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|Name:||Named in 1981 by Pete J. Dunn after its discovery locality, the Sterling Mine, Sterling Hill, Ogdensburg, New Jersey, USA.|
|Ludlamite, Metaswitzerite, Switzerite|
Occurs as tiny light pinkish spherules in fracture cavities. Only 3 verified specimens known from the type locality.
Classification of Sterlinghillite
|IMA status:||Approved 1980|
|Explanation of status:||Matsubara et al. (2000) suggest that formula contains only 3 H2O.|
|Strunz 8th edition ID:||7/C.05-30|
|Nickel-Strunz 10th (pending) edition ID:||8.CD.25|
8 : PHOSPHATES, ARSENATES, VANADATES
C : Phosphates without additional anions, with H2O
D : With only medium-sized cations, RO4:H2O = 1:2
|Dana 8th edition ID:||220.127.116.11|
40 : HYDRATED NORMAL PHOSPHATES,ARSENATES AND VANADATES
3 : A3(XO4)2·xH2O
|Hey's CIM Ref.:||20.8.9|
20 : Arsenates (also arsenates with phosphate, but without other anions)
8 : Arsenates of Mn
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Type Occurrence of Sterlinghillite
|Type Locality:||Sterling Mine, Sterling Hill, Ogdensburg, Franklin Mining District, Sussex Co., New Jersey, USA|
|General Appearance of Type Material:||Tiny pinkish spherules.|
|Year of Discovery:||1980|
|Geological Setting of type material:||As a secondary mineral in fracture cavities traversing franklinite-calcite ore in a Precambrian Zn-Mn-Fe orebody.|
Physical Properties of Sterlinghillite
Optical Data of Sterlinghillite
|RI values:||nω = 1.671 nε = 1.656|
|Maximum Birefringence:||δ = 0.015|
Chart shows birefringence interference colour range (at 30µm thickness) and does not take into account mineral colouration.
Chemical Properties of Sterlinghillite
|Simplified for copy/paste:||Mn3(AsO4)2·4H2O|
|Essential elements:||As, H, Mn, O|
|All elements listed in formula:||As, H, Mn, O|
Relationship of Sterlinghillite to other Species
|Related Minerals - Nickel-Strunz Grouping):|
|Related Minerals - Hey's Index Grouping:|
Other Names for Sterlinghillite
|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 Sterlinghillite
Dunn, P. J. (1981): Sterlinghillite, a new hydrated manganese arsenate mineral from Ogdensburg, New Jersey: American Mineralogist: 66, 182-184.
Dunn, P.J. (1995): Franklin and Sterling Hill New Jersey: The World's Most Magnificent Mineral Deposits: Part 5: 682-683.
Matsubara, S., R. Miyawaki, T. Mouri, M. Kitamine (2000): Sterlinghillite, a rare manganese arsenate, from the Gozaisho mine, Fukushima Prefecture, Japan. Bulletin of the National Science Museum, Tokyo, Series C, 26(1-2), 1-7.
Internet Links for Sterlinghillite
Localities for Sterlinghillite
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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New Locality Added: Vilarinho da Castanheira, Carrazeda de Ansiães, Bragança District, PortugalFrom Rui Nunes, 19th Sep 2014 17:48:36