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Pinchite

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Bill Pinch
Formula:
Hg2+5Cl2O4
Colour:
Dark brown, black
Lustre:
Adamantine
Crystal System:
Orthorhombic
Name:
Named in honour of William [Bill] Wallace Pinch (1940 - 2017) of Rochester, New York. An experienced private collector and amateur mineralogist. The Pinch medal, issued by the Mineralogical Association of Canada, was established 2001 and named in the honour of Bill Pinch in recognition of his enormous and selfless contributions to mineralogy through the identification of ideal specimens for study, and by making them available to the academic community.
This page provides mineralogical data about Pinchite.


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Classification of PinchiteHide

Approved
3.DD.25

3 : HALIDES
D : Oxyhalides, hydroxyhalides and related double halides
D : With Hg
10.5.3.1

10 : OXYHALIDES AND HYDROXYHALIDES
5 : Am(O,OH)pXq
8.5.5

8 : Halides - Fluorides, Chlorides, Bromides and Iodides; also Fluoborates and Fluosilicates
5 : Halides of Zn and Hg

Physical Properties of PinchiteHide

Adamantine
Transparency:
Transparent
Colour:
Dark brown, black
Streak:
Red-brown

Chemical Properties of PinchiteHide

Formula:
Hg2+5Cl2O4
IMA Formula:
Hg5O4Cl2

Crystallography of PinchiteHide

Crystal System:
Orthorhombic
Cell Parameters:
a = 11.61 Å, b = 6.1 Å, c = 11.71 Å
Ratio:
a:b:c = 1.903 : 1 : 1.92
Unit Cell V:
829.31 ų (Calculated from Unit Cell)

Type Occurrence of PinchiteHide

Synonyms of PinchiteHide

Other Language Names for PinchiteHide

German:Pinchit
Russian:Пинчит
Spanish:Pinchita

Related Minerals - Nickel-Strunz GroupingHide

3.DD.05Eglestonite(Hg2+2)3OCl3(OH)Iso. m3m (4/m 3 2/m) : Ia3d
3.DD.05Kadyrelite(Hg2+2)3OBr3(OH)Iso.
3.DD.10Poyarkovite(Hg2+2)3Cl2O2Mon. 2/m : B2/b
3.DD.15Hanawaltite(Hg2+2)3Hg2+(Cl,OH)2O3Orth. mmm (2/m 2/m 2/m)
3.DD.20Terlinguaite(Hg2+2)Hg2+2Cl2O2Mon. 2/m : B2/m
3.DD.30Gianellaite[(NHg2)2](SO4)(H2O)xIso. 4 3m : F4 3m
3.DD.30Mosesite(Hg2N)(Cl,SO4,MoO4) · H2OIso.
3.DD.35Kleinite(Hg2N)(Cl,SO4) · nH2OHex. 6/mmm (6/m 2/m 2/m) : P63/mmc
3.DD.40Tedhadleyite(Hg+2)5Hg2+I2(Cl,Br)2O4Tric.
3.DD.45Vasilyevite(Hg+2)10I3Br2Cl(CO3)O6Tric. 1 : P1
3.DD.50Aurivilliusite(Hg+2)0.5Hg2+(I,Br,Cl)OMon. 2/m : B2/b
3.DD.55TerlinguacreekiteHg2+3Cl2O2Orth.
3.DD.60Kelyanite(Hg+2)6Sb3+BrCl2O6Mon.
3.DD.65ComancheiteHg2+55N3–24(NH2,OH)4(Cl,Br)34Orth.

Related Minerals - Hey's Chemical Index of Minerals GroupingHide

8.5.1SimonkolleiteZn5Cl2(OH)8 · H2OTrig. 3m (3 2/m) : P3m1
8.5.2Calomel(Hg2)2+Cl2Tet. 4/mmm (4/m 2/m 2/m) : I4/mmm
8.5.3Terlinguaite(Hg2+2)Hg2+2Cl2O2Mon. 2/m : B2/m
8.5.4Poyarkovite(Hg2+2)3Cl2O2Mon. 2/m : B2/b
8.5.6Eglestonite(Hg2+2)3OCl3(OH)Iso. m3m (4/m 3 2/m) : Ia3d
8.5.7Kadyrelite(Hg2+2)3OBr3(OH)Iso.
8.5.8ComancheiteHg2+55N3–24(NH2,OH)4(Cl,Br)34Orth.
8.5.9Kuzminite(Hg2+2)(Br,Cl)2Tet.
8.5.10Moschelite(Hg2+2)I2Tet. 4/mmm (4/m 2/m 2/m) : I4/mmm
8.5.11Tocornalite(Ag,Hg)I

Other InformationHide

Health Risks:
Contains mercury - always wash hands after handling. Avoid inhaling dust when handling or breaking. Never lick or ingest.

References for PinchiteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
American Mineralogist (1976): 61: 340.
American Mineralogist (1994): 79: 1199-1203.

Internet Links for PinchiteHide

Localities for PinchiteHide

This 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.

Locality ListHide

- This locality has map coordinates listed. - This locality has estimated coordinates. ⓘ - Click for further information on this occurrence. ? - Indicates mineral may be doubtful at this locality. - Good crystals or important locality for species. - World class for species or very significant. (TL) - Type Locality for a valid mineral species. (FRL) - First Recorded Locality for everything else (eg varieties). Struck out - Mineral was erroneously reported from this locality. Faded * - Never found at this locality but inferred to have existed at some point in the past (eg from pseudomorphs.)

All localities listed without proper references should be considered as questionable.
USA (TL)
 
  • Texas
    • Brewster Co.
[Canadian Mineralogist(1974) 12, 417-418; MinRec 21:233]
Rocks & Minerals: 66(1): 202.
Mineral and/or Locality  
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