Crystal Chemistry of Zemannite-Type Structures: III. Keystoneite, the Ni 2+ -Analogue of Zemannite, and Ferrotellurite Discredited Available to Purchase

Yangite, PbMnSi 3 O 8 ·H 2 O, a new mineral species with double wollastonite silicate chains, from the Kombat mine, Namibia Available to Purchase

CAMERONITE, Cu 5− x (Cu,Ag) 3+ x Te 10 ( x = 0.43), FROM THE GOOD HOPE MINE, VULCAN, COLORADO: CRYSTAL STRUCTURE AND REVISION OF THE CHEMICAL FORMULA Available to Purchase

Lavinskyite, K(LiCu)Cu 6 (Si 4 O 11 ) 2 (OH) 4 , isotypic with plancheite, a new mineral from the Wessels mine, Kalahari Manganese Fields, South Africa Available to Purchase

Carlfrancisite: Mn 3 2+ (Mn 2+ ,Mg,Fe 3+ ,Al) 42 (As 3+ O 3 ) 2 (As 5+ O 4 ) 4 [(Si,As 5+ )O 4 ] 6 [(As 5+ ,Si)O 4 ] 2 (OH) 42 , a new arseno-silicate mineral from the Kombat mine, Otavi Valley, Namibia Available to Purchase

Terrywallaceite, AgPb(Sb,Bi) 3 S 6 , isotypic with gustavite, a new mineral from Mina Herminia, Julcani Mining District, Huancavelica, Peru Available to Purchase

Scottyite, the natural analog of synthetic BaCu 2 Si 2 O 7 , a new mineral from the Wessels mine, Kalahari Manganese Fields, South Africa Available to Purchase

The crystal structure of bartelkeite, with a revised chemical formula, PbFeGe VI (Ge 2 IV O 7 )(OH) 2 ·H 2 O, isotypic with high-pressure P 2 1 / m lawsonite Available to Purchase

The crystal structures and Raman spectra of aravaipaite and calcioaravaipaite Available to Purchase

The crystal structure of esperite, with a revised chemical formula, PbCa 2 (ZnSiO 4 ) 3 , isostructural with beryllonite Available to Purchase

Crystal structure of argentopyrite, AgFe 2 S 3 , and its relationship with cubanite Available to Purchase

POTASSIC-CARPHOLITE, A NEW MINERAL SPECIES FROM THE SAWTOOTH BATHOLITH, BOISE COUNTY, IDAHO, U.S.A. Available to Purchase

A restudy of magnolite, Hg (super 1+) 2 Te (super 4+) O 3 , from Colorado Available to Purchase

Cameronite, a new copper-silver telluride from the Good Hope Mine, Vulcan, Colorado Available to Purchase