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Jeromite

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Ronneburg U deposit, Gera, Thuringia, Germany
© jo-esche 2007

Show Jeromite Photos (4)
System:AmorphousColour:cherry-red to black
Name:Named for the type locality


An amorphous As-S-Se phase of variable composition.

Originally reported from United Verde Mine (The Big Hole; Big Hole property; Hull Mine; Hopewell tunnel; Patented claim 3480; Patented claim 2812; Patented claims 3348), Jerome, Verde District, Black Hills (Black Hill Range), Yavapai Co., Arizona, USA.

Classification of Jeromite

IMA status:Discredited 2006
Explanation of status:No samples of the original jeromite are available to study. The material currently called "jeromite" from other localities is generally AsS glass (melted realgar), and not AsS^2 as originally described.
Strunz 8th edition ID:2/0.0-

2 : Sulphides
0 :
0 :
Dana 8th edition ID:2.12.12.1

2 : SULFIDES
12 : AmBnXp, with (m+n):p = 1:2
Hey's CIM Ref.:3.7.9

3 : Sulphides, Selenides, Tellurides, Arsenides and Bismuthides (except the arsenides, antimonides and bismuthides of Cu, Ag and Au, which are included in Section 1)
7 : Sulphides etc. of V, As, Sb and Bi
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Physical Properties of Jeromite

Lustre:Vitreous
Colour:cherry-red to black
Streak:reddish black

Crystallography of Jeromite

Crystal System:Amorphous

Relationship of Jeromite to other Species

Related Minerals - Strunz Grouping):
2/0.0-00Bravoite
(Fe,Ni)S
 
2
2/0.0-Speculite
AuTe
 
2
2/0.0-Schlemaite
(Cu,[])
 
6
(Pb,Bi)Se
 
4
2/0.0-Wilhelmramsayite
Cu
 
3
FeS
 
3
·2H
 
2
O
2/0.0-Britvinite
[Pb
 
7
(OH)
 
3
F(BO
 
3
)
 
2
(CO
 
3
)][Mg
 
4.5
(OH)
 
3
(Si
 
5
O
 
14
)]
Related Minerals - Hey's Index Grouping:
3.7.1Patrónite
VS
 
4
3.7.2Duranusite
As
 
4
S
3.7.3Dimorphite
As
 
4
S
 
3
3.7.4Realgar
As
 
4
S
 
4
3.7.5Pararealgar
As
 
4
S
 
4
3.7.6Alacránite
As
 
8
S
 
9
3.7.7Uzonite
As
 
4
S
 
5
3.7.8Orpiment
As
 
2
S
 
3
3.7.10Laphamite
As
 
2
(S,Se)
 
3
3.7.11Getchellite
AsSbS
 
3
3.7.12Wakabayashilite
[(As,Sb)
 
6
S
 
9
][As
 
4
S
 
5
]
3.7.13Pääkkönenite
Sb
 
2
AsS
 
2
3.7.14Stibnite
Sb
 
2
S
 
3
3.7.15Metastibnite
Sb
 
2
S
 
3
3.7.16Tellurantimony
Sb
 
2
Te
 
3
3.7.17Bismuthinite
Bi
 
2
S
 
3
3.7.18Nevskite
Bi(Se,S)
3.7.19Guanajuatite
Bi
 
2
(Se,S)
 
3
3.7.21Ikunolite
Bi
 
4
(S,Se)
 
3
3.7.22Laitakarite
Bi
 
4
Se
 
2
S
3.7.23Poubaite
PbBi
 
2
(Se,Te,S)
 
4
3.7.24Tellurobismuthite
Bi
 
2
Te
 
3
3.7.25Součekite
PbCuBi(S,Se)
 
3
3.7.26Tsumoite
BiTe
3.7.27Pilsenite
Bi
 
4
Te
 
3
3.7.28Hedleyite
Bi
 
7
Te
 
3
3.7.29Tetradymite
Bi
 
2
Te
 
2
S
3.7.30Joséite
Bi
 
4
TeS
 
2
3.7.31Joséite-B
Bi
 
4
Te
 
2
S
3.7.32Ingodite
Bi
 
2
TeS
3.7.33Sulphotsumoite
Bi
 
3
Te
 
2
S
3.7.34Kawazulite
Bi
 
2
Te
 
2
Se
3.7.36Skippenite
Bi
 
2
TeSe
 
2
3.7.37Kochkarite
PbBi
 
4
Te
 
7
3.7.38Rucklidgeite
(Bi,Pb)
 
3
Te
 
4
3.7.39Aleksite
PbBi
 
2
Te
 
2
S
 
2
3.7.40Junoite
Cu
 
2
Pb
 
3
Bi
 
8
(S,Se)
 
16

Other Names for Jeromite

German names:
Jeromit
Spanish names:
Jeromita

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 Jeromite

Reference List:Palache, C., Berman, H. & Frondel, C. (1944), The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana, Yale University 1837-1892, Volume I: Elements, Sulfides, Sulfosalts, Oxides. John Wiley and Sons, Inc., New York. 7th edition, revised and enlarged, 834pp.: 144.

Burke, Ernest A.J. (2007) A Mass Discreditation of GQN Minerals. Canadian Mineralogist: 44(6): 1557-1560.

Internet Links for Jeromite

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    Localities for Jeromite

    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.
    Bolivia
     
    • Cochabamba Department
      • Ayopaya Province
    		Checked by SEM and wet chemical analysis. Amorphous.
    Chile
     
    • Tarapacá Region
      • Arica Province
        • Surire
    		XRD and SEM-EDX analysis (T. Witzke)
    Germany
     
    • Thuringia
      • Gera
        • Ronneburg U deposit
    		T. Witzke & F. Rüger: Lapis 1998(7/8), 26-64
    USA
     
    • Arizona
      • Yavapai Co.
        • Black Hills (Black Hill Range)
          • Verde District
            • Jerome
    		Lausen, C. (1928), Hydrous sulphates formed under fumerolic conditions at the United Verde mine, Am.Min.: 13: 203-229; Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 262.
    Mineral and/or Locality
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