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Unnamed (Cu-S-Si-O-H)

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About Unnamed (Cu-S-Si-O-H)Hide

Formula:
Cu-S-Si-O-H
Cu:S:Si ratio is roughly 10:1:1, sometimes also ~5:1:1, and somewhat variable.
May contain very minor to trace amounts of Al, As, P, Sb, Fe, Cl, Mg.
Colour:
Turquois to greenish blue
Lustre:
Vitreous, Pearly
Anthropogenic phase found in ancient slags (Kolitsch & Brandstätter, 2012; Kolitsch, unpublished analyses).
Tiny hexagonal plates, forming rosettes or crusts. A turquoise to very pale turquoise colour (depending on crystal thickness) appears to be characteristic. The lustre is slightly pearly to glassy.
SXRD studies reveal apparent stacking disorder.

Visually similar to chalcophyllite. May be more wide-spread.


Physical Properties of Unnamed (Cu-S-Si-O-H)Hide

Vitreous, Pearly
Transparency:
Transparent, Translucent
Colour:
Turquois to greenish blue

Chemical Properties of Unnamed (Cu-S-Si-O-H)Hide

Formula:
Cu-S-Si-O-H

Cu:S:Si ratio is roughly 10:1:1, sometimes also ~5:1:1, and somewhat variable.
May contain very minor to trace amounts of Al, As, P, Sb, Fe, Cl, Mg.

Common AssociatesHide

Associated Minerals Based on Photo Data:
3 photos of Unnamed (Cu-S-Si-O-H) associated with ConnelliteCu19(SO4)(OH)32Cl4 · 3H2O
3 photos of Unnamed (Cu-S-Si-O-H) associated with BrochantiteCu4(SO4)(OH)6
1 photo of Unnamed (Cu-S-Si-O-H) associated with AnglesitePbSO4
1 photo of Unnamed (Cu-S-Si-O-H) associated with CerussitePbCO3
1 photo of Unnamed (Cu-S-Si-O-H) associated with MalachiteCu2(CO3)(OH)2

Other InformationHide

Health Risks:
No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.

References for Unnamed (Cu-S-Si-O-H)Hide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Kolitsch, U. & Brandstätter, F. (2012): 1750) Anglesit, Apatit, Azurit, Fayalit, Humboldtin, Laihunit, Magnetit, Vonsenit und eine Cu-S-Si-O-H-Phase aus einer Kupferschlacke vom Lechnerberg bei Kaprun, Salzburg. Pp. 153-155 in Niedermayr, G. et al. (2012): Neue Mineralfunde aus Österreich LX. Carinthia II, 202./122., 123-180.
Uwe Kolitsch (unpubl. results)

Internet Links for Unnamed (Cu-S-Si-O-H)Hide

Localities for Unnamed (Cu-S-Si-O-H)Hide

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.
Austria
 
  • Carinthia
    • Sankt Veit an der Glan District
      • Hüttenberg
        • St Martin am Silberberg
Kolitsch, U. (2016): 1965) Gearksutit, nadeliger Magnetit und die unbenannte Cu-Si-S-O-H-Phase aus der Schlacke von St. Martin am Silberberg, Kärnten. Pp. 210-211 in Walter, F. et al. (2016): Neue Mineralfunde aus Österreich LXV. Carinthia II, 206./126., 203-250.
  • Lower Austria
    • Neunkirchen District
      • Reichenau an der Rax
        • Edlach an der Rax
          • Höllen valley
Kolitsch, U., Auer, C. & Fink, R. (2014): 1891) Antlerit, Azurit, Brochantit, Calcit, Connellit, Covellin, Cuprit, Gips, Jarosit, Langit, Limonit, Malachit und die unbenannte Cu-Si-S-O-H-Phase aus den bronzezeitlichen Kupferschlacken von Kaiserbrunn im Höllental, Reichenau an der Rax, Niederösterreich. Pp. 126-127 in Niedermayr, G. et al. (2014): Neue Mineralfunde aus Österreich LXIII. Carinthia II, 204./124., 65-146.
  • Salzburg
    • Zell am See District
      • Kaprun
Kolitsch, U. & Brandstätter, F. (2012): 1750) Anglesit, Apatit, Azurit, Fayalit, Humboldtin, Laihunit, Magnetit, Vonsenit und eine Cu-S-Si-O-H-Phase aus einer Kupferschlacke vom Lechnerberg bei Kaprun, Salzburg. Pp. 153-155 in Niedermayr, G. et al. (2012): Neue Mineralfunde aus Österreich LXI. Carinthia II, 202./122., 123-180.
France
 
  • Auvergne-Rhône-Alpes
    • Loire
      • La Pacaudière
        • Le Crozet
Chollet, P. & Devouard, B. (2013): La mine de cuivre et de plomb des Rats, Le Crozet (Loire). Le Règne Minéral, 109, 7-46.; Chollet Pascal collection
Germany
 
  • Baden-Württemberg
    • Freiburg
      • Ortenaukreis
        • Gengenbach
          • Haigerach valley
            • Silberbrünnle Mine
Gottschalk et al. (1995) (as "chalcophyllite" probably); Anneliese Schwarz collection (visually identified by Uwe Kolitsch)
Portugal
 
  • Castelo Branco
    • Vila Velha de Ródão
      • Vila Velha de Ródão
        • Sitio do Cobre Mine
SXRD- and SEM-EDS-analysed by Uwe Kolitsch; Kolitsch, U. (2016): 1965) Gearksutit, nadeliger Magnetit und die unbenannte Cu-Si-S-O-H-Phase aus der Schlacke von St. Martin am Silberberg, Kärnten. Pp. 210-211 in Walter, F. et al. (2016): Neue Mineralfunde aus Österreich LXV. Carinthia II, 206./126., 203-250. [mentions that the phase is confirmed also from the slag dumps of the Sitio do Cobre Mine]
 
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