Ralstonite Mineral Gallery

Ralstonite Mineral Gallery
Search Webmineral :
   
Home Crystal jmol jPOWD Chem X Ray Dana Strunz Properties A to Z Images Share
      News Help About

Advertisment
Our Mission is Simple: RMS will be the go-to portal for all mineral, gem and rock shows in the USA
 Weinrich Minerals, A Dealer in Fine Mineral Specimens - Since 1989. We buy collections and single high quality specimens.
 McDougall Minerals sells high-quality mineral specimens from all over the world to collectors of all levels, from beginners to connoisseurs
 Hudson Institute of Mineralogy

Ralstonite Minerals

Click on thumbnails for a larger image. Please be patient since some of these pages of thumbnail images take some time to load. These mineral photos are copyrighted by their owners and may not be used without permission.

Ralstonite Mineral Gallery With 2 Images

Ralstonite Image

Click Here for Larger Image in New Browser Window Images:
Click Here for Larger Image

Ralstonite: NaxMgxAl2-x(F,OH)6·(H2O)  
Cryolite: Na3AlF6

Comments: Massive cryolite with solution cavities lined with octahedral ralstonite crystals.
Location: Ivigtut, Greenland. Scale: Picture size 0.5 cm.
© John Veevaert

Ralstonite Image

Click Here for Larger Image in New Browser Window Images:
Click Here for Larger Image

Ralstonite: NaxMgxAl2-x(F,OH)6·(H2O)  
Gjerdingenite-Fe: K2[(H2O)2(Fe,Mn)][(Nb,Ti)4(Si4O12)2(O,OH)4]·4(H2O)

Comments: SEM photomicrograph of gjerdingenite-Fe. The mineral is dusted with tiny crystals of two phases. At high magnification, one of them is seen to form cubes and is probably ralstonite.
Location: Gjerdingselva, Lunner, Oppland, Oslo Region, Norway. Scale: Crystal length 0.5 mm.
© Canadian Mineralogist
Advertisment