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R141101

Al_4+2xSi_2-2xO_10-x (x ≈ 0.4)

Ch. and H. Schäfer

Caspar quarry, Bellerberg volcano, Mayen, Eifel, Germany

R141103

Al_4+2xSi_2-2xO_10-x (x ≈ 0.4)

Ch. and H. Schäfer

Weinberg, Nickenich, Eifel, Germany

R150147

Al_4+2xSi_2-2xO_10-x (x ≈ 0.4)

Nicolas Bost, Portion of a sample from the Musée de Minéralogie MINES Paristech, Paris, France, #

Northwest of Ormsaig, Ross of Mull, Scotland

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3 Records Found

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