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|System:||Tetragonal||Colour:||Dark brown to brownish ...|
|Hardness:||5 - 6|
|Name:||In allusion to the water content (HYDRO) and its relationship to hetaerolite.|
Reinvestigation with modern methods seems desirable.
Classification of Hydrohetaerolite
|IMA status:||Valid - first described prior to 1959 (pre-IMA) - "Grandfathered"|
|Strunz 8th edition ID:||4/B.05-50|
|Nickel-Strunz 10th (pending) edition ID:||4.BB.10|
4 : OXIDES (Hydroxides, V[5,6] vanadates, arsenites, antimonites, bismuthites, sulfites, selenites, tellurites, iodates)
B : Metal: Oxygen = 3:4 and similar
B : With only medium-sized cations
|Dana 8th edition ID:||184.108.40.206|
7 : MULTIPLE OXIDES
2 : AB2X4
|Hey's CIM Ref.:||7.5.7|
7 : Oxides and Hydroxides
5 : Oxides of Zn, Cd and Hg
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Type Occurrence of Hydrohetaerolite
|Co-type Localities:||Wolftone Mine, Carbonate Hill, Leadville, Leadville District, Lake Co., Colorado, USA|
Passaic pit (Marshall Mine; Passaic Mine), Sterling Hill, Ogdensburg, Franklin Mining District, Sussex Co., New Jersey, USA
|Year of Discovery:||1928|
Physical Properties of Hydrohetaerolite
|Colour:||Dark brown to brownish black|
|Hardness (Mohs):||5 - 6|
Cleavable parallel to the elongation of the fibers.
|Density (measured):||4.6 g/cm3|
Crystallography of Hydrohetaerolite
|Cell Parameters:||a = 5.73Å, c = 9Å|
|Ratio:||a:c = 1 : 1.571|
|Unit Cell Volume:||V 295.50 Å³ (Calculated from Unit Cell)|
|Morphology:||Massive, in fibrous crusts with a botryoidal surface. Fibers elongated  ?|
Optical Data of Hydrohetaerolite
|RI values:||nω = 2.260 nε = 2.100|
|Maximum Birefringence:||δ = 0.160|
Chart shows birefringence interference colour range (at 30µm thickness) and does not take into account mineral colouration.
|Surface Relief:||Very High|
Chemical Properties of Hydrohetaerolite
|Essential elements:||H, Mn, O, Zn|
|All elements listed in formula:||H, Mn, O, Zn|
Relationship of Hydrohetaerolite to other Species
|Related Minerals - Nickel-Strunz Grouping):|
|Related Minerals - Hey's Index Grouping:|
Other Names for Hydrohetaerolite
|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 Hydrohetaerolite
Butler (1913), Economic Geology: 8: 8.
Ford and Bradley (1913), American Journal of Science: 35: 600 (as hetaerolite).
Palache, C. (1928), American Mineralogist: 13: 297.
Palache, C. (1935), The Minerals of Franklin and Sterling Hill, New Jersey, USGS Professional Paper 180: 53.
Palache, Charles, Harry Berman & Clifford Frondel (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: 717-718.
American Mineralogist (1956): 41: 268.
Meisser, N., Perseil, E.A. (1993): Schweiz. Mineral. Petr. Mitt., 73, 11-19.
Internet Links for Hydrohetaerolite
Localities for Hydrohetaerolite
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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