Mineralienatlas - Fossilienatlas
Dravite |
Pictures (169 Images total)
Views (File: ): 55
Dravit und Anatas auf Adular Dravit mit Mohrenkopf und Anatas welcher starke Lösungsspuren auf weist, BB 1,76 mm, FO Teufelsmühle Habachtal Copyright: Bode; Contribution: Bode Collection: Bode Location: Österreich/Salzburg/Zell am See, Bezirk (Pinzgau)/Bramberg am Wildkogel/Habachtal/Leiterkogel/Teufelsmühle Mineral: Dravite Image: 1670863753 Rating: 10 (votes: 1) License: Usage for Mineralienatlas project only |
Dravit und Anatas auf Adular |
Dravit mit Mohrenkopf und Anatas welcher starke Lösungsspuren auf weist, BB 1,76 mm, FO Teufelsmühle Habachtal |
Collection: | Bode |
Copyright: | Bode |
Contribution: Bode 2022-12-12 |
Locality: Teufelsmühle / Leiterkogel / Habachtal / Bramberg am Wildkogel / Zell am See, Bezirk (Pinzgau) / Salzburg / Österreich |
Views (File: ): 3420, Rating: 9
Dravit ![]() Dravit-Kristall auf Dolomit; Fundort: Balmen, Binntal, Wallis, Schweiz; Bildbreite: 4,6 mm Copyright: guefz; Contribution: guefz Collection: guefz Location: Schweiz/Wallis, Kanton/Goms, Bezirk/Binn/Albrunhorn-Schinhorn-Gebiet/Bochtehorn (Bochtenhorn)/Balmen Mineral: Dravite Image: 1438960696 Rating: 9 (votes: 7) License: Usage for Mineralienatlas project only |
Dravit ![]() |
Dravit-Kristall auf Dolomit; Fundort: Balmen, Binntal, Wallis, Schweiz; Bildbreite: 4,6 mm |
Collection: | guefz |
Copyright: | guefz |
Contribution: guefz 2015-08-07 |
Locality: Balmen / Bochtehorn (Bochtenhorn) / Albrunhorn-Schinhorn-Gebiet / Binn / Goms, Bezirk / Wallis, Kanton / Schweiz |
Views (File: ): 1785, Rating: 8.83
Dravit Bildbreite etwa 3mm; kurzprismatischer Dravit-Kristall vom Schwarzenbach am Messerbach im Binntal, Wallis, Schweiz. Copyright: Klaus Schäfer; Contribution: Klaus Schäfer Collection: Klaus Schäfer, Collection number: Binn-SwB-Dravit-1-1-3 Location: Schweiz/Wallis, Kanton/Goms, Bezirk/Binn/Fäld (Imfeld, Im Feld)/Messerbach (Mässerbach)/Schwarzenbach Mineral: Dravite Image: 1462862668 Rating: 8.83 (votes: 6) License: Usage for Mineralienatlas project only |
Dravit (SNr: Binn-SwB-Dravit-1-1-3) |
Bildbreite etwa 3mm; kurzprismatischer Dravit-Kristall vom Schwarzenbach am Messerbach im Binntal, Wallis, Schweiz. |
Collection: | Klaus Schäfer |
Copyright: | Klaus Schäfer |
Contribution: Klaus Schäfer 2016-05-10 |
Locality: Schwarzenbach / Messerbach (Mässerbach) / Fäld (Imfeld, Im Feld) / Binn / Goms, Bezirk / Wallis, Kanton / Schweiz |
Views (File: ): 5035
Dravit Größe: 1,84 mm; Fundort: Marmorbruch Crevola d'Ossola, Val d'Ossola, Piemont, Italien Copyright: Matteo Chinellato; Contribution: Hg Collection: Domenico Preite Location: Italien/Piemont (Piemonte), Region/Verbano-Cusio-Ossola, Provinz/Ossola, Valle (Tal)/Crevola d'Ossola (Marmorbruch) Mineral: Dravite Image: 1283764280 Rating: 9 (votes: 3) License: Usage for Mineralienatlas project only |
Dravit |
Größe: 1,84 mm; Fundort: Marmorbruch Crevola d'Ossola, Val d'Ossola, Piemont, Italien |
Collection: | Domenico Preite |
Copyright: | Matteo Chinellato |
Contribution: Hg 2010-09-06 |
Locality: Crevola d'Ossola (Marmorbruch) / Ossola, Valle (Tal) / Verbano-Cusio-Ossola, Provinz / Piemont (Piemonte), Region / Italien |
Views (File: ): 2239
Dravit Kristallgröße: 3 mm; Fundort: Cava di Laghetto, Cuasso al Monte, Provinz Varese, Lombardei, Italien Copyright: Enrico Bonacina; Contribution: slugslayer Collection: Enrico Bonacina Location: Italien/Lombardei (Lombardia), Region/Varese, Provinz/Cuasso al Monte/Cavagnano/Cava Laghetto Mineral: Dravite Image: 1290456538 Rating: 8.67 (votes: 3) License: Usage for Mineralienatlas project only |
Dravit |
Kristallgröße: 3 mm; Fundort: Cava di Laghetto, Cuasso al Monte, Provinz Varese, Lombardei, Italien |
Collection: | Enrico Bonacina |
Copyright: | Enrico Bonacina |
Contribution: slugslayer 2010-11-22 |
Locality: Cava Laghetto / Cavagnano / Cuasso al Monte / Varese, Provinz / Lombardei (Lombardia), Region / Italien |
Views (File: ): 1041
Dravit Bildhöhe etwa 4,5 mm; zweifarbige prismatische Dravit-Kristalle von der Mineraliengrube Lengenbach, Binntal, Wallis, Schweiz. Copyright: Klaus Schäfer; Contribution: Klaus Schäfer Collection: Klaus Schäfer, Collection number: Len-Drav-1-1-2 Location: Schweiz/Wallis, Kanton/Goms, Bezirk/Binn/Fäld (Imfeld, Im Feld)/Grube Lengenbach Mineral: Dravite Image: 1461520344 Rating: 8.67 (votes: 3) License: Usage for Mineralienatlas project only |
