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Mosesite

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Terlingua District, Brewster Co., Texas, USA

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Formula:
(Hg
 
2
N)(Cl,SO
 
4
,MoO
 
4
) · H
 
2
O
System:IsometricColour:Yellow; turns ...
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; turns 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
+
2
)
 
3
Cl
 
3
O(OH)
3.DD.05Kadyrelite
(Hg
+
2
)
 
2
(Br,Cl)
 
2
O
3.DD.10Poyarkovite
(Hg
+
2
)
 
1.5
ClO
3.DD.15Hanawaltite
(Hg
+
2
)
 
3
Hg
2+
 
(Cl,OH)
 
2
O
 
3
3.DD.20Terlinguaite
(Hg
+
2
)
 
0.5
Hg
2+
 
ClO
3.DD.25Pinchite
Hg
2+
5
Cl
 
2
O
 
4
3.DD.30Gianellaite
(Hg
 
2
N)
 
2
SO
 
4
3.DD.35Kleinite
(Hg
 
2
N)(Cl,SO
 
4
) · nH
 
2
O
3.DD.40Tedhadleyite
(Hg
+
2
)
 
5
Hg
2+
 
I
 
2
(Cl,Br)
 
2
O
 
4
3.DD.45Vasilyevite
(Hg
+
2
)
 
10
I
 
3
Br
 
2
Cl(CO
 
3
)O
 
6
3.DD.50Aurivilliusite
(Hg
+
2
)
 
0.5
Hg
2+
 
(I,Br,Cl)O
3.DD.55Terlinguacreekite
Hg
2+
3
Cl
 
2
O
 
2
3.DD.60Kelyanite
(Hg
+
2
)
 
6
Sb
3+
 
BrCl
 
2
O
 
6
3.DD.65Comancheite
Hg
2+
13
(Cl,Br)
 
8
O
 
9
Related Minerals - Hey's Index Grouping:

- +
26.1Kogarkoite
Na
 
3
(SO
 
4
)F
26.2Sulphohalite
Na
 
6
(SO
 
4
)
 
2
FCl
26.3Schairerite
Na
 
3
(SO
 
4
)(F,Cl)
26.4Galeite
Na
 
15
(SO
 
4
)
 
5
F
 
4
Cl
26.5Connellite
Cu
 
19
(SO
 
4
)(OH)
 
32
Cl
 
4
 · 3H
 
2
O
26.6Chlorothionite
K
 
2
Cu(SO
 
4
)Cl
 
2
26.7Kamchatkite
KCu
 
3
(SO
 
4
)
 
2
OCl
26.8Spangolite
Cu
 
6
Al(SO
 
4
)(OH)
 
12
Cl · 3H
 
2
O
26.9Aubertite
CuAl(SO
 
4
)
 
2
Cl · 14H
 
2
O
26.10Magnesioaubertite
(Mg,Cu)Al(SO
 
4
)
 
2
Cl · 14H
 
2
O
26.11Svyazhinite
(Mg,Mn
2+
 
,Ca)(Al,Fe
3+
 
)(SO
 
4
)
 
2
F · 14H
 
2
O
26.12D'Ansite
Na
 
21
Mg(SO
 
4
)
 
10
Cl
 
3
26.13Anhydrokainite
KMg(SO
 
4
)Cl
26.14Kainite
KMg(SO
 
4
)Cl · 3H
 
2
O
26.16Kleinite
(Hg
 
2
N)(Cl,SO
 
4
) · nH
 
2
O
26.17Wilcoxite
MgAl(SO
 
4
)
 
2
F · 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
(SO
 
4
)O
 
8
Cl
 
2
26.25Caracolite
Na
 
3
Pb
 
2
(SO
 
4
)
 
3
Cl
26.26Mammothite
Pb
 
6
Cu
 
4
AlSb(SO
 
4
)
 
2
(OH)
 
18
Cl
 
4
26.27Atlasovite
K(BiO)Cu
 
6
Fe
3+
 
(SO
 
4
)
 
5
O
 
3
Cl
26.28Xitieshanite
Fe
3+
 
(SO
 
4
)Cl · 6H
 
2
O
26.29Nabokoite
KCu
 
7
(SO
 
4
)
 
5
(Te
4+
 
O
 
3
)OCl

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.

Internet Links for Mosesite

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  • Raman and XRD data at RRUFF project
  • American Mineralogist Crystal Structure Database
  • Mosesite details from Handbook of Mineralogy (PDF)
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    • Localities for Mosesite

    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.
    Hide Locality List
    (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.
        • Diablo Range
          • New Idria District
            • Picacho Peak
    		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.
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    Copyright © Jolyon Ralph and Ida Chau 1993-2011. Site Map. Locality, mineral & photograph data are the copyright of the individuals who submitted them.Further information contact the Site hosted & developed by Jolyon Ralph. Mindat.org is an online information resource dedicated to providing free mineralogical information to all. Mindat relies on the contributions of hundreds of members and supporters. Mindat does not offer minerals for sale. If you would like to add information to improve the quality of our database, then click here to register. Current server date and time: 18th Jun 2011 22:47:28
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