Log In
Unnamed (K-Mg-Al-Cu-Fe-Al Phengite-like Silicate)
This page is currently not sponsored. Click here to sponsor this page.
Formula:
~K2Mg2AlCu2+(Fe3+AlSi6O20) (OH)4
Crystal System:
Monoclinic
Described as Cu-bearing phengite, from Polish Zechstein shale-hosted Cu deposits; formed due to replacement of Ca feldspars by Cu sulphides.
Unique Identifiers
Mindat ID:
47534
Long-form identifier:
mindat:1:1:47534:3
Chemistry of Unnamed (K-Mg-Al-Cu-Fe-Al Phengite-like Silicate)
Mindat Formula:
~K2Mg2AlCu2+(Fe3+AlSi6O20) (OH)4
Element Weights:
Crystallography of Unnamed (K-Mg-Al-Cu-Fe-Al Phengite-like Silicate)
Crystal System:
Monoclinic
Cell Parameters:
a = 5.19 Å, b = 9.00 Å, c = 19.99 Å
β = 95.48°
β = 95.48°
Ratio:
a:b:c = 0.577 : 1 : 2.221
Unit Cell V:
929.47 ų (Calculated from Unit Cell)
Radioactivity
Other Information
Health Risks:
No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.
Internet Links for Unnamed (K-Mg-Al-Cu-Fe-Al Phengite-like Silicate)
mindat.org URL:
https://www.mindat.org/min-47534.html
Please feel free to link to this page.
Please feel free to link to this page.
Search Engines:
Mineral Dealers:
References for Unnamed (K-Mg-Al-Cu-Fe-Al Phengite-like Silicate)
Localities for Unnamed (K-Mg-Al-Cu-Fe-Al Phengite-like Silicate)
ⓘ - Click for references and 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 (e.g. from pseudomorphs).
All localities listed without proper references should be considered as questionable.
- 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).
All localities listed without proper references should be considered as questionable.
Poland | |
| Kucha (1985) |
