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|System:||Hexagonal||Colour:||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
|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
|Colour:||Light blue-gray (fresh surfaces)|
Crystallography of Szymańskiite
|Cell Parameters:||a = 17.41Å, c = 6.01Å|
|Ratio:||a:c = 1 : 0.345|
|Unit Cell Volume:||V 1,577.62 Å³ (Calculated from Unit Cell)|
Optical Data of Szymańskiite
|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
|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):|
|Related Minerals - Hey's Index Grouping:|
Other Names for Szymańskiite
|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
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+83H2O, 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
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.
(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.
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