This is simply a placeholder page while I collect data. This mineral was just recently discovered on Luna so there’s not much info on it.

Composition – CaAl4Si2O11 [1]

Found in the feldspatic lunar meteorite Oued Awlitis 001 [1]

High-pressure Ca-Al-silicate [1]

“On the Moon, donwilhelmsite can form from the primordial feldspathic crust during impact cratering events.” [1]


  1. Donwilhelmsite, [CaAl4Si2O11], a new lunar high-pressure Ca-Al-silicate with relevance for subducted terrestrial sediments (

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