Rossmanite

Click here to view Best Minerals and here for Tourmaline group minerals, here for Chromium-dravite, here for Chromo-alumino-povondraite, here for Dravite, here for Elbaite, Afghanistan to Nigeria, here for Elbaite, Pakistan to Zambia here for Feruvite, here for Fluor Buergerite here for Fluor-dravite, here for Fluor-elbaite, here for Fluor-feruvite, here for Fluor-liddicoatite, here for Fluor-schorl, here for Foitite, here for Liddicoatite, here for Luinaite-(OH), here for Magnesiofoitite, here for Olenite, here for Oxy-dravite, here for Oxy-rossmanite, here for Oxy-schorl, here for Povondraite, here for Rossmanite, here for Schorl, here for Tsilaisite and here for Vanadium-dravite. Click here for Best Minerals T and here for Best Minerals A to Z and here for Fast Navigation of completed Best Minerals articles.



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Rossmanite: Trigonal, Vacancy-dominant member: Identification only possible with quantitative chemical analysis and/or crystal-structure refinement.
☐(LiAl₂)Al₆(Si₆O₁₈)(BO₃)₃(OH)₃(OH)



The above picture above is a tourmaline containing rossmanite in its center grading down to elbaite and up to a cap of foitite

There are 30 localities listed on Mindat for rossmanite. The type locality for rossmanite is Rožná (Rozna; Roschna) pegmatite, Žďár nad Sázavou, Vysočina Region, Moravia (Mähren; Maehren), Czech Republic


Canada, Manitoba, Lac-du-Bonnet area, Bernic Lake, Tanco Mine (Bernic Lake Mine)

Rossmanite	© JZL

The Tanco mine is a huge pegmatite and areas of the mine are able to produce hundreds of tons of this material which might be described as a rubellite granite. It would make attractive cutting rough if the mine management could be persuaded to mine some of it.


Italy, Tuscany, Livorno Province, Elba Island, Campo nell'Elba, San Piero in Campo, Grotta d'Oggi Quarry




UK, England, Cornwall, St Austell District, St Stephen-in-Brannel, Whitemoor, Dorothy China Clay Pit





Click here to view Best Minerals and here for Tourmaline group minerals, here for Chromium-dravite, here for Chromo-alumino-povondraite, here for Dravite, here for Elbaite, Afghanistan to Nigeria, here for Elbaite, Pakistan to Zambia here for Feruvite, here for Fluor Buergerite here for Fluor-dravite, here for Fluor-elbaite, here for Fluor-feruvite, here for Fluor-liddicoatite, here for Fluor-schorl, here for Foitite, here for Liddicoatite, here for Luinaite-(OH), here for Magnesiofoitite, here for Olenite, here for Oxy-dravite, here for Oxy-rossmanite, here for Oxy-schorl, here for Povondraite, here for Rossmanite, here for Schorl, here for Tsilaisite and here for Vanadium-dravite. Click here for Best Minerals T and here for Best Minerals A to Z and here for Fast Navigation of completed Best Minerals articles.

[The first draft of the Best Minerals rossmanite article was completed in May 2013]

Rock Currier
Crystals not pistols.



Edited 9 time(s). Last edit at 05/14/2013 09:57AM by Rock Currier.