence:δ = 0.065

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

Chemical Properties of Mathewrogersite

Formula:
Pb
 
7
(Fe
2+
 
,Cu)Al
 
3
Ge[(OH,H
 
2
O)
 
6
|(Si
 
3
O
 
9
)
 
4
]
Essential elements:Al, Fe, Ge, H, O, Pb, Si
All elements listed in formula:Al, Cu, Fe, Ge, H, O, Pb, Si
Common Impurities:Mg

Relationship of Mathewrogersite to other Species

Related Minerals - Nickel-Strunz Grouping):
9.CJ.05Bazzite
Be
 
3
Sc
 
2
Si
 
6
O
 
18
9.CJ.05Beryl
Be
 
3
Al
 
2
Si
 
6
O
 
18
9.CJ.05Indialite
Mg
 
2
Al
 
4
Si
 
5
O
 
18
9.CJ.05Stoppaniite
(Fe,Al,Mg)
 
4
(Na,[ ])
 
2
[Be
 
6
Si
 
12
O
 
36
]·2(H2O)
9.CJ.05Pezzottaite
Cs(Be
 
2
Li)Al
 
2
Si
 
6
O
 
18
9.CJ.10Cordierite
(Mg,Fe)
 
2
Al
 
4
Si
 
5
O
 
18
9.CJ.10Sekaninaite
(Fe,Mg)
 
2
Al
 
4
Si
 
5
O
 
18
9.CJ.15Combeite
Na
 
2
Ca
 
2
Si
 
3
O
 
9
9.CJ.15Kazakovite
Na
 
6
Ti[Si
 
6
O
 
16
(OH)
 
2
]
9.CJ.15Lovozerite
(Na,Ca)
 
3
(Zr,Ti)[Si
 
6
(O,OH)
 
18
]
9.CJ.15Tisinalite
Na
 
3
H
 
3
(Mn,Ca,Fe)TiSi
 
6
(O,OH)
 
18
·2H
 
2
O
9.CJ.15Zirsinalite
Na
 
6
(Ca,Mn
2+
 
,Fe
2+
 
)Zr[Si
 
6
O
 
18
]
9.CJ.15Litvinskite
Na
 
2
([],Na,Mn)ZrSi
 
6
O
 
12
(OH,O)
 
6
9.CJ.15Kapustinite
Na
 
5
(Na,Mn
2+
 
)
 
<1
Zr[Si
 
6
O
 
16
(OH)
 
2
]
9.CJ.20Imandrite
Na
 
12
Ca
 
3
Fe
3+
2
[Si
 
6
O
 
18
]
 
2
9.CJ.20Koashvite
Na
 
6
(Ca,Mn)(Ti,Fe)Si
 
6
O
 
18
·H
 
2
O
9.CJ.25Baratovite
KCa
 
7
(Ti,Zr)
 
2
Li
 
3
Si
 
12
O
 
36
F
 
2
9.CJ.25Katayamalite
KCa
 
7
Ti
 
2
Li
 
3
Si
 
12
O
 
36
(OH)
 
2
9.CJ.30Dioptase
CuSiO
 
2
(OH)
 
2
9.CJ.35Kostylevite
K
 
2
ZrSi
 
3
O
 
9
·H
 
2
O
9.CJ.40Petarasite
Na
 
5
Zr
 
2
[(OH,Cl)|Si
 
6
O
 
18
]·2H
 
2
O
9.CJ.45Gerenite-(Y)
(Ca,Na)
 
2
(Y,REE)
 
3
Si
 
6
O
 
18
·2H
 
2
O
9.CJ.50Odintsovite
K
 
2
Na
 
4
Ca
 
3
Ti
 
2
Be
 
4
Si
 
12
O
 
38
Related Minerals - Hey's Index Grouping:
16.14.1Zorite
Na
 
2
Ti(Si,Al)
 
3
O
 
9
·nH
 
2
O
16.14.2Vinogradovite
(Na,Ca,K)
 
4
Ti
 
4
AlSi
 
6
O
 
23
(OH)·2H
 
2
O
16.14.3Rhönite
Ca
 
2
(Mg,Fe
2+
 
,Fe
3+
 
,Ti)
 
6
[O
 
2
|(Si,Al)
 
6
O
 
18
]
16.14.4Kaersutite
[Na][Ca
 
2
][Mg
 
4
Ti][O|OH|Al
 
2
Si
 
6
O
 
22
]
16.14.5Ferrokaersutite
[Na][Ca
 
2
][Fe
2+
4
Ti][O|OH|Al
 
2
Si
 
6
O
 
22
]
16.14.6Jonesite
Ba
 
4
(K,Na)
 
2
Ti
 
4
Al
 
2
[O|(SiO
 
4
)
 
2
|Si
 
3
O
 
9
]
 
2
 · 6H
 
2
O
16.14.7Lourenswalsite
(K,Ba)
 
2
(Ti,Mg,Ca,Fe)
 
4
(Si,Al,Fe)
 
6
O
 
14
(OH)
 
12
16.14.8Labuntsovite-Mn
Na
 
4
K
 
4
(Ba,K)
 
2
Mn
2+
 
(Ti,Nb)
 
8
[(O,OH)
 
2
|Si
 
4
O
 
12
]
 
4
 · 10-12H
 
2
O
16.14.9Kimzeyite
Ca
 
3
(Zr,Ti)
 
2
[(Si,Al,Fe
3+
 
)O
 
4
]
 
3
16.14.10Ellenbergerite
Mg
 
6
Al
 
6
Ti[(OH)
 
6
|(HSiO
 
4
)
 
4
|(SiO
 
4
)
 
4
]
16.14.11Carlosturanite
(Mg,Fe,Ti)
 
21
(Si,Al)
 
12
O
 
28
(OH)
 
34
16.14.12Eakerite
Ca
 
2
SnAl
 
2
Si
 
6
O
 
18
(OH)
 
2
·2H
 
2
O
16.14.13Plumalsite
Pb
 
4
Al
 
2
(SiO
 
3
)
 
7
16.14.14Wickenburgite
CaPb
 
3
Al
 
2
Si
 
10
O
 
24
(OH)
 
6
16.14.15Maricopaite
Pb
 
7
Ca
 
2
(Si,Al)
 
48
O
 
100
·32H
 
2
O
16.14.16Epidote-(Pb)
{CaPb}{Al
 
3
}[O|OH|SiO
 
4
|Si
 
2
O
 
7
]
16.14.17Burckhardtite
Pb
 
2
(Fe,Mn)AlTeO
 
2
Si
 
3
O
 
10
(OH)
 
2
·H
 
2
O

Other Names for Mathewrogersite

Synonyms:
IMA1984-042
German names:
Mathewrogersit
Spanish names:
Mathewrogersita

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 Mathewrogersite

Reference List:Neues Jahrbuch für Mineralogie, Monatshefte (1986): 5: 203-208.

American Mineralogist (1987): 72: 1025.

Internet Links for Mathewrogersite

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    Localities for Mathewrogersite

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    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.
    Namibia
     
    • Otjikoto (Oshikoto) Region
      • Tsumeb
    		Neues Jahrb.Min.,Mh.(1986) 203-208 ; Keller, P. & Innes, J. (1986): "Neue Minerale von Tsumeb." Lapis, 11 (9), 28-32.
    UK
     
    • England
      • Cumbria
        • North and Western Region (Cumberland)
          • Caldbeck Fells
            • Roughton Gill
    		No reference listed
    Mineral and/or Locality
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