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Laach lake volcanic complex, Eifel, Rhineland-Palatinate, Germany
© Stephan Wolfsried
|Name:||Named in 1951 by Adolph Pabst in honor of Colin Osborne Hutton [January 10, 1910 Dunedin, New Zealand - December 1, 1971 Stamford, California, USA], geologist with the New Zealand Geological Survey, professor of Mineralogy at the University of Otago, and later professor of mineralogy at Stamford University. Hutton established many of the principles of using heavy detrital minerals in geochemical exploration. Hutton's research, along with that of Frank J. Turner, established the textural basis for classifying schists that is widely used by geologists. Hutton named hydrogrossular.|
Appears to be the high-temperature modification of ThSiO4 (synthetic crystals form at 1225 +/- 10°C whereas thorite forms below this temperature; Finch et al. 1964).
Classification of Huttonite
|IMA status:||Valid - first described prior to 1959 (pre-IMA) - "Grandfathered" 1951|
|Strunz 8th edition ID:||8/A.11-10|
|Nickel-Strunz 10th (pending) edition ID:||9.AD.35|
9 : SILICATES (Germanates)
A : Nesosilicates
D : Nesosilicates without additional anions; cations in  and/or greater coordination
|Dana 8th edition ID:||184.108.40.206|
51 : NESOSILICATES Insular SiO4 Groups Only
5 : Insular SiO4 Groups Only with cations in > coordination
|Hey's CIM Ref.:||14.11.2|
14 : Silicates not Containing Aluminum
11 : Silicates of Th and Hg
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Type Occurrence of Huttonite
|Type Locality:||Gillespie's Beach, Salt Water Creek, South Westland, West Coast (Westland), South Island, New Zealand|
|Year of Discovery:||1950|
Physical Properties of Huttonite
Crystallography of Huttonite
|Cell Parameters:||a = 6.77Å, b = 6.96Å, c = 6.49Å|
β = 104.99°
|Ratio:||a:b:c = 0.973 : 1 : 0.932|
|Unit Cell Volume:||V 295.40 Å³ (Calculated from Unit Cell)|
Optical Data of Huttonite
|RI values:||nα = 1.898 nβ = 1.900 nγ = 1.922|
|Maximum Birefringence:||δ = 0.024|
Chart shows birefringence interference colour range (at 30µm thickness) and does not take into account mineral colouration.
|Surface Relief:||Very High|
|Dispersion:||r > v extreme|
Chemical Properties of Huttonite
|Simplified for copy/paste:||ThSiO4|
|Essential elements:||O, Si, Th|
|All elements listed in formula:||O, Si, Th|
Relationship of Huttonite to other Species
|Related Minerals - Nickel-Strunz Grouping):|
|Related Minerals - Hey's Index Grouping:|
Other Names for Huttonite
|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 Huttonite
American Mineralogist (1951): 36: 60-69.
Finch, C. B.; Harris, L. A.; Clark, G. W. (1964): The thorite -> huttonite phase transformation as determined by growth of synthetic thorite and huttonite single crystals. Am. Mineralogist 49, 782-785.
Acta Crystallographica (1978): B34: 1074-1079.
Mineralogical Magazine (1980): 43: 1031.
Mineralogical Magazine (1996): 60: 751.
Anthony, Bideaux, Bladh & Nichols (1995), Handbook of Mineralogy, Vol. II: 352.
Canadian Mineralogist (2000): 38: 675.
Internet Links for Huttonite
Localities for Huttonite
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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Locality Updated: Mount Suímo Gemstone Mine, Belas, Sintra, Lisbon District, PortugalFrom Rui Nunes, 20th Dec 2014 16:55:54