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Szymańskiite

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Big Photo

Clear Creek claim (Clear Creek Mine), Picacho Peak, New Idria District, Diablo Range, San Benito Co., California, USA
© Knut Eldjarn




Formula:
Hg
 
16
(Ni,Mg)
 
6
(CO
 
3
)
 
12
(OH)
 
12
 · 11H
 
2
O
System:HexagonalColour:Light blue-gray (fresh ...
Name:Name: In recognition of Jan Tomasz Szymański (b. 1938), Canadian X-ray crystallographer, Canada Centre for Mineral and Energy Technology (CANMET), Ottawa, for his many outstanding contributions to mineralogy and crystallography, including the solving of the crystal structure of the mineral named after him.
This page provides mineralogical data about Szymańskiite.

Classification of Szymańskiite

IMA status:Approved
Strunz 8th edition ID:5/E.05-40
Nickel-Strunz 10th (pending) edition ID:5.DB.30

5 : CARBONATES (NITRATES)
D : Carbonates with additional anions, with H2O
B : With large and medium-sized cations
Dana 8th edition ID:16b.7.15.1

16b : HYDRATED CARBONATES CONTAINING HYDROXYL OR HALOGEN
7 : Miscellaneous
Hey's CIM Ref.:11.14.12

11 : Carbonates
14 : Carbonates of Co and Ni
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Type Occurrence of Szymańskiite

Type Locality:Clear Creek claim (Clear Creek Mine), Picacho Peak, New Idria District, Diablo Range, San Benito Co., California, USA
Year of Discovery:1990

Physical Properties of Szymańskiite

Lustre:Vitreous
Diaphaneity (Transparency):Transparent
Colour:Light blue-gray (fresh surfaces)

Crystallography of Szymańskiite

Crystal System:Hexagonal
Cell Parameters:a = 17.41Å, c = 6.01Å
Ratio:a:c = 1 : 0.345
Unit Cell Volume:V 1,577.62 ų (Calculated from Unit Cell)

Optical Data of Szymańskiite

Type:Uniaxial (-)
RI values: nω = 1.795 nε = 1.786
Maximum Birefringence:δ = 0.009

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

Chemical Properties of Szymańskiite

Formula:
Hg
 
16
(Ni,Mg)
 
6
(CO
 
3
)
 
12
(OH)
 
12
 · 11H
 
2
O
Essential elements:C, H, Hg, Ni, O
All elements listed in formula:C, H, Hg, Mg, Ni, O

Relationship of Szymańskiite to other Species

Related Minerals - Nickel-Strunz Grouping):

- +
5.DB.05Alumohydrocalcite
CaAl
 
2
(CO
 
3
)
 
2
(OH)
 
4
 · 3H
 
2
O
5.DB.05Nasledovite
PbMn
 
3
Al
 
4
(CO
 
3
)
 
4
(SO
 
4
)O
 
5
 · 5H
 
2
O
5.DB.05Para-alumohydrocalcite
CaAl
 
2
(CO
 
3
)
 
2
(OH)
 
4
 · 6H
 
2
O
5.DB.05UM1977-02-CO:AlCaH
Ca
 
3
Al
 
2
(CO
 
3
)
 
3
O
 
6
 · 32H
 
2
O
5.DB.10Dresserite
BaAl
 
2
(CO
 
3
)
 
2
(OH)
 
4
 · H
 
2
O
5.DB.10Dundasite
PbAl
 
2
(CO
 
3
)
 
2
(OH)
 
4
 · H
 
2
O
5.DB.10Montroyalite
Sr
 
4
Al
 
8
(CO
 
3
)
 
3
(OH,F)
 
26
 · 10-11H
 
2
O
5.DB.10Strontiodresserite
(Sr,Ca)Al
 
2
(CO
 
3
)
 
2
(OH)
 
4
 · H
 
2
O
5.DB.10Petterdite
PbCr
3+
2
(CO
 
3
)
 
2
(OH)
 
4
 · H
 
2
O
5.DB.10Kochsándorite
CaAl
 
2
(CO
 
3
)
 
2
(OH)
 
4
 · H
 
2
O
5.DB.15Hydrodresserite
BaAl
 
2
(CO
 
3
)
 
2
(OH)
 
4
 · 3H
 
2
O
5.DB.20Schuilingite-(Nd)
PbCu(Nd,Gd,Sm,Y)(CO
 
3
)
 
3
(OH) · 1.5H
 
2
O
5.DB.25Sergeevite
Ca
 
2
Mg
 
11
(CO
 
3
)
 
13
 · 10H
 
2
O
Related Minerals - Hey's Index Grouping:

- +
11.14.1Spherocobaltite
CoCO
 
3
11.14.2Kolwezite
(Cu,Co)
 
2
(CO
 
3
)(OH)
 
2
11.14.3Nullaginite
Ni
 
2
(CO
 
3
)(OH)
 
2
11.14.4Hellyerite
NiCO
 
3
 · 6H
 
2
O
11.14.5Otwayite
Ni
 
2
(CO
 
3
)(OH)
 
2
 · H
 
2
O
11.14.6Zaratite
Ni
 
3
(CO
 
3
)(OH)
 
4
 · 4H
 
2
O
11.14.7Kambaldaite
NaNi
 
4
(CO
 
3
)
 
3
(OH)
 
3
 · 3H
 
2
O
11.14.8Glaukosphaerite
(Cu,Ni)
 
2
(CO
 
3
)(OH)
 
2
11.14.9Gaspéite
(Ni,Mg,Fe)CO
 
3
11.14.10Reevesite
Ni
 
6
Fe
3+
2
(CO
 
3
)(OH)
 
16
 · 4H
 
2
O
11.14.11Comblainite
Ni
 
6
Co
 
2
(CO
 
3
)(OH)
 
16
 · 4H
 
2
O

Other Names for Szymańskiite

Synonyms:
IMA1989-045
Other Languages:
German:Szymanskiit
Russian:Шиманскиит
Spanish:Szymanskiita

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 Szymańskiite

Reference List:

- +
ROBERTS, A.C., ERCIT, T.S., ERD, R.C. & OSCARSON, R.L. (1990): Szymańskiite,
Hg1+16(Ni,Mg)6(CO3)12(OH)12(H3O)1+83H2O, a new mineral species from the Clear Creek claim, San Benito Co., California. Canadian Mineralogist 28, 703-707.
SZYMAŃSKI, J.T. & ROBERTS, A.C. (1990): The crystal structure of szymańskiite, a partly disordered (Hg-Hg)2+, (Ni,Mg)2+ hydronium-carbonate-hydroxide-hydrate. Canadian Mineralogist 28, 709-718.

Internet Links for Szymańskiite

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    • Localities for Szymańskiite

    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.
    USA
     
    • California
      • San Benito Co.
        • Diablo Range
          • New Idria District
            • Picacho Peak
    		ROBERTS, A.C., ERCIT, T.S., ERD, R.C. & OSCARSON, R.L. (1990): Szymańskiite, Hg1+16(Ni,Mg)6(CO3)12(OH)12(H3O)1+83H2O, a new mineral species from the Clear Creek claim, San Benito Co., California. Canadian Mineralogist 28, 703-707. SZYMAŃSKI, J.T. & ROBERTS, A.C. (1990): The crystal structure of szymańskiite, a partly disordered (Hg-Hg)2+, (Ni,Mg)2+ hydronium-carbonate-hydroxide-hydrate. Canadian Mineralogist 28, 709-718.
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    Copyright © Jolyon Ralph and Ida Chau 1993-2012. 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.
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