Mineralienatlas - Fossilienatlas
Akrochordite (Acrochordite) |
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Eveit mit Akrochordit hellgrüne Kristalle von Eveit neben bräunlichem Akrochordit, Langban, Schweden; BB < 1 mm Copyright: MinTreasure.com (Carsten Slotta); Contribution: openpit Location: Schweden/Värmland, Provinz/Filipstad, Gemeinde/Långban, Distrikt/Långban Fe-Mn-(Ba-As-Pb-Sb) Lagerstätte Mineral: Akrochordite, Eveite Image: 1582227552 License: Usage for Mineralienatlas project only |
Eveit mit Akrochordit |
hellgrüne Kristalle von Eveit neben bräunlichem Akrochordit, Langban, Schweden; BB < 1 mm |
Copyright: | MinTreasure.com (Carsten Slotta) |
Contribution: openpit 2020-02-20 |
Locality: Långban Fe-Mn-(Ba-As-Pb-Sb) Lagerstätte / Långban, Distrikt / Filipstad, Gemeinde / Värmland, Provinz / Schweden |
Collectors Summary
Color | rötlichbraun |
Hardness (Mohs) | 3.5 |
Solubility | +++ H2SO4 |
Crystal System | monoklin, P21/c |
Chemism
Chemical formula |
Mn4Mg(AsO4)2(OH)4·4H2O |
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Chemical composition |
Arsen, Magnesium, Mangan, Sauerstoff, Wasserstoff |
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Analysis wt% |
MgO : 6.94, MnO : 38.98, As2O5 : 33.51, P2O5 : 0.42, H2O : 16.78, Na2O : 1.18, K2O : 0.55, CaO : 0.99, FeO : 0.46, Mn2O3 : 0.50 (Ref: Dana, 7th ed. 2) |
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Strunz 9th edition incl. updates |
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8: Phosphate, Arsenate, Vanadate |
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Lapis Classification |
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VII: PHOSPHATE, ARSENATE UND VANADATE ("Phosphate" des Registers immer einschließlich isotyper Arsenate und Vanadate!) |
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Classification by Hölzel |
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8: PHOSPHATES ARSENATES VANADATES |
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Dana 8th edition |
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42: Hydrated Phosphates, etc., Containing Hydroxyl or Halogen |
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IMA status |
Erstbeschreibung vor CNMNC-Gründung (1959), als Mineral meist anerkannt |
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Mineral status |
anerkanntes Mineral |
IMA Classification
IMA Classification |
Akrochordite group |
Optical Properties
Crystallography
Crystal Structure 3D
Open larger view |
Physical Properties
3.5 |
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130 (ungefähre Angabe abgeleitet aus der Mohshärte) |
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3.19 - 3.26 / Durchschnittlich = 3.22 |
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3.257 ( ρ calc. Mineralienatlas ) |
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Instability |
+++ H2SO4 |
(Co-)Type locality
(Co-)Type locality |
Schweden/Värmland, Provinz/Filipstad, Gemeinde/Långban, Distrikt/Långban Fe-Mn-(Ba-As-Pb-Sb) Lagerstätte |
Preface
Author (Name, Year) |
Flink, 1922 |
IMA group assignments
Refresh list | Actuality: 22. Mar 2024 - 04:15:29 |
Other languages
Spanish |
Acrocordita |
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German |
Akrochordit |
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English |
Akrochordite |
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French |
Akrochordite |
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Russian |
Акрохордит |
Alternative Name
Achrochordit |
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Achrochordita |
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Achrochordite |
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Acrochordit |
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Acrochordita |
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Acrochordite |
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Akrochordita |
CNMNC symbol
Symbol |
Akr |
Automatic Links to external internet sources (Responsibility is with the operator)
Mineral Dealer
Locations with GPS information
IDs
GUSID (Global unique identifier short form) | tptJIFUNa0yGafgEob649w |
GUID (Global unique identifier) | 20499BB6-0D55-4C6B-8669-F804A1BEB8F7 |
Database ID | 42 |