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Mosesite

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Mariposa Mine (California Mountain Mine), Terlingua District, Brewster Co., Texas, USA
© Thomas Witzke

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Formula:
[Hg
 
2
N]
+
 
(Cl,SO
 
4
,MoO
 
4
) · H
 
2
O
System:IsometricColour:Yellow; tuens ...
Hardness:3 - 4
Name:For Alfred J. Moses (1859-1920)Professor of Mineralogy, Columbia University, who first described several of the mercury minerals from Terlingua, Texas.
This page provides mineralogical data about Mosesite.

Classification of Mosesite

IMA status:Valid - first described prior to 1959 (pre-IMA) - "Grandfathered"
Strunz 8th edition ID:3/D.06-50
Nickel-Strunz 10th (pending) edition ID:3.DD.30

3 : HALIDES
D : Oxyhalides, hydroxyhalides and related double halides
D : With Hg
Dana 8th edition ID:29.3.8.1

29 : HYDRATED ACID AND NORMAL SULFATES
3 : A2B(XO4)2·xH2O
Hey's CIM Ref.:26.15

26 : Sulphates with Halide
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Type Occurrence of Mosesite

Type Locality:Terlingua District, Brewster Co., Texas, USA
Associated Minerals at type locality:
MontroyditeGypsumCalcite

Physical Properties of Mosesite

Lustre:Adamantine
Diaphaneity (Transparency):Transparent
Colour:Yellow; tuens olive-green upon prolonged exposure to light.
Streak:Very light yellow
Hardness (Mohs):3 - 4
Tenacity:Brittle
Cleavage:Imperfect/Fair
On {111}
Fracture:Irregular/Uneven

Crystallography of Mosesite

Crystal System:Isometric
Morphology:Crystals usally octahedral; also cubo-octahedral or cubic.
Twinning:Twin plane {111} common; repeated groups at times.

Optical Data of Mosesite

Type:Isotropic
Comments:Becomes isotropic when heated over about 186°.

Chemical Properties of Mosesite

Formula:
[Hg
 
2
N]
+
 
(Cl,SO
 
4
,MoO
 
4
) · H
 
2
O
Essential elements:Cl, H, Hg, N, O
All elements listed in formula:Cl, H, Hg, Mo, N, O, S

Relationship of Mosesite to other Species

Related Minerals - Nickel-Strunz Grouping):

- +
3.DD.05Eglestonite
[Hg
1+
2
]
 
3
[O|OH|Cl
 
3
]
3.DD.05Kadyrelite
Hg
 
4
(Br,Cl)
 
2
O
3.DD.10Poyarkovite
Hg
 
3
ClO
3.DD.15Hanawaltite
Hg
 
6
Hg[Cl,(OH)]
 
2
O
 
3
3.DD.20Terlinguaite
Hg
 
2
ClO
3.DD.25Pinchite
Hg
 
5
O
 
4
Cl
 
2
3.DD.30Gianellaite
[Hg
 
2
N]
+
2
SO
 
4
3.DD.35Kleinite
[Hg
 
2
N]
+
3
Cl
 
2
S
 
0.5
 · H
 
2
O
3.DD.40Tedhadleyite
Hg
2+
 
Hg
1+
10
O
 
4
I
 
2
(Cl,Br)
 
2
3.DD.45Vasilyevite
[Hg
1+
2
]
 
10
[O
 
6
|I
 
3
|Br
 
2
|Cl|CO
 
3
]
3.DD.50Aurivilliusite
(Hg-Hg)
2+
 
Hg
2+
2
[O|(I,Br,Cl)]
 
2
3.DD.55Terlinguacreekite
Hg
2+
3
O
 
2
Cl
 
2
3.DD.60Kelyanite
Hg
 
36
Sb
 
3
(Cl,Br)
 
9
O
 
28
3.DD.65Comancheite
Hg
 
13
(Cl,Br)
 
8
O
 
9
Related Minerals - Hey's Index Grouping:

- +
26.1Kogarkoite
Na
 
3
[F|SO
 
4
]
26.2Sulphohalite
Na
 
6
[F|Cl|(SO
 
4
)
 
2
]
26.3Schairerite
Na
 
3
[(F,Cl)|SO
 
4
]
26.4Galeite
Na
 
15
[F
 
4
|Cl|(SO
 
4
)
 
5
]
26.5Connellite
Cu
 
19
[(OH)
 
32
|SO
 
4
|Cl
 
4
] · 3H
 
2
O
26.6Chlorothionite
K
 
2
Cu[Cl
 
2
|SO
 
4
]
26.7Kamchatkite
KCu
 
3
[O|Cl|(SO
 
4
)
 
2
]
26.8Spangolite
Cu
 
6
Al[(OH)
 
12
|Cl|SO
 
4
] · 3H
 
2
O
26.9Aubertite
CuAl[Cl|(SO
 
4
)
 
