Mineralienatlas - Fossilienatlas
Bartelkeite |
Pictures (2 Images total)
Views (File: ): 623
Bartelkeit olivgrünes Aggregat von Bartelkeit neben Nadeln von Schaurtit oder Fleischerit (analysiert mittels S-XRD), Tsumeb, Namibia; BB Copyright: Joy Desor; Contribution: openpit Location: Namibia/Oshikoto (Otjikoto), Region/Tsumeb Mineral: Bartelkeite Image: 1584550681 License: Usage for Mineralienatlas project only |
Bartelkeit |
olivgrünes Aggregat von Bartelkeit neben Nadeln von Schaurtit oder Fleischerit (analysiert mittels S-XRD), Tsumeb, Namibia; BB |
Copyright: | Joy Desor |
Contribution: openpit 2020-03-18 |
Locality: Tsumeb / Oshikoto (Otjikoto), Region / Namibia |
Views (File: ): 73
Bartelkeit braungelbe, prismatische Kristalle von Bartelkeit, Tsumeb Mine, Tsumeb, Namibia; BB ~ 2 mm, analysiert mittels REM-EDX Copyright: Joy Desor; Contribution: openpit Location: Namibia/Oshikoto (Otjikoto), Region/Tsumeb/Tsumeb Mine Mineral: Bartelkeite Image: 1680817556 License: Usage for Mineralienatlas project only |
Bartelkeit E |
braungelbe, prismatische Kristalle von Bartelkeit, Tsumeb Mine, Tsumeb, Namibia; BB 2 mm, analysiert mittels REM-EDX |
Copyright: | Joy Desor |
Contribution: openpit 2023-04-06 |
Locality: Tsumeb Mine / Tsumeb / Oshikoto (Otjikoto), Region / Namibia |
Collectors Summary
Color | farblos, hellgrün |
Streak color | weiß |
Hardness (Mohs) | 4 |
Cleavages | {101} deutlich |
Solubility | +++ heiße HCl |
Crystal System | monoklin, P21, P21/m |
Additional information / Summary
Germanium besitzt in Bartelkeit zwei verschiedene Koordinationen: PbFe2+GeVI(GeIV2O7)(OH)2·H2O |
Chemism
Chemical formula |
PbFe2+Ge(Ge2O7)(OH)2·H2O |
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Additional chem. information |
isotypisch mit der Hochdruckversion P21/m von Lawsonit |
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Chemical composition |
Blei, Eisen, Germanium, Sauerstoff, Wasserstoff |
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Analysis wt% |
GeO2 : 53.70, PbO : 34.00, FeO : 12.10 (Ref: Chemie der Erde 81) |
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Strunz 9th edition incl. updates |
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9: Silikate (Germanate) |
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Lapis Classification |
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IV: OXIDE |
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Classification by Hölzel |
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4: OXIDES |
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Dana 8th edition |
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07: Multiple Oxides |
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IMA status |
Anerkannt von der CNMNC |
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Mineral status |
anerkanntes Mineral |
Optical Properties
Crystallography
Crystals 3D
Open larger view |
Crystal Structure 3D
Open larger view |
Physical Properties
4 |
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4.97 |
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5.266 ( ρ calc. Mineralienatlas ) |
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{101} deutlich |
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Instability |
+++ heiße HCl |
(Co-)Type locality
(Co-)Type locality |
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Type material |
Archiv der Universität Stuttgart, "Mineralogische Sammlung Prof. Keller" |
Collection number of type material |
TM-79.29-Tn / 0/824-s27/2 |
Paragenesis of type material |
Germanit, Renierit, Tennantit, Bleiglanz, Chalkosin, Quarz, Wulfenit |
Preface
Author (Name, Year) |
Keller & Hess & Dunn, 1981 |
References
Other languages
German |
Bartelkeit |
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English |
Bartelkeite |
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French |
Bartelkeite |
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Spanish |
Bartelkeíta |
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Russian |
Бартелкеит |
CNMNC (IMA)-Number
IMA 1979-029 |
CNMNC symbol
Symbol |
Btk |
Automatic Links to external internet sources (Responsibility is with the operator)
Mineral Dealer
Locations with GPS information
IDs
GUSID (Global unique identifier short form) | j0Negjure0Wx2AMhbacyXA |
GUID (Global unique identifier) | 825E438F-AB3B-457B-B1D8-03216DA7325C |
Database ID | 305 |