Dravit (SNr: Len-Drav-1-1-2) |
Bildhöhe etwa 4,5 mm; zweifarbige prismatische Dravit-Kristalle von der Mineraliengrube Lengenbach, Binntal, Wallis, Schweiz. |
Collection: | Klaus Schäfer |
Copyright: | Klaus Schäfer |
Contribution: Klaus Schäfer 2016-04-24 |
Locality: Grube Lengenbach / Fäld (Imfeld, Im Feld) / Binn / Goms, Bezirk / Wallis, Kanton / Schweiz |
Collectors Summary
Color | schwarz, schwarzbraun, braun, gelb, orange, grünlich, bläulich |
Streak color | farblos |
Lustre | Glasglanz |
Hardness (Mohs) | 7 - 7.5 |
Solubility | + HF |
Crystal System | trigonal, R3m |
Chemism
Chemical formula |
NaMg3Al6(BO3)3Si6O18(OH)4 |
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Chemical composition |
Aluminium, Magnesium, Natrium, Silicium, Bor, Sauerstoff, Wasserstoff |
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Analysis wt% |
SiO2 : 34.01, B2O3 : 10.06, Al2O3 : 29.93, Fe2O3 : 1.65, FeO : 5.25, MgO : 9.92, CaO : 3.05, Na2O : 1.68, H2O : 4.25 (Ref: Mineralogical Magazine 77) |
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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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VIII: SILIKATE |
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Classification by Hölzel |
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9: SILICATES |
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Dana 8th edition |
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61: Cyclosilicates Cyclosilicate Six-Membered Rings |
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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 |
Tourmaline supergroup ⇒ Alkali-Tourmaline group ⇒ Tourmaline Alkali-subgroup 1 |
Optical Properties
Optical Data Luminescence
Color SW-UV (254nm) |
  orangegelb |
SW-UV Other Colors |
  gelblich |
Afterglow (Persistant Luminescence) |
keine Daten |
Crystallography
Crystals 3D
Open larger view |
Crystal Structure 3D
Open larger view |
Physical Properties
7 - 7.5 |
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1300 (ungefähre Angabe abgeleitet aus der Mohshärte) |
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2.98 - 3.2 / Durchschnittlich = 3.09 |
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2.999 ( ρ calc. Mineralienatlas ) |
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Instability |
+ HF |
(Co-)Type locality
(Co-)Type locality |
Preface
Name from |
dem Fluss Drave, Synonym für Drau |
Author (Name, Year) |
Tschermak, 1883 |
References
IMA group assignments
Other languages
German |
Dravit |
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Spanish |
Dravita |
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French |
Dravite |
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English |
Dravite |
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Russian |
Дравит |
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Japanese |
苦土電気石 |
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Traditional Chinese |
鎂電氣石 |
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Simplified Chinese |
镁电气石 |
Alternative Name
German |
Coronit |
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Spanish |
Coronita |
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Coronite |
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Coronite (of Hunt) |
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German |
Gouvernerit |
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German |
Gouverneurit |
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Spanish |
Gouverneurita |
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English |
Gouverneurite |
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English |
Magnodravite |
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Mg-Turmalin |
CNMNC symbol
Symbol |
Drv |
Automatic Links to external internet sources (Responsibility is with the operator)
Mineral Dealer
Locations with GPS information
IDs
GUSID (Global unique identifier short form) | dYUkLYNsjk2OuVvU25Zsyw |
GUID (Global unique identifier) | 2D248575-6C83-4D8E-8EB9-5BD4DB966CCB |
Database ID | 966 |