Farbe: orange, rosabraun
Strichfarbe: rötlichbraun
Glanz: Wachsglanz Referenzen: Cámara, F., Ciriotti, M.E., Bittarello, E., Nestola, F., Bellatreccia, F., Massimi, F., Radica, F., Costa, E., Benna, P. und Piccoli, G.C. (2013) Grandaite, IMA 2013-059. CNMNC Newsletter No. 18, December 2013, page 3250; Mineralogical Magazine, 77, 3249-3258.
F. Cámara, M. E. Ciriotti, E. Bittarello, F. Nestola, F. Massimi, F. Radica, E. Costa, P. Benna, G. C. Piccoli: Arsenic-bearing new mineral species from Valletta mine, Maira Valley, Piedmont, Italy: I. Grandaite, Sr2Al(AsO4)2(OH), description and crystal structure. Mineralogical Magazine Vol. 78, Nr. 3 (2014) S. 757-774.
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