Mineralienatlas - Fossilienatlas
Wightmanite (Wightmanit) |
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Wightmanit beige, stengelige Aggreagte von Wightmanit, Crestmore Steinbrüche, Riverside County, Kalifornien, USA; BB ~ 1 cm Copyright: MinTreasure.com (Carsten Slotta); Contribution: openpit Location: USA/Kalifornien (California)/Riverside Co./Crestmore/Crestmore Quarries Mineral: Wightmanite Image: 1591731794 Rating: 7 (votes: 1) License: Usage for Mineralienatlas project only |
Wightmanit |
beige, stengelige Aggreagte von Wightmanit, Crestmore Steinbrüche, Riverside County, Kalifornien, USA; BB 1 cm |
Copyright: | MinTreasure.com (Carsten Slotta) |
Contribution: openpit 2020-06-09 |
Locality: Crestmore Quarries / Crestmore / Riverside Co. / Kalifornien (California) / USA |
Collectors Summary
Color | farblos |
Streak color | weiß |
Hardness (Mohs) | 5.5 |
Solubility | ++ Säuren |
Crystal System | monoklin, I2/m |
Chemism
Chemical formula |
Mg5(BO3)O(OH)5·2H2O |
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Chemical composition |
Magnesium, Bor, Sauerstoff, Wasserstoff |
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Analysis wt% |
B2O3 : 12.20, MgO : 57.80, FeO : 2.20, Al2O3 : 2.10, CaO : 2.70, H2O : 21.50, Cl : 0.94, F : 1.80 (Ref: American Mineralogist 62) |
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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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26: Hydrated Borates Containing Hydroxyl or Halogen |
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IMA status |
Anerkannt von der CNMNC |
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Mineral status |
anerkanntes Mineral |
Optical Properties
Optical Data Luminescence
Color LW-UV (365nm) |
  gelbbraun |
Color SW-UV (254nm) |
  gelbbraun |
SW-UV Other Colors |
  blau |
Afterglow (Persistant Luminescence) |
keine Daten |
Crystallography
Crystals 3D
Open larger view |
Crystal Structure 3D
Open larger view |
Physical Properties
5.5 |
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530 (ungefähre Angabe abgeleitet aus der Mohshärte) |
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2.60 (gemessen) |
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2.78 ( ρ calc. Mineralienatlas ) |
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Instability |
++ Säuren |
(Co-)Type locality
(Co-)Type locality |
USA/Kalifornien (California)/Riverside Co./Crestmore/Crestmore Quarries |
Preface
Author (Name, Year) |
Murdoch, 1962 |
Other languages
German |
Wightmanit |
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Spanish |
Wightmanita |
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English |
Wightmanite |
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French |
Wightmanite |
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Simplified Chinese |
韦氏硼镁石 |
CNMNC symbol
Symbol |
Wmn |
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