Segerstromite, Ca 3 (As 5+ O 4 ) 2 [As 3+ (OH) 3 ] 2 , the first mineral containing As 3+ (OH) 3 , the arsenite molecule, from the Cobriza mine in the Atacama Region, Chile

Raygrantite, Pb 10 Zn(SO 4 ) 6 (SiO 4 ) 2 (OH) 2 , a New Mineral Isostructural with Iranite, from the Big Horn Mountains, Maricopa County, Arizona, Usa

Te-rich raspite, Pb(W 0.56 Te 0.44 )O 4 , from Tombstone, Arizona, U.S.A.: The first natural example of Te 6+ substitution for W 6+

Rongibbsite, Pb 2 (Si 4 Al)O 11 (OH), a new zeolitic aluminosilicate mineral with an interrupted framework from Maricopa County, Arizona, U.S.A.

THE CRYSTAL STRUCTURE OF VLADIMIRITE, WITH A REVISED CHEMICAL FORMULA, Ca 4 (AsO 4 ) 2 (AsO 3 OH)·4H 2 O

RRUFFITE, Ca 2 Cu(AsO 4 ) 2 ·2H 2 O, A NEW MEMBER OF THE ROSELITE GROUP, FROM TIERRA AMARILLA, CHILE

Phosphohedyphane, Ca 2 Pb 3 (PO 4 ) 3 Cl, the phosphate analog of hedyphane: Description and crystal structure