Mineralienatlas - Fossilienatlas
Kotoite (Kotoit) |
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Kotoit (grau, massiv) mit Ludwigit (schwarz) Größe: 65x45x25 mm; Fundort: Nalednoe, Tas-Khayakhtakh-Gebirge, Jakutien, Russland Copyright: Pavel M. Kartashov; Contribution: Philip Blümner Location: Russland/Ferner Osten, Föderationskreis/Sacha (Sakha, Jakutien, Якутия), Republik/Tas-Khayakhtakh-Gebirge/Nalednoe Mineral: Kotoite, Ludwigite Image: 1243973945 License: Usage for Mineralienatlas project only |
Kotoit (grau, massiv) mit Ludwigit (schwarz) |
Größe: 65x45x25 mm; Fundort: Nalednoe, Tas-Khayakhtakh-Gebirge, Jakutien, Russland |
Copyright: | Pavel M. Kartashov |
Contribution: Philip Blümner 2009-06-02 |
Locality: Nalednoe / Tas-Khayakhtakh-Gebirge / Sacha (Sakha, Jakutien, Якутия), Republik / Ferner Osten, Föderationskreis / Russland |
Collectors Summary
Color | farblos |
Streak color | weiß |
Hardness (Mohs) | 6.5 |
Solubility | +++ Säuren |
Crystal System | orthorhombisch, Pnmn |
Chemism
Chemical formula |
Mg3B2O6 |
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Chemical composition |
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Analysis wt% |
MgO : 62.78, B2O3 : 35.20, SiO2 : 1.32, FeO : 0.61 (Ref: Min.Petr.Mitt.39) |
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Strunz 9th edition incl. updates |
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6: Borate |
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Lapis Classification |
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V: NITRATE, CARBONATE UND BORATE |
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Classification by Hölzel |
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6: Borates |
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Dana 8th edition |
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24: Borates - Anhydrous |
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IMA status |
Erstbeschreibung vor CNMNC-Gründung (1959), als Mineral meist anerkannt |
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Mineral status |
anerkanntes Mineral |
Optical Properties
Crystallography
Crystal Structure 3D
Open larger view |
Physical Properties
6.5 |
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960 (ungefähre Angabe abgeleitet aus der Mohshärte) |
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3.04 (gemessen) |
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3.097 ( ρ calc. Mineralienatlas ) |
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Instability |
+++ Säuren |
(Co-)Type locality
(Co-)Type locality |
Nordkorea/Hwanghae-pukto (Nord-Hwanghae), Provinz/Suan-gun/Hol Kol Mine (Holgol; Suan; Namjong)/Nord-Erzkörper |
Preface
Name from |
Bundjirô Kotô (1856-1935), japanischer Geologe und Petrograph an der Universität von Tokyo, der die Erzlagerstätten von Hol Kol, Nordkorea studierte. |
Author (Name, Year) |
Watanabe, 1939 |
Other languages
German |
Kotoit |
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French |
Kotoite |
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English |
Kotoite |
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Spanish |
Kotoíta |
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Russian |
Котоит |
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Simplified Chinese |
粒镁硼石 |
CNMNC symbol
Symbol |
Ko |
Automatic Links to external internet sources (Responsibility is with the operator)
Mineral Dealer
Locations with GPS information
IDs
GUSID (Global unique identifier short form) | l7b8_4sce06yUyNsWCsREw |
GUID (Global unique identifier) | FFFCB697-1C8B-4E7B-B253-236C582B1113 |
Database ID | 2043 |