2
] · 14H
 
2
O
26.10Magnesioaubertite
(Mg,Cu)Al[Cl|(SO
 
4
)
 
2
] · 14H
 
2
O
26.11Svyazhinite
(Mg,Mn
2+
 
,Ca)(Al,Fe
3+
 
)[F|(SO
 
4
)
 
2
] · 14H
 
2
O
26.12D'Ansite
Na
 
21
Mg(SO
 
4
)
 
10
Cl
 
3
26.13Anhydrokainite
KMgClSO
 
4
26.14Kainite
KMg[Cl|SO
 
4
] · 3H
 
2
O
26.16Kleinite
[Hg
 
2
N]
+
3
Cl
 
2
S
 
0.5
 · H
 
2
O
26.17Wilcoxite
MgAl[F|(SO
 
4
)
 
2
] · 18H
 
2
O
26.18Creedite
Ca
 
3
[SO
 
4
|Al
 
2
F
 
8
(OH)
 
2
] · 2H
 
2
O
26.19Lannonite
HCa
 
4
Mg
 
2
Al
 
4
(SO
 
4
)
 
8
F
 
9
·32H
 
2
O
26.20Chukhrovite-(Y)
Ca
 
3
(Y,Ce)[F|SO
 
4
|(AlF
 
6
)
 
2
] · 10H
 
2
O
26.21Chukhrovite-(Ce)
Ca
 
3
(Ce,Y)[F|SO
 
4
|(AlF
 
6
)
 
2
] · 10H
 
2
O
26.22Grandreefite
Pb
 
2
SO
 
4
F
 
2
26.23Pseudograndreefite
Pb
 
6
SO
 
4
F
 
10
26.24Sundiusite
Pb
 
10
[O
 
8
|SO
 
4
|Cl
 
2
]
26.25Caracolite
Na
 
3
Pb
 
2
[Cl|(SO
 
4
)
 
3
]
26.26Mammothite
Pb
 
6
Cu
 
4
AlSb[(OH)
 
9
|Cl
 
2
|SO
 
4
]
 
2
26.27Atlasovite
K(BiO)Cu
 
6
Fe
3+
 
[Cl|O
 
3
|(SO
 
4
)
 
5
]
26.28Xitieshanite
Fe
3+
 
[Cl|SO
 
4
] · 6H
 
2
O
26.29Nabokoite
KCu
 
7
Te
4+
 
[Cl|O
 
4
|(SO
 
4
)
 
5
]

Other Names for Mosesite

Other Languages:
German:Mosesit
Spanish:Mosesita

Other Information

Other Information:Alters to a white substance retaining its original shape when placed into cold HCl.
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 Mosesite

Reference List:Canfield, Hillebrand, and Schaller (1910) American Journal of Science: 30: 202.

Canfield (1913) Columbia University School of Mines Quarterly: 34, no. 3

Larsen, E.S. (1921) The Microscopic Determination of the Nonopaque Minerals, First edition, USGS Bulletin 679: 113.

Bird (1932) American Mineralogist: 17: 541.

Palache, C., Berman, H., & Frondel, C. (1951), The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana, Yale University 1837-1892, Volume II: Halides, Nitrates, Borates, Carbonates, Sulfates, Phosphates, Arsenates, Tungstates, Molybdates, Etc. John Wiley and Sons, Inc., New York, 7th edition, revised and enlarged: 89-90.

American Mineralogist (1953): 38: 1225-1234.

Neues Jahrbuch für Mineralogie, Monatshefte (1973): 3: 126.

Articles/Blogs about Mosesite

Internet Links for Mosesite

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    Localities for Mosesite

    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.
    Mexico
     
    • Guerrero
      • Mun. de Taxco
        • Hauhauxtla
    		Panczner (1987): 135-372.
    • Queretaro
      • Mun. de Cadereyta
        • El Doctor (Doctor)
    		Panczner (1987): 279.
    USA
     
    • California
      • San Benito Co.
        • New Idria District
    		Dunning, Hadley, Cooper, Magnasco collections
    • Nevada
      • Humboldt Co.
        • Opalite District
    		NBMG Spec. Pub. 31 Minerals of Nevada
      • Pershing Co.
        • Willard District
    		Palache, C., Berman, H., & Frondel, C. (1951), The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana, Yale University 1837-1892, Volume II: 90.
    • Texas
      • Brewster Co.
    		American Journal of Science, ser. 4 (1910): 30: 202-208; Palache, C., Berman, H., & Frondel, C. (1951), The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana, Yale University 1837-1892, Volume II: 90; Mineralogical Record: 21: 233.
    Rocks & Minerals: 66(1): 202.
    Mineral and/or Locality
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